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<div class="title">kdirwatch.cpp</div>  </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// -*- c-basic-offset: 2 -*-</span>
<a name="l00002"></a>00002 <span class="comment">/* This file is part of the KDE libraries</span>
<a name="l00003"></a>00003 <span class="comment">   Copyright (C) 1998 Sven Radej &lt;sven@lisa.exp.univie.ac.at&gt;</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment">   This library is free software; you can redistribute it and/or</span>
<a name="l00006"></a>00006 <span class="comment">   modify it under the terms of the GNU Library General Public</span>
<a name="l00007"></a>00007 <span class="comment">   License version 2 as published by the Free Software Foundation.</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment">   This library is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment">   but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment">   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</span>
<a name="l00012"></a>00012 <span class="comment">   Library General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment">   You should have received a copy of the GNU Library General Public License</span>
<a name="l00015"></a>00015 <span class="comment">   along with this library; see the file COPYING.LIB.  If not, write to</span>
<a name="l00016"></a>00016 <span class="comment">   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00017"></a>00017 <span class="comment">   Boston, MA 02110-1301, USA.</span>
<a name="l00018"></a>00018 <span class="comment">*/</span>
<a name="l00019"></a>00019 
<a name="l00020"></a>00020 
<a name="l00021"></a>00021 <span class="comment">// CHANGES:</span>
<a name="l00022"></a>00022 <span class="comment">// Oct 4,  2005 - Inotify support (Dirk Mueller)</span>
<a name="l00023"></a>00023 <span class="comment">// Februar 2002 - Add file watching and remote mount check for STAT</span>
<a name="l00024"></a>00024 <span class="comment">// Mar 30, 2001 - Native support for Linux dir change notification.</span>
<a name="l00025"></a>00025 <span class="comment">// Jan 28, 2000 - Usage of FAM service on IRIX (Josef.Weidendorfer@in.tum.de)</span>
<a name="l00026"></a>00026 <span class="comment">// May 24. 1998 - List of times introduced, and some bugs are fixed. (sven)</span>
<a name="l00027"></a>00027 <span class="comment">// May 23. 1998 - Removed static pointer - you can have more instances.</span>
<a name="l00028"></a>00028 <span class="comment">// It was Needed for KRegistry. KDirWatch now emits signals and doesn&#39;t</span>
<a name="l00029"></a>00029 <span class="comment">// call (or need) KFM. No more URL&#39;s - just plain paths. (sven)</span>
<a name="l00030"></a>00030 <span class="comment">// Mar 29. 1998 - added docs, stop/restart for particular Dirs and</span>
<a name="l00031"></a>00031 <span class="comment">// deep copies for list of dirs. (sven)</span>
<a name="l00032"></a>00032 <span class="comment">// Mar 28. 1998 - Created.  (sven)</span>
<a name="l00033"></a>00033 
<a name="l00034"></a>00034 
<a name="l00035"></a>00035 <span class="preprocessor">#include &lt;config.h&gt;</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include &lt;errno.h&gt;</span>
<a name="l00037"></a>00037 
<a name="l00038"></a>00038 <span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span><span class="preprocessor">#include &lt;unistd.h&gt;</span>
<a name="l00040"></a>00040 <span class="preprocessor">#include &lt;time.h&gt;</span>
<a name="l00041"></a>00041 <span class="preprocessor">#include &lt;fcntl.h&gt;</span>
<a name="l00042"></a>00042 <span class="preprocessor">#include &lt;signal.h&gt;</span>
<a name="l00043"></a>00043 <span class="preprocessor">#include &lt;errno.h&gt;</span>
<a name="l00044"></a>00044 <span class="preprocessor">#endif</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span>
<a name="l00046"></a>00046 
<a name="l00047"></a>00047 <span class="preprocessor">#include &lt;sys/stat.h&gt;</span>
<a name="l00048"></a>00048 <span class="preprocessor">#include &lt;assert.h&gt;</span>
<a name="l00049"></a>00049 <span class="preprocessor">#include &lt;qdir.h&gt;</span>
<a name="l00050"></a>00050 <span class="preprocessor">#include &lt;qfile.h&gt;</span>
<a name="l00051"></a>00051 <span class="preprocessor">#include &lt;qintdict.h&gt;</span>
<a name="l00052"></a>00052 <span class="preprocessor">#include &lt;qptrlist.h&gt;</span>
<a name="l00053"></a>00053 <span class="preprocessor">#include &lt;qsocketnotifier.h&gt;</span>
<a name="l00054"></a>00054 <span class="preprocessor">#include &lt;qstringlist.h&gt;</span>
<a name="l00055"></a>00055 <span class="preprocessor">#include &lt;qtimer.h&gt;</span>
<a name="l00056"></a>00056 
<a name="l00057"></a>00057 <span class="preprocessor">#include &lt;kapplication.h&gt;</span>
<a name="l00058"></a>00058 <span class="preprocessor">#include &lt;kdebug.h&gt;</span>
<a name="l00059"></a>00059 <span class="preprocessor">#include &lt;kconfig.h&gt;</span>
<a name="l00060"></a>00060 <span class="preprocessor">#include &lt;kglobal.h&gt;</span>
<a name="l00061"></a>00061 <span class="preprocessor">#include &lt;kstaticdeleter.h&gt;</span>
<a name="l00062"></a>00062 <span class="preprocessor">#include &lt;kde_file.h&gt;</span>
<a name="l00063"></a>00063 
<a name="l00064"></a>00064 <span class="comment">// debug</span>
<a name="l00065"></a>00065 <span class="preprocessor">#include &lt;sys/ioctl.h&gt;</span>
<a name="l00066"></a>00066 
<a name="l00067"></a>00067 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l00068"></a>00068 <span class="preprocessor"></span><span class="preprocessor">#include &lt;unistd.h&gt;</span>
<a name="l00069"></a>00069 <span class="preprocessor">#include &lt;fcntl.h&gt;</span>
<a name="l00070"></a>00070 <span class="preprocessor">#include &lt;sys/inotify.h&gt;</span>
<a name="l00071"></a>00071 
<a name="l00072"></a>00072 <span class="preprocessor">#ifndef  IN_ONLYDIR</span>
<a name="l00073"></a>00073 <span class="preprocessor"></span><span class="preprocessor">#define  IN_ONLYDIR 0x01000000 </span>
<a name="l00074"></a>00074 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00075"></a>00075 <span class="preprocessor"></span>
<a name="l00076"></a>00076 <span class="preprocessor">#ifndef IN_DONT_FOLLOW</span>
<a name="l00077"></a>00077 <span class="preprocessor"></span><span class="preprocessor">#define IN_DONT_FOLLOW 0x02000000</span>
<a name="l00078"></a>00078 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00079"></a>00079 <span class="preprocessor"></span>
<a name="l00080"></a>00080 <span class="preprocessor">#ifndef IN_MOVE_SELF</span>
<a name="l00081"></a>00081 <span class="preprocessor"></span><span class="preprocessor">#define IN_MOVE_SELF 0x00000800</span>
<a name="l00082"></a>00082 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00083"></a>00083 <span class="preprocessor"></span>
<a name="l00084"></a>00084 <span class="preprocessor">#endif</span>
<a name="l00085"></a>00085 <span class="preprocessor"></span>
<a name="l00086"></a>00086 <span class="preprocessor">#include &lt;sys/utsname.h&gt;</span>
<a name="l00087"></a>00087 
<a name="l00088"></a>00088 <span class="preprocessor">#include &quot;kdirwatch.h&quot;</span>
<a name="l00089"></a>00089 <span class="preprocessor">#include &quot;kdirwatch_p.h&quot;</span>
<a name="l00090"></a>00090 <span class="preprocessor">#include &quot;global.h&quot;</span> <span class="comment">//  KIO::probably_slow_mounted</span>
<a name="l00091"></a>00091 
<a name="l00092"></a>00092 <span class="preprocessor">#define NO_NOTIFY (time_t) 0</span>
<a name="l00093"></a>00093 <span class="preprocessor"></span>
<a name="l00094"></a>00094 <span class="keyword">static</span> KDirWatchPrivate* dwp_self = 0;
<a name="l00095"></a>00095 
<a name="l00096"></a>00096 <span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l00097"></a>00097 <span class="preprocessor"></span>
<a name="l00098"></a>00098 <span class="keyword">static</span> <span class="keywordtype">int</span> dnotify_signal = 0;
<a name="l00099"></a>00099 
<a name="l00100"></a>00100 <span class="comment">/* DNOTIFY signal handler</span>
<a name="l00101"></a>00101 <span class="comment"> *</span>
<a name="l00102"></a>00102 <span class="comment"> * As this is called asynchronously, only a flag is set and</span>
<a name="l00103"></a>00103 <span class="comment"> * a rescan is requested.</span>
<a name="l00104"></a>00104 <span class="comment"> * This is done by writing into a pipe to trigger a QSocketNotifier</span>
<a name="l00105"></a>00105 <span class="comment"> * watching on this pipe: a timer is started and after a timeout,</span>
<a name="l00106"></a>00106 <span class="comment"> * the rescan is done.</span>
<a name="l00107"></a>00107 <span class="comment"> */</span>
<a name="l00108"></a>00108 <span class="keywordtype">void</span> KDirWatchPrivate::dnotify_handler(<span class="keywordtype">int</span>, siginfo_t *si, <span class="keywordtype">void</span> *)
<a name="l00109"></a>00109 {
<a name="l00110"></a>00110   <span class="keywordflow">if</span> (!dwp_self) <span class="keywordflow">return</span>;
<a name="l00111"></a>00111 
<a name="l00112"></a>00112   <span class="comment">// write might change errno, we have to save it and restore it</span>
<a name="l00113"></a>00113   <span class="comment">// (Richard Stevens, Advanced programming in the Unix Environment)</span>
<a name="l00114"></a>00114   <span class="keywordtype">int</span> saved_errno = errno;
<a name="l00115"></a>00115 
<a name="l00116"></a>00116   Entry* e = dwp_self-&gt;fd_Entry.find(si-&gt;si_fd);
<a name="l00117"></a>00117 
<a name="l00118"></a>00118 <span class="comment">//  kdDebug(7001) &lt;&lt; &quot;DNOTIFY Handler: fd &quot; &lt;&lt; si-&gt;si_fd &lt;&lt; &quot; path &quot;</span>
<a name="l00119"></a>00119 <span class="comment">//      &lt;&lt; QString(e ? e-&gt;path:&quot;unknown&quot;) &lt;&lt; endl;</span>
<a name="l00120"></a>00120 
<a name="l00121"></a>00121   <span class="keywordflow">if</span>(e &amp;&amp; e-&gt;dn_fd == si-&gt;si_fd)
<a name="l00122"></a>00122     e-&gt;dirty = <span class="keyword">true</span>;
<a name="l00123"></a>00123 
<a name="l00124"></a>00124   <span class="keywordtype">char</span> c = 0;
<a name="l00125"></a>00125   write(dwp_self-&gt;mPipe[1], &amp;c, 1);
<a name="l00126"></a>00126   errno = saved_errno;
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128 
<a name="l00129"></a>00129 <span class="keyword">static</span> <span class="keyword">struct </span>sigaction old_sigio_act;
<a name="l00130"></a>00130 <span class="comment">/* DNOTIFY SIGIO signal handler</span>
<a name="l00131"></a>00131 <span class="comment"> *</span>
<a name="l00132"></a>00132 <span class="comment"> * When the kernel queue for the dnotify_signal overflows, a SIGIO is send.</span>
<a name="l00133"></a>00133 <span class="comment"> */</span>
<a name="l00134"></a>00134 <span class="keywordtype">void</span> KDirWatchPrivate::dnotify_sigio_handler(<span class="keywordtype">int</span> sig, siginfo_t *si, <span class="keywordtype">void</span> *p)
<a name="l00135"></a>00135 {
<a name="l00136"></a>00136   <span class="keywordflow">if</span> (dwp_self)
<a name="l00137"></a>00137   {
<a name="l00138"></a>00138     <span class="comment">// write might change errno, we have to save it and restore it</span>
<a name="l00139"></a>00139     <span class="comment">// (Richard Stevens, Advanced programming in the Unix Environment)</span>
<a name="l00140"></a>00140     <span class="keywordtype">int</span> saved_errno = errno;
<a name="l00141"></a>00141 
<a name="l00142"></a>00142     dwp_self-&gt;rescan_all = <span class="keyword">true</span>;
<a name="l00143"></a>00143     <span class="keywordtype">char</span> c = 0;
<a name="l00144"></a>00144     write(dwp_self-&gt;mPipe[1], &amp;c, 1);
<a name="l00145"></a>00145 
<a name="l00146"></a>00146     errno = saved_errno;
<a name="l00147"></a>00147   }
<a name="l00148"></a>00148 
<a name="l00149"></a>00149   <span class="comment">// Call previous signal handler</span>
<a name="l00150"></a>00150   <span class="keywordflow">if</span> (old_sigio_act.sa_flags &amp; SA_SIGINFO)
<a name="l00151"></a>00151   {
<a name="l00152"></a>00152     <span class="keywordflow">if</span> (old_sigio_act.sa_sigaction)
<a name="l00153"></a>00153       (*old_sigio_act.sa_sigaction)(sig, si, p);
<a name="l00154"></a>00154   }
<a name="l00155"></a>00155   <span class="keywordflow">else</span>
<a name="l00156"></a>00156   {
<a name="l00157"></a>00157     <span class="keywordflow">if</span> ((old_sigio_act.sa_handler != SIG_DFL) &amp;&amp;
<a name="l00158"></a>00158         (old_sigio_act.sa_handler != SIG_IGN))
<a name="l00159"></a>00159       (*old_sigio_act.sa_handler)(sig);
<a name="l00160"></a>00160   }
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162 <span class="preprocessor">#endif</span>
<a name="l00163"></a>00163 <span class="preprocessor"></span>
<a name="l00164"></a>00164 
<a name="l00165"></a>00165 <span class="comment">//</span>
<a name="l00166"></a>00166 <span class="comment">// Class KDirWatchPrivate (singleton)</span>
<a name="l00167"></a>00167 <span class="comment">//</span>
<a name="l00168"></a>00168 
<a name="l00169"></a>00169 <span class="comment">/* All entries (files/directories) to be watched in the</span>
<a name="l00170"></a>00170 <span class="comment"> * application (coming from multiple KDirWatch instances)</span>
<a name="l00171"></a>00171 <span class="comment"> * are registered in a single KDirWatchPrivate instance.</span>
<a name="l00172"></a>00172 <span class="comment"> *</span>
<a name="l00173"></a>00173 <span class="comment"> * At the moment, the following methods for file watching</span>
<a name="l00174"></a>00174 <span class="comment"> * are supported:</span>
<a name="l00175"></a>00175 <span class="comment"> * - Polling: All files to be watched are polled regularly</span>
<a name="l00176"></a>00176 <span class="comment"> *   using stat (more precise: QFileInfo.lastModified()).</span>
<a name="l00177"></a>00177 <span class="comment"> *   The polling frequency is determined from global kconfig</span>
<a name="l00178"></a>00178 <span class="comment"> *   settings, defaulting to 500 ms for local directories</span>
<a name="l00179"></a>00179 <span class="comment"> *   and 5000 ms for remote mounts</span>
<a name="l00180"></a>00180 <span class="comment"> * - FAM (File Alternation Monitor): first used on IRIX, SGI</span>
<a name="l00181"></a>00181 <span class="comment"> *   has ported this method to LINUX. It uses a kernel part</span>
<a name="l00182"></a>00182 <span class="comment"> *   (IMON, sending change events to /dev/imon) and a user</span>
<a name="l00183"></a>00183 <span class="comment"> *   level damon (fam), to which applications connect for</span>
<a name="l00184"></a>00184 <span class="comment"> *   notification of file changes. For NFS, the fam damon</span>
<a name="l00185"></a>00185 <span class="comment"> *   on the NFS server machine is used; if IMON is not built</span>
<a name="l00186"></a>00186 <span class="comment"> *   into the kernel, fam uses polling for local files.</span>
<a name="l00187"></a>00187 <span class="comment"> * - DNOTIFY: In late LINUX 2.3.x, directory notification was</span>
<a name="l00188"></a>00188 <span class="comment"> *   introduced. By opening a directory, you can request for</span>
<a name="l00189"></a>00189 <span class="comment"> *   UNIX signals to be sent to the process when a directory</span>
<a name="l00190"></a>00190 <span class="comment"> *   is changed.</span>
<a name="l00191"></a>00191 <span class="comment"> * - INOTIFY: In LINUX 2.6.13, inode change notification was</span>
<a name="l00192"></a>00192 <span class="comment"> *   introduced. You&#39;re now able to watch arbitrary inode&#39;s</span>
<a name="l00193"></a>00193 <span class="comment"> *   for changes, and even get notification when they&#39;re</span>
<a name="l00194"></a>00194 <span class="comment"> *   unmounted.</span>
<a name="l00195"></a>00195 <span class="comment"> */</span>
<a name="l00196"></a>00196 
<a name="l00197"></a>00197 KDirWatchPrivate::KDirWatchPrivate()
<a name="l00198"></a>00198   : rescan_timer(0, <span class="stringliteral">&quot;KDirWatchPrivate::rescan_timer&quot;</span>)
<a name="l00199"></a>00199 {
<a name="l00200"></a>00200   timer = <span class="keyword">new</span> <a class="codeRef" href="qtimer.html">QTimer</a>(<span class="keyword">this</span>, <span class="stringliteral">&quot;KDirWatchPrivate::timer&quot;</span>);
<a name="l00201"></a>00201   connect (timer, SIGNAL(timeout()), <span class="keyword">this</span>, SLOT(slotRescan()));
<a name="l00202"></a>00202   freq = 3600000; <span class="comment">// 1 hour as upper bound</span>
<a name="l00203"></a>00203   statEntries = 0;
<a name="l00204"></a>00204   delayRemove = <span class="keyword">false</span>;
<a name="l00205"></a>00205   m_ref = 0;
<a name="l00206"></a>00206 
<a name="l00207"></a>00207   KConfigGroup config(KGlobal::config(), <a class="codeRef" href="qcstring.html">QCString</a>(<span class="stringliteral">&quot;DirWatch&quot;</span>));
<a name="l00208"></a>00208   m_nfsPollInterval = config.readNumEntry(<span class="stringliteral">&quot;NFSPollInterval&quot;</span>, 5000);
<a name="l00209"></a>00209   m_PollInterval = config.readNumEntry(<span class="stringliteral">&quot;PollInterval&quot;</span>, 500);
<a name="l00210"></a>00210 
<a name="l00211"></a>00211   <a class="codeRef" href="qstring.html">QString</a> available(<span class="stringliteral">&quot;Stat&quot;</span>);
<a name="l00212"></a>00212 
<a name="l00213"></a>00213   <span class="comment">// used for FAM and DNOTIFY</span>
<a name="l00214"></a>00214   rescan_all = <span class="keyword">false</span>;
<a name="l00215"></a>00215   connect(&amp;rescan_timer, SIGNAL(timeout()), <span class="keyword">this</span>, SLOT(slotRescan()));
<a name="l00216"></a>00216 
<a name="l00217"></a>00217 <span class="preprocessor">#ifdef HAVE_FAM</span>
<a name="l00218"></a>00218 <span class="preprocessor"></span>  <span class="comment">// It&#39;s possible that FAM server can&#39;t be started</span>
<a name="l00219"></a>00219   <span class="keywordflow">if</span> (FAMOpen(&amp;fc) ==0) {
<a name="l00220"></a>00220     available += <span class="stringliteral">&quot;, FAM&quot;</span>;
<a name="l00221"></a>00221     use_fam=<span class="keyword">true</span>;
<a name="l00222"></a>00222     sn = <span class="keyword">new</span> <a class="codeRef" href="qsocketnotifier.html">QSocketNotifier</a>( FAMCONNECTION_GETFD(&amp;fc),
<a name="l00223"></a>00223                   QSocketNotifier::Read, <span class="keyword">this</span>);
<a name="l00224"></a>00224     connect( sn, SIGNAL(activated(<span class="keywordtype">int</span>)),
<a name="l00225"></a>00225          <span class="keyword">this</span>, SLOT(famEventReceived()) );
<a name="l00226"></a>00226   }
<a name="l00227"></a>00227   <span class="keywordflow">else</span> {
<a name="l00228"></a>00228     kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;Can&#39;t use FAM (fam daemon not running?)&quot;</span> &lt;&lt; endl;
<a name="l00229"></a>00229     use_fam=<span class="keyword">false</span>;
<a name="l00230"></a>00230   }
<a name="l00231"></a>00231 <span class="preprocessor">#endif</span>
<a name="l00232"></a>00232 <span class="preprocessor"></span>
<a name="l00233"></a>00233 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l00234"></a>00234 <span class="preprocessor"></span>  supports_inotify = <span class="keyword">true</span>;
<a name="l00235"></a>00235 
<a name="l00236"></a>00236   m_inotify_fd = inotify_init();
<a name="l00237"></a>00237 
<a name="l00238"></a>00238   <span class="keywordflow">if</span> ( m_inotify_fd &lt;= 0 ) {
<a name="l00239"></a>00239     kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;Can&#39;t use Inotify, kernel doesn&#39;t support it&quot;</span> &lt;&lt; endl;
<a name="l00240"></a>00240     supports_inotify = <span class="keyword">false</span>;
<a name="l00241"></a>00241   }
<a name="l00242"></a>00242 
<a name="l00243"></a>00243   {
<a name="l00244"></a>00244     <span class="keyword">struct </span>utsname uts;
<a name="l00245"></a>00245     <span class="keywordtype">int</span> major, minor, patch;
<a name="l00246"></a>00246     <span class="keywordflow">if</span> (uname(&amp;uts) &lt; 0)
<a name="l00247"></a>00247       supports_inotify = <span class="keyword">false</span>; <span class="comment">// *shrug*</span>
<a name="l00248"></a>00248     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (sscanf(uts.release, <span class="stringliteral">&quot;%d.%d.%d&quot;</span>, &amp;major, &amp;minor, &amp;patch) != 3)
<a name="l00249"></a>00249       supports_inotify = <span class="keyword">false</span>; <span class="comment">// *shrug*</span>
<a name="l00250"></a>00250     <span class="keywordflow">else</span> <span class="keywordflow">if</span>( major * 1000000 + minor * 1000 + patch &lt; 2006014 ) { <span class="comment">// &lt;2.6.14</span>
<a name="l00251"></a>00251       kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;Can&#39;t use INotify, Linux kernel too old&quot;</span> &lt;&lt; endl;
<a name="l00252"></a>00252       supports_inotify = <span class="keyword">false</span>;
<a name="l00253"></a>00253     }
<a name="l00254"></a>00254   }
<a name="l00255"></a>00255 
<a name="l00256"></a>00256   <span class="keywordflow">if</span> ( supports_inotify ) {
<a name="l00257"></a>00257     available += <span class="stringliteral">&quot;, Inotify&quot;</span>;
<a name="l00258"></a>00258     fcntl(m_inotify_fd, F_SETFD, FD_CLOEXEC);
<a name="l00259"></a>00259 
<a name="l00260"></a>00260     mSn = <span class="keyword">new</span> <a class="codeRef" href="qsocketnotifier.html">QSocketNotifier</a>( m_inotify_fd, QSocketNotifier::Read, <span class="keyword">this</span> );
<a name="l00261"></a>00261     connect( mSn, SIGNAL(activated( <span class="keywordtype">int</span> )), <span class="keyword">this</span>, SLOT( slotActivated() ) );
<a name="l00262"></a>00262   }
<a name="l00263"></a>00263 <span class="preprocessor">#endif</span>
<a name="l00264"></a>00264 <span class="preprocessor"></span>
<a name="l00265"></a>00265 <span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l00266"></a>00266 <span class="preprocessor"></span>
<a name="l00267"></a>00267   <span class="comment">// if we have inotify, disable dnotify.</span>
<a name="l00268"></a>00268 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l00269"></a>00269 <span class="preprocessor"></span>  supports_dnotify = !supports_inotify;
<a name="l00270"></a>00270 <span class="preprocessor">#else</span>
<a name="l00271"></a>00271 <span class="preprocessor"></span>  <span class="comment">// otherwise, not guilty until proven guilty.</span>
<a name="l00272"></a>00272   supports_dnotify = <span class="keyword">true</span>;
<a name="l00273"></a>00273 <span class="preprocessor">#endif</span>
<a name="l00274"></a>00274 <span class="preprocessor"></span>
<a name="l00275"></a>00275   <span class="keyword">struct </span>utsname uts;
<a name="l00276"></a>00276   <span class="keywordtype">int</span> major, minor, patch;
<a name="l00277"></a>00277   <span class="keywordflow">if</span> (uname(&amp;uts) &lt; 0)
<a name="l00278"></a>00278     supports_dnotify = <span class="keyword">false</span>; <span class="comment">// *shrug*</span>
<a name="l00279"></a>00279   <span class="keywordflow">else</span> <span class="keywordflow">if</span> (sscanf(uts.release, <span class="stringliteral">&quot;%d.%d.%d&quot;</span>, &amp;major, &amp;minor, &amp;patch) != 3)
<a name="l00280"></a>00280     supports_dnotify = <span class="keyword">false</span>; <span class="comment">// *shrug*</span>
<a name="l00281"></a>00281   <span class="keywordflow">else</span> <span class="keywordflow">if</span>( major * 1000000 + minor * 1000 + patch &lt; 2004019 ) { <span class="comment">// &lt;2.4.19</span>
<a name="l00282"></a>00282     kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;Can&#39;t use DNotify, Linux kernel too old&quot;</span> &lt;&lt; endl;
<a name="l00283"></a>00283     supports_dnotify = <span class="keyword">false</span>;
<a name="l00284"></a>00284   }
<a name="l00285"></a>00285 
<a name="l00286"></a>00286   <span class="keywordflow">if</span>( supports_dnotify ) {
<a name="l00287"></a>00287     available += <span class="stringliteral">&quot;, DNotify&quot;</span>;
<a name="l00288"></a>00288 
<a name="l00289"></a>00289     pipe(mPipe);
<a name="l00290"></a>00290     fcntl(mPipe[0], F_SETFD, FD_CLOEXEC);
<a name="l00291"></a>00291     fcntl(mPipe[1], F_SETFD, FD_CLOEXEC);
<a name="l00292"></a>00292     fcntl(mPipe[0], F_SETFL, O_NONBLOCK | fcntl(mPipe[0], F_GETFL));
<a name="l00293"></a>00293     fcntl(mPipe[1], F_SETFL, O_NONBLOCK | fcntl(mPipe[1], F_GETFL));
<a name="l00294"></a>00294     mSn = <span class="keyword">new</span> <a class="codeRef" href="qsocketnotifier.html">QSocketNotifier</a>( mPipe[0], QSocketNotifier::Read, <span class="keyword">this</span>);
<a name="l00295"></a>00295     connect(mSn, SIGNAL(activated(<span class="keywordtype">int</span>)), <span class="keyword">this</span>, SLOT(slotActivated()));
<a name="l00296"></a>00296     <span class="comment">// Install the signal handler only once</span>
<a name="l00297"></a>00297     <span class="keywordflow">if</span> ( dnotify_signal == 0 )
<a name="l00298"></a>00298     {
<a name="l00299"></a>00299        dnotify_signal = SIGRTMIN + 8;
<a name="l00300"></a>00300 
<a name="l00301"></a>00301        <span class="keyword">struct </span>sigaction act;
<a name="l00302"></a>00302        act.sa_sigaction = KDirWatchPrivate::dnotify_handler;
<a name="l00303"></a>00303        sigemptyset(&amp;act.sa_mask);
<a name="l00304"></a>00304        act.sa_flags = SA_SIGINFO;
<a name="l00305"></a>00305 <span class="preprocessor">#ifdef SA_RESTART</span>
<a name="l00306"></a>00306 <span class="preprocessor"></span>       act.sa_flags |= SA_RESTART;
<a name="l00307"></a>00307 <span class="preprocessor">#endif</span>
<a name="l00308"></a>00308 <span class="preprocessor"></span>       sigaction(dnotify_signal, &amp;act, NULL);
<a name="l00309"></a>00309 
<a name="l00310"></a>00310        act.sa_sigaction = KDirWatchPrivate::dnotify_sigio_handler;
<a name="l00311"></a>00311        sigaction(SIGIO, &amp;act, &amp;old_sigio_act);
<a name="l00312"></a>00312     }
<a name="l00313"></a>00313   }
<a name="l00314"></a>00314   <span class="keywordflow">else</span>
<a name="l00315"></a>00315   {
<a name="l00316"></a>00316     mPipe[0] = -1;
<a name="l00317"></a>00317     mPipe[1] = -1;
<a name="l00318"></a>00318   }
<a name="l00319"></a>00319 <span class="preprocessor">#endif</span>
<a name="l00320"></a>00320 <span class="preprocessor"></span>
<a name="l00321"></a>00321   kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;Available methods: &quot;</span> &lt;&lt; available &lt;&lt; endl;
<a name="l00322"></a>00322 }
<a name="l00323"></a>00323 
<a name="l00324"></a>00324 <span class="comment">/* This is called on app exit (KStaticDeleter) */</span>
<a name="l00325"></a>00325 KDirWatchPrivate::~KDirWatchPrivate()
<a name="l00326"></a>00326 {
<a name="l00327"></a>00327   timer-&gt;stop();
<a name="l00328"></a>00328 
<a name="l00329"></a>00329   <span class="comment">/* remove all entries being watched */</span>
<a name="l00330"></a>00330   removeEntries(0);
<a name="l00331"></a>00331 
<a name="l00332"></a>00332 <span class="preprocessor">#ifdef HAVE_FAM</span>
<a name="l00333"></a>00333 <span class="preprocessor"></span>  <span class="keywordflow">if</span> (use_fam) {
<a name="l00334"></a>00334     FAMClose(&amp;fc);
<a name="l00335"></a>00335     kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;KDirWatch deleted (FAM closed)&quot;</span> &lt;&lt; endl;
<a name="l00336"></a>00336   }
<a name="l00337"></a>00337 <span class="preprocessor">#endif</span>
<a name="l00338"></a>00338 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l00339"></a>00339 <span class="preprocessor"></span>  <span class="keywordflow">if</span> ( supports_inotify )
<a name="l00340"></a>00340     ::close( m_inotify_fd );
<a name="l00341"></a>00341 <span class="preprocessor">#endif</span>
<a name="l00342"></a>00342 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l00343"></a>00343 <span class="preprocessor"></span>  close(mPipe[0]);
<a name="l00344"></a>00344   close(mPipe[1]);
<a name="l00345"></a>00345 <span class="preprocessor">#endif</span>
<a name="l00346"></a>00346 <span class="preprocessor"></span>}
<a name="l00347"></a>00347 
<a name="l00348"></a>00348 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>
<a name="l00349"></a>00349 
<a name="l00350"></a>00350 <span class="keywordtype">void</span> KDirWatchPrivate::slotActivated()
<a name="l00351"></a>00351 {
<a name="l00352"></a>00352 <span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l00353"></a>00353 <span class="preprocessor"></span>  <span class="keywordflow">if</span> ( supports_dnotify )
<a name="l00354"></a>00354   {
<a name="l00355"></a>00355     <span class="keywordtype">char</span> dummy_buf[4096];
<a name="l00356"></a>00356     read(mPipe[0], &amp;dummy_buf, 4096);
<a name="l00357"></a>00357 
<a name="l00358"></a>00358     <span class="keywordflow">if</span> (!rescan_timer.isActive())
<a name="l00359"></a>00359       rescan_timer.start(m_PollInterval, <span class="keyword">true</span> <span class="comment">/* singleshot */</span>);
<a name="l00360"></a>00360 
<a name="l00361"></a>00361     <span class="keywordflow">return</span>;
<a name="l00362"></a>00362   }
<a name="l00363"></a>00363 <span class="preprocessor">#endif</span>
<a name="l00364"></a>00364 <span class="preprocessor"></span>
<a name="l00365"></a>00365 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l00366"></a>00366 <span class="preprocessor"></span>  <span class="keywordflow">if</span> ( !supports_inotify )
<a name="l00367"></a>00367     <span class="keywordflow">return</span>;
<a name="l00368"></a>00368 
<a name="l00369"></a>00369   <span class="keywordtype">int</span> pending = -1;
<a name="l00370"></a>00370   <span class="keywordtype">int</span> offset = 0;
<a name="l00371"></a>00371   <span class="keywordtype">char</span> buf[4096];
<a name="l00372"></a>00372   assert( m_inotify_fd &gt; -1 );
<a name="l00373"></a>00373   ioctl( m_inotify_fd, FIONREAD, &amp;pending );
<a name="l00374"></a>00374 
<a name="l00375"></a>00375   <span class="keywordflow">while</span> ( pending &gt; 0 ) {
<a name="l00376"></a>00376 
<a name="l00377"></a>00377     <span class="keywordflow">if</span> ( pending &gt; (<span class="keywordtype">int</span>)<span class="keyword">sizeof</span>( buf ) )
<a name="l00378"></a>00378       pending = <span class="keyword">sizeof</span>( buf );
<a name="l00379"></a>00379 
<a name="l00380"></a>00380     pending = read( m_inotify_fd, buf, pending);
<a name="l00381"></a>00381 
<a name="l00382"></a>00382     <span class="keywordflow">while</span> ( pending &gt; 0 ) {
<a name="l00383"></a>00383       <span class="keyword">struct </span>inotify_event *<span class="keyword">event</span> = (<span class="keyword">struct </span>inotify_event *) &amp;buf[offset];
<a name="l00384"></a>00384       pending -= <span class="keyword">sizeof</span>( <span class="keyword">struct </span>inotify_event ) + event-&gt;len;
<a name="l00385"></a>00385       offset += <span class="keyword">sizeof</span>( <span class="keyword">struct </span>inotify_event ) + event-&gt;len;
<a name="l00386"></a>00386 
<a name="l00387"></a>00387       <a class="codeRef" href="qstring.html">QString</a> path;
<a name="l00388"></a>00388       <span class="keywordflow">if</span> ( event-&gt;len )
<a name="l00389"></a>00389         path = <a class="codeRef" href="qfile.html#decodeName">QFile::decodeName</a>( <a class="codeRef" href="qcstring.html">QCString</a>( event-&gt;name, event-&gt;len ) );
<a name="l00390"></a>00390 
<a name="l00391"></a>00391       <span class="keywordflow">if</span> ( path.length() &amp;&amp; isNoisyFile( path.latin1() ) )
<a name="l00392"></a>00392         <span class="keywordflow">continue</span>;
<a name="l00393"></a>00393 
<a name="l00394"></a>00394       kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;ev wd: &quot;</span> &lt;&lt; <span class="keyword">event</span>-&gt;wd &lt;&lt; <span class="stringliteral">&quot; mask &quot;</span> &lt;&lt; <span class="keyword">event</span>-&gt;mask &lt;&lt; <span class="stringliteral">&quot; path: &quot;</span> &lt;&lt; path &lt;&lt; endl;
<a name="l00395"></a>00395 
<a name="l00396"></a>00396       <span class="comment">// now we&#39;re in deep trouble of finding the</span>
<a name="l00397"></a>00397       <span class="comment">// associated entries</span>
<a name="l00398"></a>00398       <span class="comment">// for now, we suck and iterate</span>
<a name="l00399"></a>00399       <span class="keywordflow">for</span> ( EntryMap::Iterator it = m_mapEntries.begin();
<a name="l00400"></a>00400             it != m_mapEntries.end(); ++it ) {
<a name="l00401"></a>00401         Entry* e = &amp;( *it );
<a name="l00402"></a>00402         <span class="keywordflow">if</span> ( e-&gt;wd == event-&gt;wd ) {
<a name="l00403"></a>00403           e-&gt;dirty = <span class="keyword">true</span>;
<a name="l00404"></a>00404 
<a name="l00405"></a>00405           <span class="keywordflow">if</span> ( 1 || e-&gt;isDir) {
<a name="l00406"></a>00406             <span class="keywordflow">if</span>( event-&gt;mask &amp; IN_DELETE_SELF) {
<a name="l00407"></a>00407               kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;--&gt;got deleteself signal for &quot;</span> &lt;&lt; e-&gt;path &lt;&lt; endl;
<a name="l00408"></a>00408               e-&gt;m_status = NonExistent;
<a name="l00409"></a>00409               <span class="keywordflow">if</span> (e-&gt;isDir)
<a name="l00410"></a>00410                 addEntry(0, <a class="codeRef" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>(e-&gt;path+<span class="stringliteral">&quot;/..&quot;</span>), e, <span class="keyword">true</span>);
<a name="l00411"></a>00411               <span class="keywordflow">else</span>
<a name="l00412"></a>00412                 addEntry(0, <a class="codeRef" href="qfileinfo.html">QFileInfo</a>(e-&gt;path).<a class="codeRef" href="qfileinfo.html#dirPath">dirPath</a>(<span class="keyword">true</span>), e, <span class="keyword">true</span>);
<a name="l00413"></a>00413             }
<a name="l00414"></a>00414             <span class="keywordflow">if</span> ( event-&gt;mask &amp; IN_IGNORED ) {
<a name="l00415"></a>00415               e-&gt;wd = 0;
<a name="l00416"></a>00416             }
<a name="l00417"></a>00417             <span class="keywordflow">if</span> ( event-&gt;mask &amp; (IN_CREATE|IN_MOVED_TO) ) {
<a name="l00418"></a>00418               Entry *sub_entry = e-&gt;m_entries.first();
<a name="l00419"></a>00419               <span class="keywordflow">for</span>(;sub_entry; sub_entry = e-&gt;m_entries.next())
<a name="l00420"></a>00420                 <span class="keywordflow">if</span> (sub_entry-&gt;path == e-&gt;path + <span class="stringliteral">&quot;/&quot;</span> + path) <span class="keywordflow">break</span>;
<a name="l00421"></a>00421 
<a name="l00422"></a>00422               <span class="keywordflow">if</span> (sub_entry <span class="comment">/*&amp;&amp; sub_entry-&gt;isDir*/</span>) {
<a name="l00423"></a>00423                 removeEntry(0,e-&gt;path, sub_entry);
<a name="l00424"></a>00424                 KDE_struct_stat stat_buf;
<a name="l00425"></a>00425                 <a class="codeRef" href="qcstring.html">QCString</a> tpath = <a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>(path);
<a name="l00426"></a>00426                 KDE_stat(tpath, &amp;stat_buf);
<a name="l00427"></a>00427 
<a name="l00428"></a>00428                 <span class="comment">//sub_entry-&gt;isDir = S_ISDIR(stat_buf.st_mode);</span>
<a name="l00429"></a>00429                 <span class="comment">//sub_entry-&gt;m_ctime = stat_buf.st_ctime;</span>
<a name="l00430"></a>00430                 <span class="comment">//sub_entry-&gt;m_status = Normal;</span>
<a name="l00431"></a>00431                 <span class="comment">//sub_entry-&gt;m_nlink = stat_buf.st_nlink;</span>
<a name="l00432"></a>00432 
<a name="l00433"></a>00433                 <span class="keywordflow">if</span>(!useINotify(sub_entry))
<a name="l00434"></a>00434                   useStat(sub_entry);
<a name="l00435"></a>00435                 sub_entry-&gt;dirty = <span class="keyword">true</span>;
<a name="l00436"></a>00436               }
<a name="l00437"></a>00437             }
<a name="l00438"></a>00438           }
<a name="l00439"></a>00439 
<a name="l00440"></a>00440           <span class="keywordflow">if</span> (!rescan_timer.isActive())
<a name="l00441"></a>00441             rescan_timer.start(m_PollInterval, <span class="keyword">true</span> <span class="comment">/* singleshot */</span>);
<a name="l00442"></a>00442 
<a name="l00443"></a>00443           <span class="keywordflow">break</span>; <span class="comment">// there really should be only one matching wd</span>
<a name="l00444"></a>00444         }
<a name="l00445"></a>00445       }
<a name="l00446"></a>00446 
<a name="l00447"></a>00447     }
<a name="l00448"></a>00448   }
<a name="l00449"></a>00449 <span class="preprocessor">#endif</span>
<a name="l00450"></a>00450 <span class="preprocessor"></span>}
<a name="l00451"></a>00451 
<a name="l00452"></a>00452 <span class="comment">/* In DNOTIFY/FAM mode, only entries which are marked dirty are scanned.</span>
<a name="l00453"></a>00453 <span class="comment"> * We first need to mark all yet nonexistent, but possible created</span>
<a name="l00454"></a>00454 <span class="comment"> * entries as dirty...</span>
<a name="l00455"></a>00455 <span class="comment"> */</span>
<a name="l00456"></a>00456 <span class="keywordtype">void</span> KDirWatchPrivate::Entry::propagate_dirty()
<a name="l00457"></a>00457 {
<a name="l00458"></a>00458   <span class="keywordflow">for</span> (<a class="codeRef" href="qptrlistiterator.html">QPtrListIterator&lt;Entry&gt;</a> sub_entry (m_entries); 
<a name="l00459"></a>00459        sub_entry.<a class="codeRef" href="qptrlistiterator.html#current">current</a>(); ++sub_entry)
<a name="l00460"></a>00460   {
<a name="l00461"></a>00461      <span class="keywordflow">if</span> (!sub_entry.current()-&gt;dirty)
<a name="l00462"></a>00462      {
<a name="l00463"></a>00463         sub_entry.current()-&gt;dirty = <span class="keyword">true</span>;
<a name="l00464"></a>00464         sub_entry.current()-&gt;propagate_dirty();
<a name="l00465"></a>00465      }
<a name="l00466"></a>00466   }
<a name="l00467"></a>00467 }
<a name="l00468"></a>00468 
<a name="l00469"></a>00469 
<a name="l00470"></a>00470 <span class="comment">/* A KDirWatch instance is interested in getting events for</span>
<a name="l00471"></a>00471 <span class="comment"> * this file/Dir entry.</span>
<a name="l00472"></a>00472 <span class="comment"> */</span>
<a name="l00473"></a>00473 <span class="keywordtype">void</span> KDirWatchPrivate::Entry::addClient(<a class="code" href="classKDirWatch.html" title="Watch directories and files for changes.">KDirWatch</a>* instance)
<a name="l00474"></a>00474 {
<a name="l00475"></a>00475   Client* client = m_clients.first();
<a name="l00476"></a>00476   <span class="keywordflow">for</span>(;client; client = m_clients.next())
<a name="l00477"></a>00477     <span class="keywordflow">if</span> (client-&gt;instance == instance) <span class="keywordflow">break</span>;
<a name="l00478"></a>00478 
<a name="l00479"></a>00479   <span class="keywordflow">if</span> (client) {
<a name="l00480"></a>00480     client-&gt;count++;
<a name="l00481"></a>00481     <span class="keywordflow">return</span>;
<a name="l00482"></a>00482   }
<a name="l00483"></a>00483 
<a name="l00484"></a>00484   client = <span class="keyword">new</span> Client;
<a name="l00485"></a>00485   client-&gt;instance = instance;
<a name="l00486"></a>00486   client-&gt;count = 1;
<a name="l00487"></a>00487   client-&gt;watchingStopped = instance-&gt;<a class="code" href="classKDirWatch.html#ab648b010f779acf1251eecbc58d270e0" title="Is scanning stopped? After creation of a KDirWatch instance, this is false.">isStopped</a>();
<a name="l00488"></a>00488   client-&gt;pending = NoChange;
<a name="l00489"></a>00489 
<a name="l00490"></a>00490   m_clients.append(client);
<a name="l00491"></a>00491 }
<a name="l00492"></a>00492 
<a name="l00493"></a>00493 <span class="keywordtype">void</span> KDirWatchPrivate::Entry::removeClient(<a class="code" href="classKDirWatch.html" title="Watch directories and files for changes.">KDirWatch</a>* instance)
<a name="l00494"></a>00494 {
<a name="l00495"></a>00495   Client* client = m_clients.first();
<a name="l00496"></a>00496   <span class="keywordflow">for</span>(;client; client = m_clients.next())
<a name="l00497"></a>00497     <span class="keywordflow">if</span> (client-&gt;instance == instance) <span class="keywordflow">break</span>;
<a name="l00498"></a>00498 
<a name="l00499"></a>00499   <span class="keywordflow">if</span> (client) {
<a name="l00500"></a>00500     client-&gt;count--;
<a name="l00501"></a>00501     <span class="keywordflow">if</span> (client-&gt;count == 0) {
<a name="l00502"></a>00502       m_clients.removeRef(client);
<a name="l00503"></a>00503       <span class="keyword">delete</span> client;
<a name="l00504"></a>00504     }
<a name="l00505"></a>00505   }
<a name="l00506"></a>00506 }
<a name="l00507"></a>00507 
<a name="l00508"></a>00508 <span class="comment">/* get number of clients */</span>
<a name="l00509"></a>00509 <span class="keywordtype">int</span> KDirWatchPrivate::Entry::clients()
<a name="l00510"></a>00510 {
<a name="l00511"></a>00511   <span class="keywordtype">int</span> clients = 0;
<a name="l00512"></a>00512   Client* client = m_clients.first();
<a name="l00513"></a>00513   <span class="keywordflow">for</span>(;client; client = m_clients.next())
<a name="l00514"></a>00514     clients += client-&gt;count;
<a name="l00515"></a>00515 
<a name="l00516"></a>00516   <span class="keywordflow">return</span> clients;
<a name="l00517"></a>00517 }
<a name="l00518"></a>00518 
<a name="l00519"></a>00519 
<a name="l00520"></a>00520 KDirWatchPrivate::Entry* KDirWatchPrivate::entry(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>&amp; _path)
<a name="l00521"></a>00521 {
<a name="l00522"></a>00522 <span class="comment">// we only support absolute paths</span>
<a name="l00523"></a>00523   <span class="keywordflow">if</span> (<a class="codeRef" href="qdir.html#isRelativePath">QDir::isRelativePath</a>(_path)) {
<a name="l00524"></a>00524     <span class="keywordflow">return</span> 0;
<a name="l00525"></a>00525   }
<a name="l00526"></a>00526 
<a name="l00527"></a>00527   <a class="codeRef" href="qstring.html">QString</a> path = _path;
<a name="l00528"></a>00528 
<a name="l00529"></a>00529   <span class="keywordflow">if</span> ( path.<a class="codeRef" href="qstring.html#length">length</a>() &gt; 1 &amp;&amp; path.<a class="codeRef" href="qstring.html#right">right</a>(1) == <span class="stringliteral">&quot;/&quot;</span> )
<a name="l00530"></a>00530     path.<a class="codeRef" href="qstring.html#truncate">truncate</a>( path.<a class="codeRef" href="qstring.html#length">length</a>() - 1 );
<a name="l00531"></a>00531 
<a name="l00532"></a>00532   EntryMap::Iterator it = m_mapEntries.find( path );
<a name="l00533"></a>00533   <span class="keywordflow">if</span> ( it == m_mapEntries.end() )
<a name="l00534"></a>00534     <span class="keywordflow">return</span> 0;
<a name="l00535"></a>00535   <span class="keywordflow">else</span>
<a name="l00536"></a>00536     <span class="keywordflow">return</span> &amp;(*it);
<a name="l00537"></a>00537 }
<a name="l00538"></a>00538 
<a name="l00539"></a>00539 <span class="comment">// set polling frequency for a entry and adjust global freq if needed</span>
<a name="l00540"></a>00540 <span class="keywordtype">void</span> KDirWatchPrivate::useFreq(Entry* e, <span class="keywordtype">int</span> newFreq)
<a name="l00541"></a>00541 {
<a name="l00542"></a>00542   e-&gt;freq = newFreq;
<a name="l00543"></a>00543 
<a name="l00544"></a>00544   <span class="comment">// a reasonable frequency for the global polling timer</span>
<a name="l00545"></a>00545   <span class="keywordflow">if</span> (e-&gt;freq &lt; freq) {
<a name="l00546"></a>00546     freq = e-&gt;freq;
<a name="l00547"></a>00547     <span class="keywordflow">if</span> (timer-&gt;isActive()) timer-&gt;changeInterval(freq);
<a name="l00548"></a>00548     kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;Global Poll Freq is now &quot;</span> &lt;&lt; freq &lt;&lt; <span class="stringliteral">&quot; msec&quot;</span> &lt;&lt; endl;
<a name="l00549"></a>00549   }
<a name="l00550"></a>00550 }
<a name="l00551"></a>00551 
<a name="l00552"></a>00552 
<a name="l00553"></a>00553 <span class="preprocessor">#ifdef HAVE_FAM</span>
<a name="l00554"></a>00554 <span class="preprocessor"></span><span class="comment">// setup FAM notification, returns false if not possible</span>
<a name="l00555"></a>00555 <span class="keywordtype">bool</span> KDirWatchPrivate::useFAM(Entry* e)
<a name="l00556"></a>00556 {
<a name="l00557"></a>00557   <span class="keywordflow">if</span> (!use_fam) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00558"></a>00558 
<a name="l00559"></a>00559   <span class="comment">// handle FAM events to avoid deadlock</span>
<a name="l00560"></a>00560   <span class="comment">// (FAM sends back all files in a directory when monitoring)</span>
<a name="l00561"></a>00561   famEventReceived();
<a name="l00562"></a>00562 
<a name="l00563"></a>00563   e-&gt;m_mode = FAMMode;
<a name="l00564"></a>00564   e-&gt;dirty = <span class="keyword">false</span>;
<a name="l00565"></a>00565 
<a name="l00566"></a>00566   <span class="keywordflow">if</span> (e-&gt;isDir) {
<a name="l00567"></a>00567     <span class="keywordflow">if</span> (e-&gt;m_status == NonExistent) {
<a name="l00568"></a>00568       <span class="comment">// If the directory does not exist we watch the parent directory</span>
<a name="l00569"></a>00569       addEntry(0, <a class="codeRef" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>(e-&gt;path+<span class="stringliteral">&quot;/..&quot;</span>), e, <span class="keyword">true</span>);
<a name="l00570"></a>00570     }
<a name="l00571"></a>00571     <span class="keywordflow">else</span> {
<a name="l00572"></a>00572       <span class="keywordtype">int</span> res =FAMMonitorDirectory(&amp;fc, <a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>(e-&gt;path),
<a name="l00573"></a>00573                    &amp;(e-&gt;fr), e);
<a name="l00574"></a>00574       <span class="keywordflow">if</span> (res&lt;0) {
<a name="l00575"></a>00575     e-&gt;m_mode = UnknownMode;
<a name="l00576"></a>00576     use_fam=<span class="keyword">false</span>;
<a name="l00577"></a>00577     <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00578"></a>00578       }
<a name="l00579"></a>00579       kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot; Setup FAM (Req &quot;</span>
<a name="l00580"></a>00580             &lt;&lt; FAMREQUEST_GETREQNUM(&amp;(e-&gt;fr))
<a name="l00581"></a>00581             &lt;&lt; <span class="stringliteral">&quot;) for &quot;</span> &lt;&lt; e-&gt;path &lt;&lt; endl;
<a name="l00582"></a>00582     }
<a name="l00583"></a>00583   }
<a name="l00584"></a>00584   <span class="keywordflow">else</span> {
<a name="l00585"></a>00585     <span class="keywordflow">if</span> (e-&gt;m_status == NonExistent) {
<a name="l00586"></a>00586       <span class="comment">// If the file does not exist we watch the directory</span>
<a name="l00587"></a>00587       addEntry(0, <a class="codeRef" href="qfileinfo.html">QFileInfo</a>(e-&gt;path).<a class="codeRef" href="qfileinfo.html#dirPath">dirPath</a>(<span class="keyword">true</span>), e, <span class="keyword">true</span>);
<a name="l00588"></a>00588     }
<a name="l00589"></a>00589     <span class="keywordflow">else</span> {
<a name="l00590"></a>00590       <span class="keywordtype">int</span> res = FAMMonitorFile(&amp;fc, <a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>(e-&gt;path),
<a name="l00591"></a>00591                    &amp;(e-&gt;fr), e);
<a name="l00592"></a>00592       <span class="keywordflow">if</span> (res&lt;0) {
<a name="l00593"></a>00593     e-&gt;m_mode = UnknownMode;
<a name="l00594"></a>00594     use_fam=<span class="keyword">false</span>;
<a name="l00595"></a>00595     <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00596"></a>00596       }
<a name="l00597"></a>00597 
<a name="l00598"></a>00598       kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot; Setup FAM (Req &quot;</span>
<a name="l00599"></a>00599             &lt;&lt; FAMREQUEST_GETREQNUM(&amp;(e-&gt;fr))
<a name="l00600"></a>00600             &lt;&lt; <span class="stringliteral">&quot;) for &quot;</span> &lt;&lt; e-&gt;path &lt;&lt; endl;
<a name="l00601"></a>00601     }
<a name="l00602"></a>00602   }
<a name="l00603"></a>00603 
<a name="l00604"></a>00604   <span class="comment">// handle FAM events to avoid deadlock</span>
<a name="l00605"></a>00605   <span class="comment">// (FAM sends back all files in a directory when monitoring)</span>
<a name="l00606"></a>00606   famEventReceived();
<a name="l00607"></a>00607 
<a name="l00608"></a>00608   <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00609"></a>00609 }
<a name="l00610"></a>00610 <span class="preprocessor">#endif</span>
<a name="l00611"></a>00611 <span class="preprocessor"></span>
<a name="l00612"></a>00612 
<a name="l00613"></a>00613 <span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l00614"></a>00614 <span class="preprocessor"></span><span class="comment">// setup DNotify notification, returns false if not possible</span>
<a name="l00615"></a>00615 <span class="keywordtype">bool</span> KDirWatchPrivate::useDNotify(Entry* e)
<a name="l00616"></a>00616 {
<a name="l00617"></a>00617   e-&gt;dn_fd = 0;
<a name="l00618"></a>00618   e-&gt;dirty = <span class="keyword">false</span>;
<a name="l00619"></a>00619   <span class="keywordflow">if</span> (!supports_dnotify) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00620"></a>00620 
<a name="l00621"></a>00621   e-&gt;m_mode = DNotifyMode;
<a name="l00622"></a>00622 
<a name="l00623"></a>00623   <span class="keywordflow">if</span> (e-&gt;isDir) {
<a name="l00624"></a>00624     <span class="keywordflow">if</span> (e-&gt;m_status == Normal) {
<a name="l00625"></a>00625       <span class="keywordtype">int</span> fd = KDE_open(<a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>(e-&gt;path).data(), O_RDONLY);
<a name="l00626"></a>00626       <span class="comment">// Migrate fd to somewhere above 128. Some libraries have</span>
<a name="l00627"></a>00627       <span class="comment">// constructs like:</span>
<a name="l00628"></a>00628       <span class="comment">//    fd = socket(...)</span>
<a name="l00629"></a>00629       <span class="comment">//    if (fd &gt; ARBITRARY_LIMIT)</span>
<a name="l00630"></a>00630       <span class="comment">//       return error;</span>
<a name="l00631"></a>00631       <span class="comment">//</span>
<a name="l00632"></a>00632       <span class="comment">// Since programs might end up using a lot of KDirWatch objects</span>
<a name="l00633"></a>00633       <span class="comment">// for a rather long time the above braindamage could get</span>
<a name="l00634"></a>00634       <span class="comment">// triggered.</span>
<a name="l00635"></a>00635       <span class="comment">//</span>
<a name="l00636"></a>00636       <span class="comment">// By moving the kdirwatch fd&#39;s to &gt; 128, calls like socket() will keep</span>
<a name="l00637"></a>00637       <span class="comment">// returning fd&#39;s &lt; ARBITRARY_LIMIT for a bit longer.</span>
<a name="l00638"></a>00638       <span class="keywordtype">int</span> fd2 = fcntl(fd, F_DUPFD, 128);
<a name="l00639"></a>00639       <span class="keywordflow">if</span> (fd2 &gt;= 0)
<a name="l00640"></a>00640       {
<a name="l00641"></a>00641         close(fd);
<a name="l00642"></a>00642         fd = fd2;
<a name="l00643"></a>00643       }
<a name="l00644"></a>00644       <span class="keywordflow">if</span> (fd&lt;0) {
<a name="l00645"></a>00645     e-&gt;m_mode = UnknownMode;
<a name="l00646"></a>00646     <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00647"></a>00647       }
<a name="l00648"></a>00648 
<a name="l00649"></a>00649       <span class="keywordtype">int</span> mask = DN_DELETE|DN_CREATE|DN_RENAME|DN_MULTISHOT;
<a name="l00650"></a>00650       <span class="comment">// if dependant is a file watch, we check for MODIFY &amp; ATTRIB too</span>
<a name="l00651"></a>00651       <span class="keywordflow">for</span>(Entry* dep=e-&gt;m_entries.first();dep;dep=e-&gt;m_entries.next())
<a name="l00652"></a>00652     <span class="keywordflow">if</span> (!dep-&gt;isDir) { mask |= DN_MODIFY|DN_ATTRIB; <span class="keywordflow">break</span>; }
<a name="l00653"></a>00653 
<a name="l00654"></a>00654       <span class="keywordflow">if</span>(fcntl(fd, F_SETSIG, dnotify_signal) &lt; 0 ||
<a name="l00655"></a>00655      fcntl(fd, F_NOTIFY, mask) &lt; 0) {
<a name="l00656"></a>00656 
<a name="l00657"></a>00657     kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;Not using Linux Directory Notifications.&quot;</span>
<a name="l00658"></a>00658               &lt;&lt; endl;
<a name="l00659"></a>00659     supports_dnotify = <span class="keyword">false</span>;
<a name="l00660"></a>00660     ::close(fd);
<a name="l00661"></a>00661     e-&gt;m_mode = UnknownMode;
<a name="l00662"></a>00662     <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00663"></a>00663       }
<a name="l00664"></a>00664 
<a name="l00665"></a>00665       fd_Entry.replace(fd, e);
<a name="l00666"></a>00666       e-&gt;dn_fd = fd;
<a name="l00667"></a>00667 
<a name="l00668"></a>00668       kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot; Setup DNotify (fd &quot;</span> &lt;&lt; fd
<a name="l00669"></a>00669             &lt;&lt; <span class="stringliteral">&quot;) for &quot;</span> &lt;&lt; e-&gt;path &lt;&lt; endl;
<a name="l00670"></a>00670     }
<a name="l00671"></a>00671     <span class="keywordflow">else</span> { <span class="comment">// NotExisting</span>
<a name="l00672"></a>00672       addEntry(0, <a class="codeRef" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>(e-&gt;path+<span class="stringliteral">&quot;/..&quot;</span>), e, <span class="keyword">true</span>);
<a name="l00673"></a>00673     }
<a name="l00674"></a>00674   }
<a name="l00675"></a>00675   <span class="keywordflow">else</span> { <span class="comment">// File</span>
<a name="l00676"></a>00676     <span class="comment">// we always watch the directory (DNOTIFY can&#39;t watch files alone)</span>
<a name="l00677"></a>00677     <span class="comment">// this notifies us about changes of files therein</span>
<a name="l00678"></a>00678     addEntry(0, <a class="codeRef" href="qfileinfo.html">QFileInfo</a>(e-&gt;path).<a class="codeRef" href="qfileinfo.html#dirPath">dirPath</a>(<span class="keyword">true</span>), e, <span class="keyword">true</span>);
<a name="l00679"></a>00679   }
<a name="l00680"></a>00680 
<a name="l00681"></a>00681   <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00682"></a>00682 }
<a name="l00683"></a>00683 <span class="preprocessor">#endif</span>
<a name="l00684"></a>00684 <span class="preprocessor"></span>
<a name="l00685"></a>00685 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l00686"></a>00686 <span class="preprocessor"></span><span class="comment">// setup INotify notification, returns false if not possible</span>
<a name="l00687"></a>00687 <span class="keywordtype">bool</span> KDirWatchPrivate::useINotify( Entry* e )
<a name="l00688"></a>00688 {
<a name="l00689"></a>00689   e-&gt;wd = 0;
<a name="l00690"></a>00690   e-&gt;dirty = <span class="keyword">false</span>;
<a name="l00691"></a>00691   <span class="keywordflow">if</span> (!supports_inotify) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00692"></a>00692 
<a name="l00693"></a>00693   e-&gt;m_mode = INotifyMode;
<a name="l00694"></a>00694 
<a name="l00695"></a>00695   <span class="keywordtype">int</span> mask = IN_DELETE|IN_DELETE_SELF|IN_CREATE|IN_MOVE|IN_MOVE_SELF|IN_DONT_FOLLOW;
<a name="l00696"></a>00696   <span class="keywordflow">if</span>(!e-&gt;isDir)
<a name="l00697"></a>00697     mask |= IN_MODIFY|IN_ATTRIB;
<a name="l00698"></a>00698   <span class="keywordflow">else</span>
<a name="l00699"></a>00699     mask |= IN_ONLYDIR;
<a name="l00700"></a>00700 
<a name="l00701"></a>00701   <span class="comment">// if dependant is a file watch, we check for MODIFY &amp; ATTRIB too</span>
<a name="l00702"></a>00702   <span class="keywordflow">for</span>(Entry* dep=e-&gt;m_entries.first();dep;dep=e-&gt;m_entries.next()) {
<a name="l00703"></a>00703     <span class="keywordflow">if</span> (!dep-&gt;isDir) { mask |= IN_MODIFY|IN_ATTRIB; <span class="keywordflow">break</span>; }
<a name="l00704"></a>00704   }
<a name="l00705"></a>00705 
<a name="l00706"></a>00706   <span class="keywordflow">if</span> ( ( e-&gt;wd = inotify_add_watch( m_inotify_fd,
<a name="l00707"></a>00707         <a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>( e-&gt;path ), mask) ) &gt; 0 )
<a name="l00708"></a>00708     <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00709"></a>00709 
<a name="l00710"></a>00710   <span class="keywordflow">if</span> ( e-&gt;m_status == NonExistent ) {
<a name="l00711"></a>00711     <span class="keywordflow">if</span> (e-&gt;isDir) 
<a name="l00712"></a>00712       addEntry(0, <a class="codeRef" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>(e-&gt;path+<span class="stringliteral">&quot;/..&quot;</span>), e, <span class="keyword">true</span>);
<a name="l00713"></a>00713     <span class="keywordflow">else</span>
<a name="l00714"></a>00714       addEntry(0, <a class="codeRef" href="qfileinfo.html">QFileInfo</a>(e-&gt;path).<a class="codeRef" href="qfileinfo.html#dirPath">dirPath</a>(<span class="keyword">true</span>), e, <span class="keyword">true</span>);
<a name="l00715"></a>00715     <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00716"></a>00716   }
<a name="l00717"></a>00717 
<a name="l00718"></a>00718   <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00719"></a>00719 }
<a name="l00720"></a>00720 <span class="preprocessor">#endif</span>
<a name="l00721"></a>00721 <span class="preprocessor"></span>
<a name="l00722"></a>00722 <span class="keywordtype">bool</span> KDirWatchPrivate::useStat(Entry* e)
<a name="l00723"></a>00723 {
<a name="l00724"></a>00724   <span class="keywordflow">if</span> (<a class="code" href="namespaceKIO.html#a72e962147780f74e7c44f9c4ea533778" title="Checks if the path belongs to a filesystem that is probably slow.">KIO::probably_slow_mounted</a>(e-&gt;path))
<a name="l00725"></a>00725     useFreq(e, m_nfsPollInterval);
<a name="l00726"></a>00726   <span class="keywordflow">else</span>
<a name="l00727"></a>00727     useFreq(e, m_PollInterval);
<a name="l00728"></a>00728 
<a name="l00729"></a>00729   <span class="keywordflow">if</span> (e-&gt;m_mode != StatMode) {
<a name="l00730"></a>00730     e-&gt;m_mode = StatMode;
<a name="l00731"></a>00731     statEntries++;
<a name="l00732"></a>00732 
<a name="l00733"></a>00733     <span class="keywordflow">if</span> ( statEntries == 1 ) {
<a name="l00734"></a>00734       <span class="comment">// if this was first STAT entry (=timer was stopped)</span>
<a name="l00735"></a>00735       timer-&gt;start(freq);      <span class="comment">// then start the timer</span>
<a name="l00736"></a>00736       kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot; Started Polling Timer, freq &quot;</span> &lt;&lt; freq &lt;&lt; endl;
<a name="l00737"></a>00737     }
<a name="l00738"></a>00738   }
<a name="l00739"></a>00739 
<a name="l00740"></a>00740   kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot; Setup Stat (freq &quot;</span> &lt;&lt; e-&gt;freq
<a name="l00741"></a>00741         &lt;&lt; <span class="stringliteral">&quot;) for &quot;</span> &lt;&lt; e-&gt;path &lt;&lt; endl;
<a name="l00742"></a>00742 
<a name="l00743"></a>00743   <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00744"></a>00744 }
<a name="l00745"></a>00745 
<a name="l00746"></a>00746 
<a name="l00747"></a>00747 <span class="comment">/* If &lt;instance&gt; !=0, this KDirWatch instance wants to watch at &lt;_path&gt;,</span>
<a name="l00748"></a>00748 <span class="comment"> * providing in &lt;isDir&gt; the type of the entry to be watched.</span>
<a name="l00749"></a>00749 <span class="comment"> * Sometimes, entries are dependant on each other: if &lt;sub_entry&gt; !=0,</span>
<a name="l00750"></a>00750 <span class="comment"> * this entry needs another entry to watch himself (when notExistent).</span>
<a name="l00751"></a>00751 <span class="comment"> */</span>
<a name="l00752"></a>00752 <span class="keywordtype">void</span> KDirWatchPrivate::addEntry(<a class="code" href="classKDirWatch.html" title="Watch directories and files for changes.">KDirWatch</a>* instance, <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>&amp; _path,
<a name="l00753"></a>00753                 Entry* sub_entry, <span class="keywordtype">bool</span> isDir)
<a name="l00754"></a>00754 {
<a name="l00755"></a>00755   <a class="codeRef" href="qstring.html">QString</a> path = _path;
<a name="l00756"></a>00756   <span class="keywordflow">if</span> (path.<a class="codeRef" href="qstring.html#startsWith">startsWith</a>(<span class="stringliteral">&quot;/dev/&quot;</span>) || (path == <span class="stringliteral">&quot;/dev&quot;</span>))
<a name="l00757"></a>00757     <span class="keywordflow">return</span>; <span class="comment">// Don&#39;t even go there.</span>
<a name="l00758"></a>00758 
<a name="l00759"></a>00759   <span class="keywordflow">if</span> ( path.<a class="codeRef" href="qstring.html#length">length</a>() &gt; 1 &amp;&amp; path.<a class="codeRef" href="qstring.html#right">right</a>(1) == <span class="stringliteral">&quot;/&quot;</span> )
<a name="l00760"></a>00760     path.<a class="codeRef" href="qstring.html#truncate">truncate</a>( path.<a class="codeRef" href="qstring.html#length">length</a>() - 1 );
<a name="l00761"></a>00761 
<a name="l00762"></a>00762   EntryMap::Iterator it = m_mapEntries.find( path );
<a name="l00763"></a>00763   <span class="keywordflow">if</span> ( it != m_mapEntries.end() )
<a name="l00764"></a>00764   {
<a name="l00765"></a>00765     <span class="keywordflow">if</span> (sub_entry) {
<a name="l00766"></a>00766        (*it).m_entries.append(sub_entry);
<a name="l00767"></a>00767        kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;Added already watched Entry &quot;</span> &lt;&lt; path
<a name="l00768"></a>00768              &lt;&lt; <span class="stringliteral">&quot; (for &quot;</span> &lt;&lt; sub_entry-&gt;path &lt;&lt; <span class="stringliteral">&quot;)&quot;</span> &lt;&lt; endl;
<a name="l00769"></a>00769 
<a name="l00770"></a>00770 <span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l00771"></a>00771 <span class="preprocessor"></span>     {
<a name="l00772"></a>00772        Entry* e = &amp;(*it);
<a name="l00773"></a>00773        <span class="keywordflow">if</span>( (e-&gt;m_mode == DNotifyMode) &amp;&amp; (e-&gt;dn_fd &gt; 0) ) {
<a name="l00774"></a>00774          <span class="keywordtype">int</span> mask = DN_DELETE|DN_CREATE|DN_RENAME|DN_MULTISHOT;
<a name="l00775"></a>00775          <span class="comment">// if dependant is a file watch, we check for MODIFY &amp; ATTRIB too</span>
<a name="l00776"></a>00776          <span class="keywordflow">for</span>(Entry* dep=e-&gt;m_entries.first();dep;dep=e-&gt;m_entries.next())
<a name="l00777"></a>00777            <span class="keywordflow">if</span> (!dep-&gt;isDir) { mask |= DN_MODIFY|DN_ATTRIB; <span class="keywordflow">break</span>; }
<a name="l00778"></a>00778      <span class="keywordflow">if</span>( fcntl(e-&gt;dn_fd, F_NOTIFY, mask) &lt; 0) { <span class="comment">// shouldn&#39;t happen</span>
<a name="l00779"></a>00779        ::close(e-&gt;dn_fd);
<a name="l00780"></a>00780        e-&gt;m_mode = UnknownMode;
<a name="l00781"></a>00781        fd_Entry.<a class="codeRef" href="qstring.html#remove">remove</a>(e-&gt;dn_fd);
<a name="l00782"></a>00782            e-&gt;dn_fd = 0;
<a name="l00783"></a>00783            useStat( e );
<a name="l00784"></a>00784          }
<a name="l00785"></a>00785        }
<a name="l00786"></a>00786      }
<a name="l00787"></a>00787 <span class="preprocessor">#endif</span>
<a name="l00788"></a>00788 <span class="preprocessor"></span>
<a name="l00789"></a>00789 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l00790"></a>00790 <span class="preprocessor"></span>     {
<a name="l00791"></a>00791        Entry* e = &amp;(*it);
<a name="l00792"></a>00792        <span class="keywordflow">if</span>( (e-&gt;m_mode == INotifyMode) &amp;&amp; (e-&gt;wd &gt; 0) ) {
<a name="l00793"></a>00793          <span class="keywordtype">int</span> mask = IN_DELETE|IN_DELETE_SELF|IN_CREATE|IN_MOVE|IN_MOVE_SELF|IN_DONT_FOLLOW;
<a name="l00794"></a>00794          <span class="keywordflow">if</span>(!e-&gt;isDir)
<a name="l00795"></a>00795            mask |= IN_MODIFY|IN_ATTRIB;
<a name="l00796"></a>00796          <span class="keywordflow">else</span>
<a name="l00797"></a>00797            mask |= IN_ONLYDIR;
<a name="l00798"></a>00798 
<a name="l00799"></a>00799          inotify_rm_watch (m_inotify_fd, e-&gt;wd);
<a name="l00800"></a>00800          e-&gt;wd = inotify_add_watch( m_inotify_fd, <a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>( e-&gt;path ), mask);
<a name="l00801"></a>00801        }
<a name="l00802"></a>00802     }
<a name="l00803"></a>00803 <span class="preprocessor">#endif</span>
<a name="l00804"></a>00804 <span class="preprocessor"></span> 
<a name="l00805"></a>00805     }
<a name="l00806"></a>00806     <span class="keywordflow">else</span> {
<a name="l00807"></a>00807        (*it).addClient(instance);
<a name="l00808"></a>00808        kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;Added already watched Entry &quot;</span> &lt;&lt; path
<a name="l00809"></a>00809              &lt;&lt; <span class="stringliteral">&quot; (now &quot;</span> &lt;&lt;  (*it).clients() &lt;&lt; <span class="stringliteral">&quot; clients)&quot;</span>
<a name="l00810"></a>00810              &lt;&lt; <a class="codeRef" href="qstring.html">QString</a>(<span class="stringliteral">&quot; [%1]&quot;</span>).<a class="codeRef" href="qstring.html#arg">arg</a>(instance-&gt;<a class="codeRef" href="qobject.html#name">name</a>()) &lt;&lt; endl;
<a name="l00811"></a>00811     }
<a name="l00812"></a>00812     <span class="keywordflow">return</span>;
<a name="l00813"></a>00813   }
<a name="l00814"></a>00814 
<a name="l00815"></a>00815   <span class="comment">// we have a new path to watch</span>
<a name="l00816"></a>00816 
<a name="l00817"></a>00817   KDE_struct_stat stat_buf;
<a name="l00818"></a>00818   <a class="codeRef" href="qcstring.html">QCString</a> tpath = <a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>(path);
<a name="l00819"></a>00819   <span class="keywordtype">bool</span> exists = (KDE_stat(tpath, &amp;stat_buf) == 0);
<a name="l00820"></a>00820 
<a name="l00821"></a>00821   Entry newEntry;
<a name="l00822"></a>00822   m_mapEntries.insert( path, newEntry );
<a name="l00823"></a>00823   <span class="comment">// the insert does a copy, so we have to use &lt;e&gt; now</span>
<a name="l00824"></a>00824   Entry* e = &amp;(m_mapEntries[path]);
<a name="l00825"></a>00825 
<a name="l00826"></a>00826   <span class="keywordflow">if</span> (exists) {
<a name="l00827"></a>00827     e-&gt;isDir = S_ISDIR(stat_buf.st_mode);
<a name="l00828"></a>00828 
<a name="l00829"></a>00829     <span class="keywordflow">if</span> (e-&gt;isDir &amp;&amp; !isDir)
<a name="l00830"></a>00830       kdWarning() &lt;&lt; <span class="stringliteral">&quot;KDirWatch: &quot;</span> &lt;&lt; path &lt;&lt; <span class="stringliteral">&quot; is a directory. Use addDir!&quot;</span> &lt;&lt; endl;
<a name="l00831"></a>00831     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!e-&gt;isDir &amp;&amp; isDir)
<a name="l00832"></a>00832       kdWarning() &lt;&lt; <span class="stringliteral">&quot;KDirWatch: &quot;</span> &lt;&lt; path &lt;&lt; <span class="stringliteral">&quot; is a file. Use addFile!&quot;</span> &lt;&lt; endl;
<a name="l00833"></a>00833 
<a name="l00834"></a>00834     e-&gt;m_ctime = stat_buf.st_ctime;
<a name="l00835"></a>00835     e-&gt;m_status = Normal;
<a name="l00836"></a>00836     e-&gt;m_nlink = stat_buf.st_nlink;
<a name="l00837"></a>00837   }
<a name="l00838"></a>00838   <span class="keywordflow">else</span> {
<a name="l00839"></a>00839     e-&gt;isDir = isDir;
<a name="l00840"></a>00840     e-&gt;m_ctime = invalid_ctime;
<a name="l00841"></a>00841     e-&gt;m_status = NonExistent;
<a name="l00842"></a>00842     e-&gt;m_nlink = 0;
<a name="l00843"></a>00843   }
<a name="l00844"></a>00844 
<a name="l00845"></a>00845   e-&gt;path = path;
<a name="l00846"></a>00846   <span class="keywordflow">if</span> (sub_entry)
<a name="l00847"></a>00847      e-&gt;m_entries.<a class="codeRef" href="qstring.html#append">append</a>(sub_entry);
<a name="l00848"></a>00848   <span class="keywordflow">else</span>
<a name="l00849"></a>00849     e-&gt;addClient(instance);
<a name="l00850"></a>00850 
<a name="l00851"></a>00851   kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;Added &quot;</span> &lt;&lt; (e-&gt;isDir ? <span class="stringliteral">&quot;Dir &quot;</span>:<span class="stringliteral">&quot;File &quot;</span>) &lt;&lt; path
<a name="l00852"></a>00852         &lt;&lt; (e-&gt;m_status == NonExistent ? <span class="stringliteral">&quot; NotExisting&quot;</span> : <span class="stringliteral">&quot;&quot;</span>)
<a name="l00853"></a>00853         &lt;&lt; (sub_entry ? <a class="codeRef" href="qstring.html">QString</a>(<span class="stringliteral">&quot; for %1&quot;</span>).<a class="codeRef" href="qstring.html#arg">arg</a>(sub_entry-&gt;path) : <a class="codeRef" href="qstring.html">QString</a>(<span class="stringliteral">&quot;&quot;</span>))
<a name="l00854"></a>00854         &lt;&lt; (instance ? <a class="codeRef" href="qstring.html">QString</a>(<span class="stringliteral">&quot; [%1]&quot;</span>).<a class="codeRef" href="qstring.html#arg">arg</a>(instance-&gt;<a class="codeRef" href="qobject.html#name">name</a>()) : <a class="codeRef" href="qstring.html">QString</a>(<span class="stringliteral">&quot;&quot;</span>))
<a name="l00855"></a>00855         &lt;&lt; endl;
<a name="l00856"></a>00856 
<a name="l00857"></a>00857 
<a name="l00858"></a>00858   <span class="comment">// now setup the notification method</span>
<a name="l00859"></a>00859   e-&gt;m_mode = UnknownMode;
<a name="l00860"></a>00860   e-&gt;msecLeft = 0;
<a name="l00861"></a>00861 
<a name="l00862"></a>00862   <span class="keywordflow">if</span> ( isNoisyFile( tpath ) )
<a name="l00863"></a>00863     <span class="keywordflow">return</span>;
<a name="l00864"></a>00864 
<a name="l00865"></a>00865 <span class="preprocessor">#ifdef HAVE_FAM</span>
<a name="l00866"></a>00866 <span class="preprocessor"></span>  <span class="keywordflow">if</span> (useFAM(e)) <span class="keywordflow">return</span>;
<a name="l00867"></a>00867 <span class="preprocessor">#endif</span>
<a name="l00868"></a>00868 <span class="preprocessor"></span>
<a name="l00869"></a>00869 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l00870"></a>00870 <span class="preprocessor"></span>  <span class="keywordflow">if</span> (useINotify(e)) <span class="keywordflow">return</span>;
<a name="l00871"></a>00871 <span class="preprocessor">#endif</span>
<a name="l00872"></a>00872 <span class="preprocessor"></span>
<a name="l00873"></a>00873 <span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l00874"></a>00874 <span class="preprocessor"></span>  <span class="keywordflow">if</span> (useDNotify(e)) <span class="keywordflow">return</span>;
<a name="l00875"></a>00875 <span class="preprocessor">#endif</span>
<a name="l00876"></a>00876 <span class="preprocessor"></span>
<a name="l00877"></a>00877   useStat(e);
<a name="l00878"></a>00878 }
<a name="l00879"></a>00879 
<a name="l00880"></a>00880 
<a name="l00881"></a>00881 <span class="keywordtype">void</span> KDirWatchPrivate::removeEntry( <a class="code" href="classKDirWatch.html" title="Watch directories and files for changes.">KDirWatch</a>* instance,
<a name="l00882"></a>00882                     <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>&amp; _path, Entry* sub_entry )
<a name="l00883"></a>00883 {
<a name="l00884"></a>00884   kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;KDirWatchPrivate::removeEntry for &#39;&quot;</span> &lt;&lt; _path &lt;&lt; <span class="stringliteral">&quot;&#39; sub_entry: &quot;</span> &lt;&lt; sub_entry &lt;&lt; endl;
<a name="l00885"></a>00885   Entry* e = entry(_path);
<a name="l00886"></a>00886   <span class="keywordflow">if</span> (!e) {
<a name="l00887"></a>00887     kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;KDirWatchPrivate::removeEntry can&#39;t handle &#39;&quot;</span> &lt;&lt; _path &lt;&lt; <span class="stringliteral">&quot;&#39;&quot;</span> &lt;&lt; endl;
<a name="l00888"></a>00888     <span class="keywordflow">return</span>;
<a name="l00889"></a>00889   }
<a name="l00890"></a>00890 
<a name="l00891"></a>00891   <span class="keywordflow">if</span> (sub_entry)
<a name="l00892"></a>00892     e-&gt;m_entries.removeRef(sub_entry);
<a name="l00893"></a>00893   <span class="keywordflow">else</span>
<a name="l00894"></a>00894     e-&gt;removeClient(instance);
<a name="l00895"></a>00895 
<a name="l00896"></a>00896   <span class="keywordflow">if</span> (e-&gt;m_clients.count() || e-&gt;m_entries.count()) {
<a name="l00897"></a>00897     kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;removeEntry: unwatched &quot;</span> &lt;&lt; e-&gt;path &lt;&lt; <span class="stringliteral">&quot; &quot;</span> &lt;&lt; _path &lt;&lt; endl;
<a name="l00898"></a>00898     <span class="keywordflow">return</span>;
<a name="l00899"></a>00899   }
<a name="l00900"></a>00900 
<a name="l00901"></a>00901   <span class="keywordflow">if</span> (delayRemove) {
<a name="l00902"></a>00902     <span class="comment">// removeList is allowed to contain any entry at most once</span>
<a name="l00903"></a>00903     <span class="keywordflow">if</span> (removeList.findRef(e)==-1)
<a name="l00904"></a>00904       removeList.<a class="codeRef" href="qstring.html#append">append</a>(e);
<a name="l00905"></a>00905     <span class="comment">// now e-&gt;isValid() is false</span>
<a name="l00906"></a>00906     <span class="keywordflow">return</span>;
<a name="l00907"></a>00907   }
<a name="l00908"></a>00908 
<a name="l00909"></a>00909 <span class="preprocessor">#ifdef HAVE_FAM</span>
<a name="l00910"></a>00910 <span class="preprocessor"></span>  <span class="keywordflow">if</span> (e-&gt;m_mode == FAMMode) {
<a name="l00911"></a>00911     <span class="keywordflow">if</span> ( e-&gt;m_status == Normal) {
<a name="l00912"></a>00912       FAMCancelMonitor(&amp;fc, &amp;(e-&gt;fr) );
<a name="l00913"></a>00913       kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;Cancelled FAM (Req &quot;</span>
<a name="l00914"></a>00914             &lt;&lt; FAMREQUEST_GETREQNUM(&amp;(e-&gt;fr))
<a name="l00915"></a>00915             &lt;&lt; <span class="stringliteral">&quot;) for &quot;</span> &lt;&lt; e-&gt;path &lt;&lt; endl;
<a name="l00916"></a>00916     }
<a name="l00917"></a>00917     <span class="keywordflow">else</span> {
<a name="l00918"></a>00918       <span class="keywordflow">if</span> (e-&gt;isDir)
<a name="l00919"></a>00919     removeEntry(0, <a class="codeRef" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>(e-&gt;path+<span class="stringliteral">&quot;/..&quot;</span>), e);
<a name="l00920"></a>00920       <span class="keywordflow">else</span>
<a name="l00921"></a>00921     removeEntry(0, <a class="codeRef" href="qfileinfo.html">QFileInfo</a>(e-&gt;path).<a class="codeRef" href="qfileinfo.html#dirPath">dirPath</a>(<span class="keyword">true</span>), e);
<a name="l00922"></a>00922     }
<a name="l00923"></a>00923   }
<a name="l00924"></a>00924 <span class="preprocessor">#endif</span>
<a name="l00925"></a>00925 <span class="preprocessor"></span>
<a name="l00926"></a>00926 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l00927"></a>00927 <span class="preprocessor"></span>  kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;inotify remove &quot;</span> &lt;&lt; ( e-&gt;m_mode == INotifyMode ) &lt;&lt; <span class="stringliteral">&quot; &quot;</span> &lt;&lt; ( e-&gt;m_status == Normal )  &lt;&lt; endl;
<a name="l00928"></a>00928   <span class="keywordflow">if</span> (e-&gt;m_mode == INotifyMode) {
<a name="l00929"></a>00929     <span class="keywordflow">if</span> ( e-&gt;m_status == Normal ) {
<a name="l00930"></a>00930       (void) inotify_rm_watch( m_inotify_fd, e-&gt;wd );
<a name="l00931"></a>00931       kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;Cancelled INotify (fd &quot;</span> &lt;&lt;
<a name="l00932"></a>00932         m_inotify_fd &lt;&lt; <span class="stringliteral">&quot;, &quot;</span>  &lt;&lt; e-&gt;wd &lt;&lt;
<a name="l00933"></a>00933         <span class="stringliteral">&quot;) for &quot;</span> &lt;&lt; e-&gt;path &lt;&lt; endl;
<a name="l00934"></a>00934     }
<a name="l00935"></a>00935     <span class="keywordflow">else</span> {
<a name="l00936"></a>00936       <span class="keywordflow">if</span> (e-&gt;isDir)
<a name="l00937"></a>00937     removeEntry(0, <a class="codeRef" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>(e-&gt;path+<span class="stringliteral">&quot;/..&quot;</span>), e);
<a name="l00938"></a>00938       <span class="keywordflow">else</span>
<a name="l00939"></a>00939     removeEntry(0, <a class="codeRef" href="qfileinfo.html">QFileInfo</a>(e-&gt;path).<a class="codeRef" href="qfileinfo.html#dirPath">dirPath</a>(<span class="keyword">true</span>), e);
<a name="l00940"></a>00940     }
<a name="l00941"></a>00941   }
<a name="l00942"></a>00942 <span class="preprocessor">#endif</span>
<a name="l00943"></a>00943 <span class="preprocessor"></span>
<a name="l00944"></a>00944 <span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l00945"></a>00945 <span class="preprocessor"></span>  <span class="keywordflow">if</span> (e-&gt;m_mode == DNotifyMode) {
<a name="l00946"></a>00946     <span class="keywordflow">if</span> (!e-&gt;isDir) {
<a name="l00947"></a>00947       removeEntry(0, <a class="codeRef" href="qfileinfo.html">QFileInfo</a>(e-&gt;path).<a class="codeRef" href="qfileinfo.html#dirPath">dirPath</a>(<span class="keyword">true</span>), e);
<a name="l00948"></a>00948     }
<a name="l00949"></a>00949     <span class="keywordflow">else</span> { <span class="comment">// isDir</span>
<a name="l00950"></a>00950       <span class="comment">// must close the FD.</span>
<a name="l00951"></a>00951       <span class="keywordflow">if</span> ( e-&gt;m_status == Normal) {
<a name="l00952"></a>00952     <span class="keywordflow">if</span> (e-&gt;dn_fd) {
<a name="l00953"></a>00953       ::close(e-&gt;dn_fd);
<a name="l00954"></a>00954       fd_Entry.remove(e-&gt;dn_fd);
<a name="l00955"></a>00955 
<a name="l00956"></a>00956       kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;Cancelled DNotify (fd &quot;</span> &lt;&lt; e-&gt;dn_fd
<a name="l00957"></a>00957             &lt;&lt; <span class="stringliteral">&quot;) for &quot;</span> &lt;&lt; e-&gt;path &lt;&lt; endl;
<a name="l00958"></a>00958       e-&gt;dn_fd = 0;
<a name="l00959"></a>00959 
<a name="l00960"></a>00960     }
<a name="l00961"></a>00961       }
<a name="l00962"></a>00962       <span class="keywordflow">else</span> {
<a name="l00963"></a>00963     removeEntry(0, <a class="codeRef" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>(e-&gt;path+<span class="stringliteral">&quot;/..&quot;</span>), e);
<a name="l00964"></a>00964       }
<a name="l00965"></a>00965     }
<a name="l00966"></a>00966   }
<a name="l00967"></a>00967 <span class="preprocessor">#endif</span>
<a name="l00968"></a>00968 <span class="preprocessor"></span>
<a name="l00969"></a>00969   <span class="keywordflow">if</span> (e-&gt;m_mode == StatMode) {
<a name="l00970"></a>00970     statEntries--;
<a name="l00971"></a>00971     <span class="keywordflow">if</span> ( statEntries == 0 ) {
<a name="l00972"></a>00972       timer-&gt;stop(); <span class="comment">// stop timer if lists are empty</span>
<a name="l00973"></a>00973       kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot; Stopped Polling Timer&quot;</span> &lt;&lt; endl;
<a name="l00974"></a>00974     }
<a name="l00975"></a>00975   }
<a name="l00976"></a>00976 
<a name="l00977"></a>00977   kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;Removed &quot;</span> &lt;&lt; (e-&gt;isDir ? <span class="stringliteral">&quot;Dir &quot;</span>:<span class="stringliteral">&quot;File &quot;</span>) &lt;&lt; e-&gt;path
<a name="l00978"></a>00978         &lt;&lt; (sub_entry ? <a class="codeRef" href="qstring.html">QString</a>(<span class="stringliteral">&quot; for %1&quot;</span>).<a class="codeRef" href="qstring.html#arg">arg</a>(sub_entry-&gt;path) : <a class="codeRef" href="qstring.html">QString</a>(<span class="stringliteral">&quot;&quot;</span>))
<a name="l00979"></a>00979         &lt;&lt; (instance ? <a class="codeRef" href="qstring.html">QString</a>(<span class="stringliteral">&quot; [%1]&quot;</span>).<a class="codeRef" href="qstring.html#arg">arg</a>(instance-&gt;<a class="codeRef" href="qobject.html#name">name</a>()) : <a class="codeRef" href="qstring.html">QString</a>(<span class="stringliteral">&quot;&quot;</span>))
<a name="l00980"></a>00980         &lt;&lt; endl;
<a name="l00981"></a>00981   m_mapEntries.remove( e-&gt;path ); <span class="comment">// &lt;e&gt; not valid any more</span>
<a name="l00982"></a>00982 }
<a name="l00983"></a>00983 
<a name="l00984"></a>00984 
<a name="l00985"></a>00985 <span class="comment">/* Called from KDirWatch destructor:</span>
<a name="l00986"></a>00986 <span class="comment"> * remove &lt;instance&gt; as client from all entries</span>
<a name="l00987"></a>00987 <span class="comment"> */</span>
<a name="l00988"></a>00988 <span class="keywordtype">void</span> KDirWatchPrivate::removeEntries( <a class="code" href="classKDirWatch.html" title="Watch directories and files for changes.">KDirWatch</a>* instance )
<a name="l00989"></a>00989 {
<a name="l00990"></a>00990   <a class="codeRef" href="qptrlist.html">QPtrList&lt;Entry&gt;</a> list;
<a name="l00991"></a>00991   <span class="keywordtype">int</span> minfreq = 3600000;
<a name="l00992"></a>00992 
<a name="l00993"></a>00993   <span class="comment">// put all entries where instance is a client in list</span>
<a name="l00994"></a>00994   EntryMap::Iterator it = m_mapEntries.begin();
<a name="l00995"></a>00995   <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it ) {
<a name="l00996"></a>00996     Client* c = (*it).m_clients.<a class="codeRef" href="qptrlist.html#first">first</a>();
<a name="l00997"></a>00997     <span class="keywordflow">for</span>(;c;c=(*it).m_clients.next())
<a name="l00998"></a>00998       <span class="keywordflow">if</span> (c-&gt;instance == instance) <span class="keywordflow">break</span>;
<a name="l00999"></a>00999     <span class="keywordflow">if</span> (c) {
<a name="l01000"></a>01000       c-&gt;count = 1; <span class="comment">// forces deletion of instance as client</span>
<a name="l01001"></a>01001       list.<a class="codeRef" href="qptrlist.html#append">append</a>(&amp;(*it));
<a name="l01002"></a>01002     }
<a name="l01003"></a>01003     <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( (*it).m_mode == StatMode &amp;&amp; (*it).freq &lt; minfreq )
<a name="l01004"></a>01004       minfreq = (*it).freq;
<a name="l01005"></a>01005   }
<a name="l01006"></a>01006 
<a name="l01007"></a>01007   <span class="keywordflow">for</span>(Entry* e=list.<a class="codeRef" href="qptrlist.html#first">first</a>();e;e=list.<a class="codeRef" href="qptrlist.html#next">next</a>())
<a name="l01008"></a>01008     removeEntry(instance, e-&gt;path, 0);
<a name="l01009"></a>01009 
<a name="l01010"></a>01010   <span class="keywordflow">if</span> (minfreq &gt; freq) {
<a name="l01011"></a>01011     <span class="comment">// we can decrease the global polling frequency</span>
<a name="l01012"></a>01012     freq = minfreq;
<a name="l01013"></a>01013     <span class="keywordflow">if</span> (timer-&gt;isActive()) timer-&gt;changeInterval(freq);
<a name="l01014"></a>01014     kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;Poll Freq now &quot;</span> &lt;&lt; freq &lt;&lt; <span class="stringliteral">&quot; msec&quot;</span> &lt;&lt; endl;
<a name="l01015"></a>01015   }
<a name="l01016"></a>01016 }
<a name="l01017"></a>01017 
<a name="l01018"></a>01018 <span class="comment">// instance ==0: stop scanning for all instances</span>
<a name="l01019"></a>01019 <span class="keywordtype">bool</span> KDirWatchPrivate::stopEntryScan( <a class="code" href="classKDirWatch.html" title="Watch directories and files for changes.">KDirWatch</a>* instance, Entry* e)
<a name="l01020"></a>01020 {
<a name="l01021"></a>01021   <span class="keywordtype">int</span> stillWatching = 0;
<a name="l01022"></a>01022   Client* c = e-&gt;m_clients.first();
<a name="l01023"></a>01023   <span class="keywordflow">for</span>(;c;c=e-&gt;m_clients.next()) {
<a name="l01024"></a>01024     <span class="keywordflow">if</span> (!instance || instance == c-&gt;instance)
<a name="l01025"></a>01025       c-&gt;watchingStopped = <span class="keyword">true</span>;
<a name="l01026"></a>01026     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!c-&gt;watchingStopped)
<a name="l01027"></a>01027       stillWatching += c-&gt;count;
<a name="l01028"></a>01028   }
<a name="l01029"></a>01029 
<a name="l01030"></a>01030   kdDebug(7001) &lt;&lt; instance-&gt;<a class="codeRef" href="qobject.html#name">name</a>() &lt;&lt; <span class="stringliteral">&quot; stopped scanning &quot;</span> &lt;&lt; e-&gt;path
<a name="l01031"></a>01031         &lt;&lt; <span class="stringliteral">&quot; (now &quot;</span> &lt;&lt; stillWatching &lt;&lt; <span class="stringliteral">&quot; watchers)&quot;</span> &lt;&lt; endl;
<a name="l01032"></a>01032 
<a name="l01033"></a>01033   <span class="keywordflow">if</span> (stillWatching == 0) {
<a name="l01034"></a>01034     <span class="comment">// if nobody is interested, we don&#39;t watch</span>
<a name="l01035"></a>01035     e-&gt;m_ctime = invalid_ctime; <span class="comment">// invalid</span>
<a name="l01036"></a>01036     e-&gt;m_status = NonExistent;
<a name="l01037"></a>01037     <span class="comment">//    e-&gt;m_status = Normal;</span>
<a name="l01038"></a>01038   }
<a name="l01039"></a>01039   <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01040"></a>01040 }
<a name="l01041"></a>01041 
<a name="l01042"></a>01042 <span class="comment">// instance ==0: start scanning for all instances</span>
<a name="l01043"></a>01043 <span class="keywordtype">bool</span> KDirWatchPrivate::restartEntryScan( <a class="code" href="classKDirWatch.html" title="Watch directories and files for changes.">KDirWatch</a>* instance, Entry* e,
<a name="l01044"></a>01044                      <span class="keywordtype">bool</span> notify)
<a name="l01045"></a>01045 {
<a name="l01046"></a>01046   <span class="keywordtype">int</span> wasWatching = 0, newWatching = 0;
<a name="l01047"></a>01047   Client* c = e-&gt;m_clients.first();
<a name="l01048"></a>01048   <span class="keywordflow">for</span>(;c;c=e-&gt;m_clients.next()) {
<a name="l01049"></a>01049     <span class="keywordflow">if</span> (!c-&gt;watchingStopped)
<a name="l01050"></a>01050       wasWatching += c-&gt;count;
<a name="l01051"></a>01051     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!instance || instance == c-&gt;instance) {
<a name="l01052"></a>01052       c-&gt;watchingStopped = <span class="keyword">false</span>;
<a name="l01053"></a>01053       newWatching += c-&gt;count;
<a name="l01054"></a>01054     }
<a name="l01055"></a>01055   }
<a name="l01056"></a>01056   <span class="keywordflow">if</span> (newWatching == 0)
<a name="l01057"></a>01057     <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01058"></a>01058 
<a name="l01059"></a>01059   kdDebug(7001) &lt;&lt; (instance ? instance-&gt;<a class="codeRef" href="qobject.html#name">name</a>() : <span class="stringliteral">&quot;all&quot;</span>) &lt;&lt; <span class="stringliteral">&quot; restarted scanning &quot;</span> &lt;&lt; e-&gt;path
<a name="l01060"></a>01060         &lt;&lt; <span class="stringliteral">&quot; (now &quot;</span> &lt;&lt; wasWatching+newWatching &lt;&lt; <span class="stringliteral">&quot; watchers)&quot;</span> &lt;&lt; endl;
<a name="l01061"></a>01061 
<a name="l01062"></a>01062   <span class="comment">// restart watching and emit pending events</span>
<a name="l01063"></a>01063 
<a name="l01064"></a>01064   <span class="keywordtype">int</span> ev = NoChange;
<a name="l01065"></a>01065   if (wasWatching == 0) {
<a name="l01066"></a>01066     <span class="keywordflow">if</span> (!notify) {
<a name="l01067"></a>01067       KDE_struct_stat stat_buf;
<a name="l01068"></a>01068       <span class="keywordtype">bool</span> exists = (KDE_stat(<a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>(e-&gt;path), &amp;stat_buf) == 0);
<a name="l01069"></a>01069       <span class="keywordflow">if</span> (exists) {
<a name="l01070"></a>01070     e-&gt;m_ctime = stat_buf.st_ctime;
<a name="l01071"></a>01071     e-&gt;m_status = Normal;
<a name="l01072"></a>01072         e-&gt;m_nlink = stat_buf.st_nlink;
<a name="l01073"></a>01073       }
<a name="l01074"></a>01074       <span class="keywordflow">else</span> {
<a name="l01075"></a>01075     e-&gt;m_ctime = invalid_ctime;
<a name="l01076"></a>01076     e-&gt;m_status = NonExistent;
<a name="l01077"></a>01077         e-&gt;m_nlink = 0;
<a name="l01078"></a>01078       }
<a name="l01079"></a>01079     }
<a name="l01080"></a>01080     e-&gt;msecLeft = 0;
<a name="l01081"></a>01081     ev = scanEntry(e);
<a name="l01082"></a>01082   }
<a name="l01083"></a>01083   emitEvent(e,ev);
<a name="l01084"></a>01084 
<a name="l01085"></a>01085   <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01086"></a>01086 }
<a name="l01087"></a>01087 
<a name="l01088"></a>01088 <span class="comment">// instance ==0: stop scanning for all instances</span>
<a name="l01089"></a>01089 <span class="keywordtype">void</span> KDirWatchPrivate::stopScan(<a class="code" href="classKDirWatch.html" title="Watch directories and files for changes.">KDirWatch</a>* instance)
<a name="l01090"></a>01090 {
<a name="l01091"></a>01091   EntryMap::Iterator it = m_mapEntries.begin();
<a name="l01092"></a>01092   <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it )
<a name="l01093"></a>01093     stopEntryScan(instance, &amp;(*it));
<a name="l01094"></a>01094 }
<a name="l01095"></a>01095 
<a name="l01096"></a>01096 
<a name="l01097"></a>01097 <span class="keywordtype">void</span> KDirWatchPrivate::startScan(<a class="code" href="classKDirWatch.html" title="Watch directories and files for changes.">KDirWatch</a>* instance,
<a name="l01098"></a>01098                  <span class="keywordtype">bool</span> notify, <span class="keywordtype">bool</span> skippedToo )
<a name="l01099"></a>01099 {
<a name="l01100"></a>01100   <span class="keywordflow">if</span> (!notify)
<a name="l01101"></a>01101     resetList(instance,skippedToo);
<a name="l01102"></a>01102 
<a name="l01103"></a>01103   EntryMap::Iterator it = m_mapEntries.begin();
<a name="l01104"></a>01104   <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it )
<a name="l01105"></a>01105     restartEntryScan(instance, &amp;(*it), notify);
<a name="l01106"></a>01106 
<a name="l01107"></a>01107   <span class="comment">// timer should still be running when in polling mode</span>
<a name="l01108"></a>01108 }
<a name="l01109"></a>01109 
<a name="l01110"></a>01110 
<a name="l01111"></a>01111 <span class="comment">// clear all pending events, also from stopped</span>
<a name="l01112"></a>01112 <span class="keywordtype">void</span> KDirWatchPrivate::resetList( <a class="code" href="classKDirWatch.html" title="Watch directories and files for changes.">KDirWatch</a>* <span class="comment">/*instance*/</span>,
<a name="l01113"></a>01113                   <span class="keywordtype">bool</span> skippedToo )
<a name="l01114"></a>01114 {
<a name="l01115"></a>01115   EntryMap::Iterator it = m_mapEntries.begin();
<a name="l01116"></a>01116   <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it ) {
<a name="l01117"></a>01117 
<a name="l01118"></a>01118     Client* c = (*it).m_clients.first();
<a name="l01119"></a>01119     <span class="keywordflow">for</span>(;c;c=(*it).m_clients.next())
<a name="l01120"></a>01120       <span class="keywordflow">if</span> (!c-&gt;watchingStopped || skippedToo)
<a name="l01121"></a>01121     c-&gt;pending = NoChange;
<a name="l01122"></a>01122   }
<a name="l01123"></a>01123 }
<a name="l01124"></a>01124 
<a name="l01125"></a>01125 <span class="comment">// Return event happened on &lt;e&gt;</span>
<a name="l01126"></a>01126 <span class="comment">//</span>
<a name="l01127"></a>01127 <span class="keywordtype">int</span> KDirWatchPrivate::scanEntry(Entry* e)
<a name="l01128"></a>01128 {
<a name="l01129"></a>01129 <span class="preprocessor">#ifdef HAVE_FAM</span>
<a name="l01130"></a>01130 <span class="preprocessor"></span>  <span class="keywordflow">if</span> (e-&gt;m_mode == FAMMode) {
<a name="l01131"></a>01131     <span class="comment">// we know nothing has changed, no need to stat</span>
<a name="l01132"></a>01132     <span class="keywordflow">if</span>(!e-&gt;dirty) <span class="keywordflow">return</span> NoChange;
<a name="l01133"></a>01133     e-&gt;dirty = <span class="keyword">false</span>;
<a name="l01134"></a>01134   }
<a name="l01135"></a>01135 <span class="preprocessor">#endif</span>
<a name="l01136"></a>01136 <span class="preprocessor"></span>
<a name="l01137"></a>01137   <span class="comment">// Shouldn&#39;t happen: Ignore &quot;unknown&quot; notification method</span>
<a name="l01138"></a>01138   <span class="keywordflow">if</span> (e-&gt;m_mode == UnknownMode) <span class="keywordflow">return</span> NoChange;
<a name="l01139"></a>01139 
<a name="l01140"></a>01140 <span class="preprocessor">#if defined ( HAVE_DNOTIFY ) || defined( HAVE_INOTIFY )</span>
<a name="l01141"></a>01141 <span class="preprocessor"></span>  <span class="keywordflow">if</span> (e-&gt;m_mode == DNotifyMode || e-&gt;m_mode == INotifyMode ) {
<a name="l01142"></a>01142     <span class="comment">// we know nothing has changed, no need to stat</span>
<a name="l01143"></a>01143     <span class="keywordflow">if</span>(!e-&gt;dirty) <span class="keywordflow">return</span> NoChange;
<a name="l01144"></a>01144     kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;scanning &quot;</span> &lt;&lt; e-&gt;path &lt;&lt; <span class="stringliteral">&quot; &quot;</span> &lt;&lt; e-&gt;m_status &lt;&lt; <span class="stringliteral">&quot; &quot;</span> &lt;&lt; e-&gt;m_ctime &lt;&lt; endl;
<a name="l01145"></a>01145     e-&gt;dirty = <span class="keyword">false</span>;
<a name="l01146"></a>01146   }
<a name="l01147"></a>01147 <span class="preprocessor">#endif</span>
<a name="l01148"></a>01148 <span class="preprocessor"></span>
<a name="l01149"></a>01149   <span class="keywordflow">if</span> (e-&gt;m_mode == StatMode) {
<a name="l01150"></a>01150     <span class="comment">// only scan if timeout on entry timer happens;</span>
<a name="l01151"></a>01151     <span class="comment">// e.g. when using 500msec global timer, a entry</span>
<a name="l01152"></a>01152     <span class="comment">// with freq=5000 is only watched every 10th time</span>
<a name="l01153"></a>01153 
<a name="l01154"></a>01154     e-&gt;msecLeft -= freq;
<a name="l01155"></a>01155     <span class="keywordflow">if</span> (e-&gt;msecLeft&gt;0) <span class="keywordflow">return</span> NoChange;
<a name="l01156"></a>01156     e-&gt;msecLeft += e-&gt;freq;
<a name="l01157"></a>01157   }
<a name="l01158"></a>01158 
<a name="l01159"></a>01159   KDE_struct_stat stat_buf;
<a name="l01160"></a>01160   <span class="keywordtype">bool</span> exists = (KDE_stat(<a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>(e-&gt;path), &amp;stat_buf) == 0);
<a name="l01161"></a>01161   <span class="keywordflow">if</span> (exists) {
<a name="l01162"></a>01162 
<a name="l01163"></a>01163     <span class="keywordflow">if</span> (e-&gt;m_status == NonExistent) {
<a name="l01164"></a>01164       e-&gt;m_ctime = stat_buf.st_ctime;
<a name="l01165"></a>01165       e-&gt;m_status = Normal;
<a name="l01166"></a>01166       e-&gt;m_nlink = stat_buf.st_nlink;
<a name="l01167"></a>01167       <span class="keywordflow">return</span> Created;
<a name="l01168"></a>01168     }
<a name="l01169"></a>01169 
<a name="l01170"></a>01170     <span class="keywordflow">if</span> ( (e-&gt;m_ctime != invalid_ctime) &amp;&amp;
<a name="l01171"></a>01171      ((stat_buf.st_ctime != e-&gt;m_ctime) ||
<a name="l01172"></a>01172       (stat_buf.st_nlink != (nlink_t) e-&gt;m_nlink)) ) {
<a name="l01173"></a>01173       e-&gt;m_ctime = stat_buf.st_ctime;
<a name="l01174"></a>01174       e-&gt;m_nlink = stat_buf.st_nlink;
<a name="l01175"></a>01175       <span class="keywordflow">return</span> Changed;
<a name="l01176"></a>01176     }
<a name="l01177"></a>01177 
<a name="l01178"></a>01178     <span class="keywordflow">return</span> NoChange;
<a name="l01179"></a>01179   }
<a name="l01180"></a>01180 
<a name="l01181"></a>01181   <span class="comment">// dir/file doesn&#39;t exist</span>
<a name="l01182"></a>01182 
<a name="l01183"></a>01183   <span class="keywordflow">if</span> (e-&gt;m_ctime == invalid_ctime &amp;&amp; e-&gt;m_status == NonExistent) {
<a name="l01184"></a>01184     e-&gt;m_nlink = 0;
<a name="l01185"></a>01185     e-&gt;m_status = NonExistent;
<a name="l01186"></a>01186     <span class="keywordflow">return</span> NoChange;
<a name="l01187"></a>01187   }
<a name="l01188"></a>01188 
<a name="l01189"></a>01189   e-&gt;m_ctime = invalid_ctime;
<a name="l01190"></a>01190   e-&gt;m_nlink = 0;
<a name="l01191"></a>01191   e-&gt;m_status = NonExistent;
<a name="l01192"></a>01192 
<a name="l01193"></a>01193   <span class="keywordflow">return</span> Deleted;
<a name="l01194"></a>01194 }
<a name="l01195"></a>01195 
<a name="l01196"></a>01196 <span class="comment">/* Notify all interested KDirWatch instances about a given event on an entry</span>
<a name="l01197"></a>01197 <span class="comment"> * and stored pending events. When watching is stopped, the event is</span>
<a name="l01198"></a>01198 <span class="comment"> * added to the pending events.</span>
<a name="l01199"></a>01199 <span class="comment"> */</span>
<a name="l01200"></a>01200 <span class="keywordtype">void</span> KDirWatchPrivate::emitEvent(Entry* e, <span class="keywordtype">int</span> event, <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &amp;fileName)
<a name="l01201"></a>01201 {
<a name="l01202"></a>01202   <a class="codeRef" href="qstring.html">QString</a> path = e-&gt;path;
<a name="l01203"></a>01203   <span class="keywordflow">if</span> (!fileName.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>()) {
<a name="l01204"></a>01204     <span class="keywordflow">if</span> (!<a class="codeRef" href="qdir.html#isRelativePath">QDir::isRelativePath</a>(fileName))
<a name="l01205"></a>01205       path = fileName;
<a name="l01206"></a>01206     <span class="keywordflow">else</span>
<a name="l01207"></a>01207 <span class="preprocessor">#ifdef Q_OS_UNIX</span>
<a name="l01208"></a>01208 <span class="preprocessor"></span>      path += <span class="stringliteral">&quot;/&quot;</span> + fileName;
<a name="l01209"></a>01209 <span class="preprocessor">#elif defined(Q_WS_WIN)</span>
<a name="l01210"></a>01210 <span class="preprocessor"></span>      <span class="comment">//current drive is passed instead of /</span>
<a name="l01211"></a>01211       path += <a class="codeRef" href="qdir.html#currentDirPath">QDir::currentDirPath</a>().left(2) + <span class="stringliteral">&quot;/&quot;</span> + fileName;
<a name="l01212"></a>01212 <span class="preprocessor">#endif</span>
<a name="l01213"></a>01213 <span class="preprocessor"></span>  }
<a name="l01214"></a>01214 
<a name="l01215"></a>01215   <a class="codeRef" href="qptrlistiterator.html">QPtrListIterator&lt;Client&gt;</a> cit( e-&gt;m_clients );
<a name="l01216"></a>01216   <span class="keywordflow">for</span> ( ; cit.current(); ++cit )
<a name="l01217"></a>01217   {
<a name="l01218"></a>01218     Client* c = cit.current();
<a name="l01219"></a>01219 
<a name="l01220"></a>01220     <span class="keywordflow">if</span> (c-&gt;instance==0 || c-&gt;count==0) <span class="keywordflow">continue</span>;
<a name="l01221"></a>01221 
<a name="l01222"></a>01222     <span class="keywordflow">if</span> (c-&gt;watchingStopped) {
<a name="l01223"></a>01223       <span class="comment">// add event to pending...</span>
<a name="l01224"></a>01224       <span class="keywordflow">if</span> (event == Changed)
<a name="l01225"></a>01225     c-&gt;pending |= event;
<a name="l01226"></a>01226       <span class="keywordflow">else</span> <span class="keywordflow">if</span> (event == Created || event == Deleted)
<a name="l01227"></a>01227     c-&gt;pending = event;
<a name="l01228"></a>01228       <span class="keywordflow">continue</span>;
<a name="l01229"></a>01229     }
<a name="l01230"></a>01230     <span class="comment">// not stopped</span>
<a name="l01231"></a>01231     <span class="keywordflow">if</span> (event == NoChange || event == Changed)
<a name="l01232"></a>01232       <span class="keyword">event</span> |= c-&gt;pending;
<a name="l01233"></a>01233     c-&gt;pending = NoChange;
<a name="l01234"></a>01234     <span class="keywordflow">if</span> (event == NoChange) <span class="keywordflow">continue</span>;
<a name="l01235"></a>01235 
<a name="l01236"></a>01236     <span class="keywordflow">if</span> (event &amp; Deleted) {
<a name="l01237"></a>01237       c-&gt;instance-&gt;setDeleted(path);
<a name="l01238"></a>01238       <span class="comment">// emit only Deleted event...</span>
<a name="l01239"></a>01239       <span class="keywordflow">continue</span>;
<a name="l01240"></a>01240     }
<a name="l01241"></a>01241 
<a name="l01242"></a>01242     <span class="keywordflow">if</span> (event &amp; Created) {
<a name="l01243"></a>01243       c-&gt;instance-&gt;setCreated(path);
<a name="l01244"></a>01244       <span class="comment">// possible emit Change event after creation</span>
<a name="l01245"></a>01245     }
<a name="l01246"></a>01246 
<a name="l01247"></a>01247     <span class="keywordflow">if</span> (event &amp; Changed)
<a name="l01248"></a>01248       c-&gt;instance-&gt;setDirty(path);
<a name="l01249"></a>01249   }
<a name="l01250"></a>01250 }
<a name="l01251"></a>01251 
<a name="l01252"></a>01252 <span class="comment">// Remove entries which were marked to be removed</span>
<a name="l01253"></a>01253 <span class="keywordtype">void</span> KDirWatchPrivate::slotRemoveDelayed()
<a name="l01254"></a>01254 {
<a name="l01255"></a>01255   Entry* e;
<a name="l01256"></a>01256   delayRemove = <span class="keyword">false</span>;
<a name="l01257"></a>01257   <span class="keywordflow">for</span>(e=removeList.first();e;e=removeList.next())
<a name="l01258"></a>01258     removeEntry(0, e-&gt;path, 0);
<a name="l01259"></a>01259   removeList.clear();
<a name="l01260"></a>01260 }
<a name="l01261"></a>01261 
<a name="l01262"></a>01262 <span class="comment">/* Scan all entries to be watched for changes. This is done regularly</span>
<a name="l01263"></a>01263 <span class="comment"> * when polling and once after a DNOTIFY signal. This is NOT used by FAM.</span>
<a name="l01264"></a>01264 <span class="comment"> */</span>
<a name="l01265"></a>01265 <span class="keywordtype">void</span> KDirWatchPrivate::slotRescan()
<a name="l01266"></a>01266 {
<a name="l01267"></a>01267   EntryMap::Iterator it;
<a name="l01268"></a>01268 
<a name="l01269"></a>01269   <span class="comment">// People can do very long things in the slot connected to dirty(),</span>
<a name="l01270"></a>01270   <span class="comment">// like showing a message box. We don&#39;t want to keep polling during</span>
<a name="l01271"></a>01271   <span class="comment">// that time, otherwise the value of &#39;delayRemove&#39; will be reset.</span>
<a name="l01272"></a>01272   <span class="keywordtype">bool</span> timerRunning = timer-&gt;isActive();
<a name="l01273"></a>01273   <span class="keywordflow">if</span> ( timerRunning )
<a name="l01274"></a>01274     timer-&gt;stop();
<a name="l01275"></a>01275 
<a name="l01276"></a>01276   <span class="comment">// We delay deletions of entries this way.</span>
<a name="l01277"></a>01277   <span class="comment">// removeDir(), when called in slotDirty(), can cause a crash otherwise</span>
<a name="l01278"></a>01278   delayRemove = <span class="keyword">true</span>;
<a name="l01279"></a>01279 
<a name="l01280"></a>01280 <span class="preprocessor">#if defined(HAVE_DNOTIFY) || defined(HAVE_INOTIFY)</span>
<a name="l01281"></a>01281 <span class="preprocessor"></span>  <a class="codeRef" href="qptrlist.html">QPtrList&lt;Entry&gt;</a> dList, cList;
<a name="l01282"></a>01282 <span class="preprocessor">#endif</span>
<a name="l01283"></a>01283 <span class="preprocessor"></span>
<a name="l01284"></a>01284   <span class="keywordflow">if</span> (rescan_all)
<a name="l01285"></a>01285   {
<a name="l01286"></a>01286     <span class="comment">// mark all as dirty</span>
<a name="l01287"></a>01287     it = m_mapEntries.begin();
<a name="l01288"></a>01288     <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it )
<a name="l01289"></a>01289       (*it).dirty = <span class="keyword">true</span>;
<a name="l01290"></a>01290     rescan_all = <span class="keyword">false</span>;
<a name="l01291"></a>01291   }
<a name="l01292"></a>01292   <span class="keywordflow">else</span>
<a name="l01293"></a>01293   {
<a name="l01294"></a>01294     <span class="comment">// progate dirty flag to dependant entries (e.g. file watches)</span>
<a name="l01295"></a>01295     it = m_mapEntries.begin();
<a name="l01296"></a>01296     <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it )
<a name="l01297"></a>01297       <span class="keywordflow">if</span> (((*it).m_mode == INotifyMode || (*it).m_mode == DNotifyMode) &amp;&amp; (*it).dirty )
<a name="l01298"></a>01298         (*it).propagate_dirty();
<a name="l01299"></a>01299   }
<a name="l01300"></a>01300 
<a name="l01301"></a>01301   it = m_mapEntries.begin();
<a name="l01302"></a>01302   <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it ) {
<a name="l01303"></a>01303     <span class="comment">// we don&#39;t check invalid entries (i.e. remove delayed)</span>
<a name="l01304"></a>01304     <span class="keywordflow">if</span> (!(*it).isValid()) <span class="keywordflow">continue</span>;
<a name="l01305"></a>01305 
<a name="l01306"></a>01306     <span class="keywordtype">int</span> ev = scanEntry( &amp;(*it) );
<a name="l01307"></a>01307 
<a name="l01308"></a>01308 
<a name="l01309"></a>01309 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l01310"></a>01310 <span class="preprocessor"></span>    <span class="keywordflow">if</span> ((*it).m_mode == INotifyMode &amp;&amp; ev == Created &amp;&amp; (*it).wd == 0) {
<a name="l01311"></a>01311       cList.<a class="codeRef" href="qptrlist.html#append">append</a>( &amp;(*it) );
<a name="l01312"></a>01312       <span class="keywordflow">if</span> (! useINotify( &amp;(*it) )) {
<a name="l01313"></a>01313         useStat( &amp;(*it) );
<a name="l01314"></a>01314       }
<a name="l01315"></a>01315     }
<a name="l01316"></a>01316 <span class="preprocessor">#endif</span>
<a name="l01317"></a>01317 <span class="preprocessor"></span>
<a name="l01318"></a>01318 <span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l01319"></a>01319 <span class="preprocessor"></span>    <span class="keywordflow">if</span> ((*it).m_mode == DNotifyMode) {
<a name="l01320"></a>01320       <span class="keywordflow">if</span> ((*it).isDir &amp;&amp; (ev == Deleted)) {
<a name="l01321"></a>01321     dList.<a class="codeRef" href="qptrlist.html#append">append</a>( &amp;(*it) );
<a name="l01322"></a>01322 
<a name="l01323"></a>01323     <span class="comment">// must close the FD.</span>
<a name="l01324"></a>01324     <span class="keywordflow">if</span> ((*it).dn_fd) {
<a name="l01325"></a>01325       ::close((*it).dn_fd);
<a name="l01326"></a>01326       fd_Entry.remove((*it).dn_fd);
<a name="l01327"></a>01327       (*it).dn_fd = 0;
<a name="l01328"></a>01328     }
<a name="l01329"></a>01329       }
<a name="l01330"></a>01330 
<a name="l01331"></a>01331       <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((*it).isDir &amp;&amp; (ev == Created)) {
<a name="l01332"></a>01332     <span class="comment">// For created, but yet without DNOTIFYing ...</span>
<a name="l01333"></a>01333     <span class="keywordflow">if</span> ( (*it).dn_fd == 0) {
<a name="l01334"></a>01334       cList.<a class="codeRef" href="qptrlist.html#append">append</a>( &amp;(*it) );
<a name="l01335"></a>01335       <span class="keywordflow">if</span> (! useDNotify( &amp;(*it) )) {
<a name="l01336"></a>01336         <span class="comment">// if DNotify setup fails...</span>
<a name="l01337"></a>01337         useStat( &amp;(*it) );
<a name="l01338"></a>01338       }
<a name="l01339"></a>01339     }
<a name="l01340"></a>01340       }
<a name="l01341"></a>01341     }
<a name="l01342"></a>01342 <span class="preprocessor">#endif</span>
<a name="l01343"></a>01343 <span class="preprocessor"></span>
<a name="l01344"></a>01344     <span class="keywordflow">if</span> ( ev != NoChange )
<a name="l01345"></a>01345       emitEvent( &amp;(*it), ev);
<a name="l01346"></a>01346   }
<a name="l01347"></a>01347 
<a name="l01348"></a>01348 
<a name="l01349"></a>01349 <span class="preprocessor">#if defined(HAVE_DNOTIFY) || defined(HAVE_INOTIFY)</span>
<a name="l01350"></a>01350 <span class="preprocessor"></span>  <span class="comment">// Scan parent of deleted directories for new creation</span>
<a name="l01351"></a>01351   Entry* e;
<a name="l01352"></a>01352   <span class="keywordflow">for</span>(e=dList.<a class="codeRef" href="qptrlist.html#first">first</a>();e;e=dList.<a class="codeRef" href="qptrlist.html#next">next</a>())
<a name="l01353"></a>01353     addEntry(0, <a class="codeRef" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>( e-&gt;path+<span class="stringliteral">&quot;/..&quot;</span>), e, <span class="keyword">true</span>);
<a name="l01354"></a>01354 
<a name="l01355"></a>01355   <span class="comment">// Remove watch of parent of new created directories</span>
<a name="l01356"></a>01356   <span class="keywordflow">for</span>(e=cList.<a class="codeRef" href="qptrlist.html#first">first</a>();e;e=cList.<a class="codeRef" href="qptrlist.html#next">next</a>())
<a name="l01357"></a>01357     removeEntry(0, <a class="codeRef" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>( e-&gt;path+<span class="stringliteral">&quot;/..&quot;</span>), e);
<a name="l01358"></a>01358 <span class="preprocessor">#endif</span>
<a name="l01359"></a>01359 <span class="preprocessor"></span>
<a name="l01360"></a>01360   <span class="keywordflow">if</span> ( timerRunning )
<a name="l01361"></a>01361     timer-&gt;start(freq);
<a name="l01362"></a>01362 
<a name="l01363"></a>01363   <a class="codeRef" href="qtimer.html#singleShot">QTimer::singleShot</a>(0, <span class="keyword">this</span>, SLOT(slotRemoveDelayed()));
<a name="l01364"></a>01364 }
<a name="l01365"></a>01365 
<a name="l01366"></a>01366 <span class="keywordtype">bool</span> KDirWatchPrivate::isNoisyFile( <span class="keyword">const</span> <span class="keywordtype">char</span> * filename )
<a name="l01367"></a>01367 {
<a name="l01368"></a>01368   <span class="comment">// $HOME/.X.err grows with debug output, so don&#39;t notify change</span>
<a name="l01369"></a>01369   <span class="keywordflow">if</span> ( *filename == <span class="charliteral">&#39;.&#39;</span>) {
<a name="l01370"></a>01370     <span class="keywordflow">if</span> (strncmp(filename, <span class="stringliteral">&quot;.X.err&quot;</span>, 6) == 0) <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01371"></a>01371     <span class="keywordflow">if</span> (strncmp(filename, <span class="stringliteral">&quot;.xsession-errors&quot;</span>, 16) == 0) <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01372"></a>01372     <span class="comment">// fontconfig updates the cache on every KDE app start</span>
<a name="l01373"></a>01373     <span class="comment">// (inclusive kio_thumbnail slaves)</span>
<a name="l01374"></a>01374     <span class="keywordflow">if</span> (strncmp(filename, <span class="stringliteral">&quot;.fonts.cache&quot;</span>, 12) == 0) <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01375"></a>01375   }
<a name="l01376"></a>01376 
<a name="l01377"></a>01377   <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01378"></a>01378 }
<a name="l01379"></a>01379 
<a name="l01380"></a>01380 <span class="preprocessor">#ifdef HAVE_FAM</span>
<a name="l01381"></a>01381 <span class="preprocessor"></span><span class="keywordtype">void</span> KDirWatchPrivate::famEventReceived()
<a name="l01382"></a>01382 {
<a name="l01383"></a>01383   <span class="keyword">static</span> FAMEvent fe;
<a name="l01384"></a>01384 
<a name="l01385"></a>01385   delayRemove = <span class="keyword">true</span>;
<a name="l01386"></a>01386 
<a name="l01387"></a>01387   <span class="keywordflow">while</span>(use_fam &amp;&amp; FAMPending(&amp;fc)) {
<a name="l01388"></a>01388     <span class="keywordflow">if</span> (FAMNextEvent(&amp;fc, &amp;fe) == -1) {
<a name="l01389"></a>01389       kdWarning(7001) &lt;&lt; <span class="stringliteral">&quot;FAM connection problem, switching to polling.&quot;</span>
<a name="l01390"></a>01390               &lt;&lt; endl;
<a name="l01391"></a>01391       use_fam = <span class="keyword">false</span>;
<a name="l01392"></a>01392       <span class="keyword">delete</span> sn; sn = 0;
<a name="l01393"></a>01393 
<a name="l01394"></a>01394       <span class="comment">// Replace all FAMMode entries with DNotify/Stat</span>
<a name="l01395"></a>01395       EntryMap::Iterator it;
<a name="l01396"></a>01396       it = m_mapEntries.begin();
<a name="l01397"></a>01397       <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it )
<a name="l01398"></a>01398     <span class="keywordflow">if</span> ((*it).m_mode == FAMMode &amp;&amp; (*it).m_clients.count()&gt;0) {
<a name="l01399"></a>01399 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l01400"></a>01400 <span class="preprocessor"></span>      <span class="keywordflow">if</span> (useINotify( &amp;(*it) )) <span class="keywordflow">continue</span>;
<a name="l01401"></a>01401 <span class="preprocessor">#endif</span>
<a name="l01402"></a>01402 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l01403"></a>01403 <span class="preprocessor"></span>      <span class="keywordflow">if</span> (useDNotify( &amp;(*it) )) <span class="keywordflow">continue</span>;
<a name="l01404"></a>01404 <span class="preprocessor">#endif</span>
<a name="l01405"></a>01405 <span class="preprocessor"></span>      useStat( &amp;(*it) );
<a name="l01406"></a>01406     }
<a name="l01407"></a>01407     }
<a name="l01408"></a>01408     <span class="keywordflow">else</span>
<a name="l01409"></a>01409       checkFAMEvent(&amp;fe);
<a name="l01410"></a>01410   }
<a name="l01411"></a>01411 
<a name="l01412"></a>01412   <a class="codeRef" href="qtimer.html#singleShot">QTimer::singleShot</a>(0, <span class="keyword">this</span>, SLOT(slotRemoveDelayed()));
<a name="l01413"></a>01413 }
<a name="l01414"></a>01414 
<a name="l01415"></a>01415 <span class="keywordtype">void</span> KDirWatchPrivate::checkFAMEvent(FAMEvent* fe)
<a name="l01416"></a>01416 {
<a name="l01417"></a>01417   <span class="comment">// Don&#39;t be too verbose ;-)</span>
<a name="l01418"></a>01418   <span class="keywordflow">if</span> ((fe-&gt;code == FAMExists) ||
<a name="l01419"></a>01419       (fe-&gt;code == FAMEndExist) ||
<a name="l01420"></a>01420       (fe-&gt;code == FAMAcknowledge)) <span class="keywordflow">return</span>;
<a name="l01421"></a>01421 
<a name="l01422"></a>01422   <span class="keywordflow">if</span> ( isNoisyFile( fe-&gt;filename ) )
<a name="l01423"></a>01423     <span class="keywordflow">return</span>;
<a name="l01424"></a>01424 
<a name="l01425"></a>01425   Entry* e = 0;
<a name="l01426"></a>01426   EntryMap::Iterator it = m_mapEntries.begin();
<a name="l01427"></a>01427   <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it )
<a name="l01428"></a>01428     <span class="keywordflow">if</span> (FAMREQUEST_GETREQNUM(&amp;( (*it).fr )) ==
<a name="l01429"></a>01429        FAMREQUEST_GETREQNUM(&amp;(fe-&gt;fr)) ) {
<a name="l01430"></a>01430       e = &amp;(*it);
<a name="l01431"></a>01431       <span class="keywordflow">break</span>;
<a name="l01432"></a>01432     }
<a name="l01433"></a>01433 
<a name="l01434"></a>01434   <span class="comment">// Entry* e = static_cast&lt;Entry*&gt;(fe-&gt;userdata);</span>
<a name="l01435"></a>01435 
<a name="l01436"></a>01436 <span class="preprocessor">#if 0 // #88538</span>
<a name="l01437"></a>01437 <span class="preprocessor"></span>  kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;Processing FAM event (&quot;</span>
<a name="l01438"></a>01438         &lt;&lt; ((fe-&gt;code == FAMChanged) ? <span class="stringliteral">&quot;FAMChanged&quot;</span> :
<a name="l01439"></a>01439             (fe-&gt;code == FAMDeleted) ? <span class="stringliteral">&quot;FAMDeleted&quot;</span> :
<a name="l01440"></a>01440             (fe-&gt;code == FAMStartExecuting) ? <span class="stringliteral">&quot;FAMStartExecuting&quot;</span> :
<a name="l01441"></a>01441             (fe-&gt;code == FAMStopExecuting) ? <span class="stringliteral">&quot;FAMStopExecuting&quot;</span> :
<a name="l01442"></a>01442             (fe-&gt;code == FAMCreated) ? <span class="stringliteral">&quot;FAMCreated&quot;</span> :
<a name="l01443"></a>01443             (fe-&gt;code == FAMMoved) ? <span class="stringliteral">&quot;FAMMoved&quot;</span> :
<a name="l01444"></a>01444             (fe-&gt;code == FAMAcknowledge) ? <span class="stringliteral">&quot;FAMAcknowledge&quot;</span> :
<a name="l01445"></a>01445             (fe-&gt;code == FAMExists) ? <span class="stringliteral">&quot;FAMExists&quot;</span> :
<a name="l01446"></a>01446             (fe-&gt;code == FAMEndExist) ? <span class="stringliteral">&quot;FAMEndExist&quot;</span> : <span class="stringliteral">&quot;Unknown Code&quot;</span>)
<a name="l01447"></a>01447         &lt;&lt; <span class="stringliteral">&quot;, &quot;</span> &lt;&lt; fe-&gt;filename
<a name="l01448"></a>01448         &lt;&lt; <span class="stringliteral">&quot;, Req &quot;</span> &lt;&lt; FAMREQUEST_GETREQNUM(&amp;(fe-&gt;fr))
<a name="l01449"></a>01449         &lt;&lt; <span class="stringliteral">&quot;)&quot;</span> &lt;&lt; endl;
<a name="l01450"></a>01450 <span class="preprocessor">#endif</span>
<a name="l01451"></a>01451 <span class="preprocessor"></span>
<a name="l01452"></a>01452   <span class="keywordflow">if</span> (!e) {
<a name="l01453"></a>01453     <span class="comment">// this happens e.g. for FAMAcknowledge after deleting a dir...</span>
<a name="l01454"></a>01454     <span class="comment">//    kdDebug(7001) &lt;&lt; &quot;No entry for FAM event ?!&quot; &lt;&lt; endl;</span>
<a name="l01455"></a>01455     <span class="keywordflow">return</span>;
<a name="l01456"></a>01456   }
<a name="l01457"></a>01457 
<a name="l01458"></a>01458   <span class="keywordflow">if</span> (e-&gt;m_status == NonExistent) {
<a name="l01459"></a>01459     kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;FAM event for nonExistent entry &quot;</span> &lt;&lt; e-&gt;path &lt;&lt; endl;
<a name="l01460"></a>01460     <span class="keywordflow">return</span>;
<a name="l01461"></a>01461   }
<a name="l01462"></a>01462 
<a name="l01463"></a>01463   <span class="comment">// Delayed handling. This rechecks changes with own stat calls.</span>
<a name="l01464"></a>01464   e-&gt;dirty = <span class="keyword">true</span>;
<a name="l01465"></a>01465   <span class="keywordflow">if</span> (!rescan_timer.isActive())
<a name="l01466"></a>01466     rescan_timer.start(m_PollInterval, <span class="keyword">true</span>);
<a name="l01467"></a>01467 
<a name="l01468"></a>01468   <span class="comment">// needed FAM control actions on FAM events</span>
<a name="l01469"></a>01469   <span class="keywordflow">if</span> (e-&gt;isDir)
<a name="l01470"></a>01470     <span class="keywordflow">switch</span> (fe-&gt;code)
<a name="l01471"></a>01471     {
<a name="l01472"></a>01472       <span class="keywordflow">case</span> FAMDeleted:
<a name="l01473"></a>01473        <span class="comment">// file absolute: watched dir</span>
<a name="l01474"></a>01474         <span class="keywordflow">if</span> (!<a class="codeRef" href="qdir.html#isRelativePath">QDir::isRelativePath</a>(fe-&gt;filename))
<a name="l01475"></a>01475         {
<a name="l01476"></a>01476           <span class="comment">// a watched directory was deleted</span>
<a name="l01477"></a>01477 
<a name="l01478"></a>01478           e-&gt;m_status = NonExistent;
<a name="l01479"></a>01479           FAMCancelMonitor(&amp;fc, &amp;(e-&gt;fr) ); <span class="comment">// needed ?</span>
<a name="l01480"></a>01480           kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;Cancelled FAMReq &quot;</span>
<a name="l01481"></a>01481                         &lt;&lt; FAMREQUEST_GETREQNUM(&amp;(e-&gt;fr))
<a name="l01482"></a>01482                         &lt;&lt; <span class="stringliteral">&quot; for &quot;</span> &lt;&lt; e-&gt;path &lt;&lt; endl;
<a name="l01483"></a>01483           <span class="comment">// Scan parent for a new creation</span>
<a name="l01484"></a>01484           addEntry(0, <a class="codeRef" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>( e-&gt;path+<span class="stringliteral">&quot;/..&quot;</span>), e, <span class="keyword">true</span>);
<a name="l01485"></a>01485         }
<a name="l01486"></a>01486         <span class="keywordflow">break</span>;
<a name="l01487"></a>01487 
<a name="l01488"></a>01488       <span class="keywordflow">case</span> FAMCreated: {
<a name="l01489"></a>01489           <span class="comment">// check for creation of a directory we have to watch</span>
<a name="l01490"></a>01490           Entry *sub_entry = e-&gt;m_entries.first();
<a name="l01491"></a>01491           <span class="keywordflow">for</span>(;sub_entry; sub_entry = e-&gt;m_entries.next())
<a name="l01492"></a>01492             <span class="keywordflow">if</span> (sub_entry-&gt;path == e-&gt;path + <span class="stringliteral">&quot;/&quot;</span> + fe-&gt;filename) <span class="keywordflow">break</span>;
<a name="l01493"></a>01493           <span class="keywordflow">if</span> (sub_entry &amp;&amp; sub_entry-&gt;isDir) {
<a name="l01494"></a>01494             <a class="codeRef" href="qstring.html">QString</a> path = e-&gt;path;
<a name="l01495"></a>01495             removeEntry(0,e-&gt;path,sub_entry); <span class="comment">// &lt;e&gt; can be invalid here!!</span>
<a name="l01496"></a>01496             sub_entry-&gt;m_status = Normal;
<a name="l01497"></a>01497             <span class="keywordflow">if</span> (!useFAM(sub_entry))
<a name="l01498"></a>01498 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l01499"></a>01499 <span class="preprocessor"></span>              <span class="keywordflow">if</span> (!useINotify(sub_entry ))
<a name="l01500"></a>01500 <span class="preprocessor">#endif</span>
<a name="l01501"></a>01501 <span class="preprocessor"></span>                useStat(sub_entry);
<a name="l01502"></a>01502           }
<a name="l01503"></a>01503           <span class="keywordflow">break</span>;
<a name="l01504"></a>01504         }
<a name="l01505"></a>01505 
<a name="l01506"></a>01506       <span class="keywordflow">default</span>:
<a name="l01507"></a>01507         <span class="keywordflow">break</span>;
<a name="l01508"></a>01508     }
<a name="l01509"></a>01509 }
<a name="l01510"></a>01510 <span class="preprocessor">#else</span>
<a name="l01511"></a>01511 <span class="preprocessor"></span><span class="keywordtype">void</span> KDirWatchPrivate::famEventReceived() {}
<a name="l01512"></a>01512 <span class="preprocessor">#endif</span>
<a name="l01513"></a>01513 <span class="preprocessor"></span>
<a name="l01514"></a>01514 
<a name="l01515"></a>01515 <span class="keywordtype">void</span> KDirWatchPrivate::statistics()
<a name="l01516"></a>01516 {
<a name="l01517"></a>01517   EntryMap::Iterator it;
<a name="l01518"></a>01518 
<a name="l01519"></a>01519   kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;Entries watched:&quot;</span> &lt;&lt; endl;
<a name="l01520"></a>01520   <span class="keywordflow">if</span> (m_mapEntries.count()==0) {
<a name="l01521"></a>01521     kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;  None.&quot;</span> &lt;&lt; endl;
<a name="l01522"></a>01522   }
<a name="l01523"></a>01523   <span class="keywordflow">else</span> {
<a name="l01524"></a>01524     it = m_mapEntries.begin();
<a name="l01525"></a>01525     <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it ) {
<a name="l01526"></a>01526       Entry* e = &amp;(*it);
<a name="l01527"></a>01527       kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;  &quot;</span> &lt;&lt; e-&gt;path &lt;&lt; <span class="stringliteral">&quot; (&quot;</span>
<a name="l01528"></a>01528             &lt;&lt; ((e-&gt;m_status==Normal)?<span class="stringliteral">&quot;&quot;</span>:<span class="stringliteral">&quot;Nonexistent &quot;</span>)
<a name="l01529"></a>01529             &lt;&lt; (e-&gt;isDir ? <span class="stringliteral">&quot;Dir&quot;</span>:<span class="stringliteral">&quot;File&quot;</span>) &lt;&lt; <span class="stringliteral">&quot;, using &quot;</span>
<a name="l01530"></a>01530             &lt;&lt; ((e-&gt;m_mode == FAMMode) ? <span class="stringliteral">&quot;FAM&quot;</span> :
<a name="l01531"></a>01531                         (e-&gt;m_mode == INotifyMode) ? <span class="stringliteral">&quot;INotify&quot;</span> :
<a name="l01532"></a>01532             (e-&gt;m_mode == DNotifyMode) ? <span class="stringliteral">&quot;DNotify&quot;</span> :
<a name="l01533"></a>01533             (e-&gt;m_mode == StatMode) ? <span class="stringliteral">&quot;Stat&quot;</span> : <span class="stringliteral">&quot;Unknown Method&quot;</span>)
<a name="l01534"></a>01534             &lt;&lt; <span class="stringliteral">&quot;)&quot;</span> &lt;&lt; endl;
<a name="l01535"></a>01535 
<a name="l01536"></a>01536       Client* c = e-&gt;m_clients.first();
<a name="l01537"></a>01537       <span class="keywordflow">for</span>(;c; c = e-&gt;m_clients.next()) {
<a name="l01538"></a>01538     <a class="codeRef" href="qstring.html">QString</a> pending;
<a name="l01539"></a>01539     <span class="keywordflow">if</span> (c-&gt;watchingStopped) {
<a name="l01540"></a>01540       <span class="keywordflow">if</span> (c-&gt;pending &amp; Deleted) pending += <span class="stringliteral">&quot;deleted &quot;</span>;
<a name="l01541"></a>01541       <span class="keywordflow">if</span> (c-&gt;pending &amp; Created) pending += <span class="stringliteral">&quot;created &quot;</span>;
<a name="l01542"></a>01542       <span class="keywordflow">if</span> (c-&gt;pending &amp; Changed) pending += <span class="stringliteral">&quot;changed &quot;</span>;
<a name="l01543"></a>01543       <span class="keywordflow">if</span> (!pending.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>()) pending = <span class="stringliteral">&quot; (pending: &quot;</span> + pending + <span class="stringliteral">&quot;)&quot;</span>;
<a name="l01544"></a>01544       pending = <span class="stringliteral">&quot;, stopped&quot;</span> + pending;
<a name="l01545"></a>01545     }
<a name="l01546"></a>01546     kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;    by &quot;</span> &lt;&lt; c-&gt;instance-&gt;name()
<a name="l01547"></a>01547               &lt;&lt; <span class="stringliteral">&quot; (&quot;</span> &lt;&lt; c-&gt;count &lt;&lt; <span class="stringliteral">&quot; times)&quot;</span>
<a name="l01548"></a>01548               &lt;&lt; pending &lt;&lt; endl;
<a name="l01549"></a>01549       }
<a name="l01550"></a>01550       <span class="keywordflow">if</span> (e-&gt;m_entries.count()&gt;0) {
<a name="l01551"></a>01551     kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;    dependent entries:&quot;</span> &lt;&lt; endl;
<a name="l01552"></a>01552     Entry* d = e-&gt;m_entries.first();
<a name="l01553"></a>01553     <span class="keywordflow">for</span>(;d; d = e-&gt;m_entries.next()) {
<a name="l01554"></a>01554           kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;      &quot;</span> &lt;&lt; d &lt;&lt; endl;
<a name="l01555"></a>01555       kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;      &quot;</span> &lt;&lt; d-&gt;path &lt;&lt; <span class="stringliteral">&quot; (&quot;</span> &lt;&lt; d &lt;&lt; <span class="stringliteral">&quot;) &quot;</span> &lt;&lt; endl;
<a name="l01556"></a>01556     }
<a name="l01557"></a>01557       }
<a name="l01558"></a>01558     }
<a name="l01559"></a>01559   }
<a name="l01560"></a>01560 }
<a name="l01561"></a>01561 
<a name="l01562"></a>01562 
<a name="l01563"></a>01563 <span class="comment">//</span>
<a name="l01564"></a>01564 <span class="comment">// Class KDirWatch</span>
<a name="l01565"></a>01565 <span class="comment">//</span>
<a name="l01566"></a>01566 
<a name="l01567"></a>01567 <span class="keyword">static</span> KStaticDeleter&lt;KDirWatch&gt; sd_dw;
<a name="l01568"></a>01568 <a class="code" href="classKDirWatch.html" title="Watch directories and files for changes.">KDirWatch</a>* KDirWatch::s_pSelf = 0L;
<a name="l01569"></a>01569 
<a name="l01570"></a><a class="code" href="classKDirWatch.html#a599b7ca7a1882b16fb898c5a29853936">01570</a> <a class="code" href="classKDirWatch.html" title="Watch directories and files for changes.">KDirWatch</a>* <a class="code" href="classKDirWatch.html#a599b7ca7a1882b16fb898c5a29853936" title="The KDirWatch instance usually globally used in an application.">KDirWatch::self</a>()
<a name="l01571"></a>01571 {
<a name="l01572"></a>01572   <span class="keywordflow">if</span> ( !s_pSelf ) {
<a name="l01573"></a>01573     sd_dw.setObject( s_pSelf, <span class="keyword">new</span> <a class="code" href="classKDirWatch.html" title="Watch directories and files for changes.">KDirWatch</a> );
<a name="l01574"></a>01574   }
<a name="l01575"></a>01575 
<a name="l01576"></a>01576   <span class="keywordflow">return</span> s_pSelf;
<a name="l01577"></a>01577 }
<a name="l01578"></a>01578 
<a name="l01579"></a><a class="code" href="classKDirWatch.html#a820423bac0bda71473e2365b37c921b1">01579</a> <span class="keywordtype">bool</span> <a class="code" href="classKDirWatch.html#a820423bac0bda71473e2365b37c921b1" title="Returns true if there is an instance of KDirWatch.">KDirWatch::exists</a>()
<a name="l01580"></a>01580 {
<a name="l01581"></a>01581   <span class="keywordflow">return</span> s_pSelf != 0;
<a name="l01582"></a>01582 }
<a name="l01583"></a>01583 
<a name="l01584"></a><a class="code" href="classKDirWatch.html#ad598a2a34a304d642382939a1ba6952e">01584</a> <a class="code" href="classKDirWatch.html#ad598a2a34a304d642382939a1ba6952e" title="Constructor.">KDirWatch::KDirWatch</a> (<a class="codeRef" href="qobject.html">QObject</a>* parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name)
<a name="l01585"></a>01585   : <a class="codeRef" href="qobject.html">QObject</a>(parent,name)
<a name="l01586"></a>01586 {
<a name="l01587"></a>01587   <span class="keywordflow">if</span> (!name) {
<a name="l01588"></a>01588     <span class="keyword">static</span> <span class="keywordtype">int</span> nameCounter = 0;
<a name="l01589"></a>01589 
<a name="l01590"></a>01590     nameCounter++;
<a name="l01591"></a>01591     <a class="codeRef" href="qobject.html#setName">setName</a>(<a class="codeRef" href="qstring.html">QString</a>(<span class="stringliteral">&quot;KDirWatch-%1&quot;</span>).arg(nameCounter).ascii());
<a name="l01592"></a>01592   }
<a name="l01593"></a>01593 
<a name="l01594"></a>01594   <span class="keywordflow">if</span> (!dwp_self)
<a name="l01595"></a>01595     dwp_self = <span class="keyword">new</span> KDirWatchPrivate;
<a name="l01596"></a>01596   d = dwp_self;
<a name="l01597"></a>01597   d-&gt;ref();
<a name="l01598"></a>01598 
<a name="l01599"></a>01599   _isStopped = <span class="keyword">false</span>;
<a name="l01600"></a>01600 }
<a name="l01601"></a>01601 
<a name="l01602"></a><a class="code" href="classKDirWatch.html#a99a1c9ee75410346b8b2593684ce9750">01602</a> <a class="code" href="classKDirWatch.html#a99a1c9ee75410346b8b2593684ce9750" title="Destructor.">KDirWatch::~KDirWatch</a>()
<a name="l01603"></a>01603 {
<a name="l01604"></a>01604   d-&gt;removeEntries(<span class="keyword">this</span>);
<a name="l01605"></a>01605   <span class="keywordflow">if</span> ( d-&gt;deref() )
<a name="l01606"></a>01606   {
<a name="l01607"></a>01607     <span class="comment">// delete it if it&#39;s the last one</span>
<a name="l01608"></a>01608     <span class="keyword">delete</span> d;
<a name="l01609"></a>01609     dwp_self = 0L;
<a name="l01610"></a>01610   }
<a name="l01611"></a>01611 }
<a name="l01612"></a>01612 
<a name="l01613"></a>01613 
<a name="l01614"></a>01614 <span class="comment">// TODO: add watchFiles/recursive support</span>
<a name="l01615"></a><a class="code" href="classKDirWatch.html#a4e4e36f3752adb0398d9559f5dde47e7">01615</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#a4e4e36f3752adb0398d9559f5dde47e7" title="Adds a directory to be watched.">KDirWatch::addDir</a>( <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>&amp; _path,
<a name="l01616"></a>01616             <span class="keywordtype">bool</span> watchFiles, <span class="keywordtype">bool</span> recursive)
<a name="l01617"></a>01617 {
<a name="l01618"></a>01618   <span class="keywordflow">if</span> (watchFiles || recursive) {
<a name="l01619"></a>01619     kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;addDir - recursive/watchFiles not supported yet in KDE 3.x&quot;</span> &lt;&lt; endl;
<a name="l01620"></a>01620   }
<a name="l01621"></a>01621   <span class="keywordflow">if</span> (d) d-&gt;addEntry(<span class="keyword">this</span>, _path, 0, <span class="keyword">true</span>);
<a name="l01622"></a>01622 }
<a name="l01623"></a>01623 
<a name="l01624"></a><a class="code" href="classKDirWatch.html#a0a0c54da2139a0bf563ad4216e005ff6">01624</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#a0a0c54da2139a0bf563ad4216e005ff6" title="Adds a file to be watched.">KDirWatch::addFile</a>( <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>&amp; _path )
<a name="l01625"></a>01625 {
<a name="l01626"></a>01626   <span class="keywordflow">if</span> (d) d-&gt;addEntry(<span class="keyword">this</span>, _path, 0, <span class="keyword">false</span>);
<a name="l01627"></a>01627 }
<a name="l01628"></a>01628 
<a name="l01629"></a><a class="code" href="classKDirWatch.html#a589e2a328dacfb7b5754558350e5017a">01629</a> <a class="codeRef" href="qdatetime.html">QDateTime</a> <a class="code" href="classKDirWatch.html#a589e2a328dacfb7b5754558350e5017a" title="Returns the time the directory/file was last changed.">KDirWatch::ctime</a>( <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &amp;_path )
<a name="l01630"></a>01630 {
<a name="l01631"></a>01631   KDirWatchPrivate::Entry* e = d-&gt;entry(_path);
<a name="l01632"></a>01632 
<a name="l01633"></a>01633   <span class="keywordflow">if</span> (!e)
<a name="l01634"></a>01634     <span class="keywordflow">return</span> <a class="codeRef" href="qdatetime.html">QDateTime</a>();
<a name="l01635"></a>01635 
<a name="l01636"></a>01636   <a class="codeRef" href="qdatetime.html">QDateTime</a> result;
<a name="l01637"></a>01637   result.<a class="codeRef" href="qdatetime.html#setTime_t">setTime_t</a>(e-&gt;m_ctime);
<a name="l01638"></a>01638   <span class="keywordflow">return</span> result;
<a name="l01639"></a>01639 }
<a name="l01640"></a>01640 
<a name="l01641"></a><a class="code" href="classKDirWatch.html#a601a6452633708e2527e950417c20298">01641</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#a601a6452633708e2527e950417c20298" title="Removes a directory from the list of scanned directories.">KDirWatch::removeDir</a>( <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>&amp; _path )
<a name="l01642"></a>01642 {
<a name="l01643"></a>01643   <span class="keywordflow">if</span> (d) d-&gt;removeEntry(<span class="keyword">this</span>, _path, 0);
<a name="l01644"></a>01644 }
<a name="l01645"></a>01645 
<a name="l01646"></a><a class="code" href="classKDirWatch.html#a4093ed4d2faea496dadc952bf3a346b6">01646</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#a4093ed4d2faea496dadc952bf3a346b6" title="Removes a file from the list of watched files.">KDirWatch::removeFile</a>( <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>&amp; _path )
<a name="l01647"></a>01647 {
<a name="l01648"></a>01648   <span class="keywordflow">if</span> (d) d-&gt;removeEntry(<span class="keyword">this</span>, _path, 0);
<a name="l01649"></a>01649 }
<a name="l01650"></a>01650 
<a name="l01651"></a><a class="code" href="classKDirWatch.html#a4f3b2fba0615bd4fb4b8f4eb35680433">01651</a> <span class="keywordtype">bool</span> <a class="code" href="classKDirWatch.html#a4f3b2fba0615bd4fb4b8f4eb35680433" title="Stops scanning the specified path.">KDirWatch::stopDirScan</a>( <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>&amp; _path )
<a name="l01652"></a>01652 {
<a name="l01653"></a>01653   <span class="keywordflow">if</span> (d) {
<a name="l01654"></a>01654     KDirWatchPrivate::Entry *e = d-&gt;entry(_path);
<a name="l01655"></a>01655     <span class="keywordflow">if</span> (e &amp;&amp; e-&gt;isDir) <span class="keywordflow">return</span> d-&gt;stopEntryScan(<span class="keyword">this</span>, e);
<a name="l01656"></a>01656   }
<a name="l01657"></a>01657   <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01658"></a>01658 }
<a name="l01659"></a>01659 
<a name="l01660"></a><a class="code" href="classKDirWatch.html#aef498d8aa538183540f5251be707118f">01660</a> <span class="keywordtype">bool</span> <a class="code" href="classKDirWatch.html#aef498d8aa538183540f5251be707118f" title="Restarts scanning for specified path.">KDirWatch::restartDirScan</a>( <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>&amp; _path )
<a name="l01661"></a>01661 {
<a name="l01662"></a>01662   <span class="keywordflow">if</span> (d) {
<a name="l01663"></a>01663     KDirWatchPrivate::Entry *e = d-&gt;entry(_path);
<a name="l01664"></a>01664     <span class="keywordflow">if</span> (e &amp;&amp; e-&gt;isDir)
<a name="l01665"></a>01665       <span class="comment">// restart without notifying pending events</span>
<a name="l01666"></a>01666       <span class="keywordflow">return</span> d-&gt;restartEntryScan(<span class="keyword">this</span>, e, <span class="keyword">false</span>);
<a name="l01667"></a>01667   }
<a name="l01668"></a>01668   <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01669"></a>01669 }
<a name="l01670"></a>01670 
<a name="l01671"></a><a class="code" href="classKDirWatch.html#a0eee71d6029b224692a73031cbe720ba">01671</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#a0eee71d6029b224692a73031cbe720ba" title="Stops scanning of all directories in internal list.">KDirWatch::stopScan</a>()
<a name="l01672"></a>01672 {
<a name="l01673"></a>01673   <span class="keywordflow">if</span> (d) d-&gt;stopScan(<span class="keyword">this</span>);
<a name="l01674"></a>01674   _isStopped = <span class="keyword">true</span>;
<a name="l01675"></a>01675 }
<a name="l01676"></a>01676 
<a name="l01677"></a><a class="code" href="classKDirWatch.html#a7c18b6a35b96200210d9dece988e6d90">01677</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#a7c18b6a35b96200210d9dece988e6d90" title="Starts scanning of all dirs in list.">KDirWatch::startScan</a>( <span class="keywordtype">bool</span> notify, <span class="keywordtype">bool</span> skippedToo )
<a name="l01678"></a>01678 {
<a name="l01679"></a>01679   _isStopped = <span class="keyword">false</span>;
<a name="l01680"></a>01680   <span class="keywordflow">if</span> (d) d-&gt;startScan(<span class="keyword">this</span>, notify, skippedToo);
<a name="l01681"></a>01681 }
<a name="l01682"></a>01682 
<a name="l01683"></a>01683 
<a name="l01684"></a><a class="code" href="classKDirWatch.html#a04760373cb32d2575ec00e53a5361db4">01684</a> <span class="keywordtype">bool</span> <a class="code" href="classKDirWatch.html#a04760373cb32d2575ec00e53a5361db4" title="Check if a directory is being watched by this KDirWatch instance.">KDirWatch::contains</a>( <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>&amp; _path )<span class="keyword"> const</span>
<a name="l01685"></a>01685 <span class="keyword"></span>{
<a name="l01686"></a>01686   KDirWatchPrivate::Entry* e = d-&gt;entry(_path);
<a name="l01687"></a>01687   <span class="keywordflow">if</span> (!e)
<a name="l01688"></a>01688      <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01689"></a>01689 
<a name="l01690"></a>01690   KDirWatchPrivate::Client* c = e-&gt;m_clients.first();
<a name="l01691"></a>01691   <span class="keywordflow">for</span>(;c;c=e-&gt;m_clients.next())
<a name="l01692"></a>01692     <span class="keywordflow">if</span> (c-&gt;instance == <span class="keyword">this</span>) <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01693"></a>01693 
<a name="l01694"></a>01694   <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01695"></a>01695 }
<a name="l01696"></a>01696 
<a name="l01697"></a><a class="code" href="classKDirWatch.html#a540fc83c8c0e8f2508f09d83fda8ca09">01697</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#a540fc83c8c0e8f2508f09d83fda8ca09" title="Dump statistic information about all KDirWatch instances.">KDirWatch::statistics</a>()
<a name="l01698"></a>01698 {
<a name="l01699"></a>01699   <span class="keywordflow">if</span> (!dwp_self) {
<a name="l01700"></a>01700     kdDebug(7001) &lt;&lt; <span class="stringliteral">&quot;KDirWatch not used&quot;</span> &lt;&lt; endl;
<a name="l01701"></a>01701     <span class="keywordflow">return</span>;
<a name="l01702"></a>01702   }
<a name="l01703"></a>01703   dwp_self-&gt;statistics();
<a name="l01704"></a>01704 }
<a name="l01705"></a>01705 
<a name="l01706"></a>01706 
<a name="l01707"></a><a class="code" href="classKDirWatch.html#a0ecc3e6ee57a20b4e20d2b25fa73c440">01707</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#a0ecc3e6ee57a20b4e20d2b25fa73c440" title="Emits created().">KDirWatch::setCreated</a>( <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &amp; _file )
<a name="l01708"></a>01708 {
<a name="l01709"></a>01709   kdDebug(7001) &lt;&lt; <a class="codeRef" href="qobject.html#name">name</a>() &lt;&lt; <span class="stringliteral">&quot; emitting created &quot;</span> &lt;&lt; _file &lt;&lt; endl;
<a name="l01710"></a>01710   emit <a class="code" href="classKDirWatch.html#ad0762720d60895300f0e5204e2757268" title="Emitted when a file or directory is created.">created</a>( _file );
<a name="l01711"></a>01711 }
<a name="l01712"></a>01712 
<a name="l01713"></a><a class="code" href="classKDirWatch.html#abd22d2d90d28a1fb465b1f7dc32797dd">01713</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#abd22d2d90d28a1fb465b1f7dc32797dd" title="Emits dirty().">KDirWatch::setDirty</a>( <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &amp; _file )
<a name="l01714"></a>01714 {
<a name="l01715"></a>01715   kdDebug(7001) &lt;&lt; <a class="codeRef" href="qobject.html#name">name</a>() &lt;&lt; <span class="stringliteral">&quot; emitting dirty &quot;</span> &lt;&lt; _file &lt;&lt; endl;
<a name="l01716"></a>01716   emit <a class="code" href="classKDirWatch.html#ab8cd416cda40770a0496b7fe2abff524" title="Emitted when a watched object is changed.">dirty</a>( _file );
<a name="l01717"></a>01717 }
<a name="l01718"></a>01718 
<a name="l01719"></a><a class="code" href="classKDirWatch.html#a049a456a049f1dc62fc4a2e0ebb29b9c">01719</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#a049a456a049f1dc62fc4a2e0ebb29b9c" title="Emits deleted().">KDirWatch::setDeleted</a>( <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &amp; _file )
<a name="l01720"></a>01720 {
<a name="l01721"></a>01721   kdDebug(7001) &lt;&lt; <a class="codeRef" href="qobject.html#name">name</a>() &lt;&lt; <span class="stringliteral">&quot; emitting deleted &quot;</span> &lt;&lt; _file &lt;&lt; endl;
<a name="l01722"></a>01722   emit <a class="code" href="classKDirWatch.html#a6c534a2ffeb7aac60cfd85918b2f69eb" title="Emitted when a file or directory is deleted.">deleted</a>( _file );
<a name="l01723"></a>01723 }
<a name="l01724"></a>01724 
<a name="l01725"></a><a class="code" href="classKDirWatch.html#a683d82356f3f771e4558d72ae4052c4d">01725</a> KDirWatch::Method <a class="code" href="classKDirWatch.html#a683d82356f3f771e4558d72ae4052c4d" title="Returns the preferred internal method to watch for changes.">KDirWatch::internalMethod</a>()
<a name="l01726"></a>01726 {
<a name="l01727"></a>01727 <span class="preprocessor">#ifdef HAVE_FAM</span>
<a name="l01728"></a>01728 <span class="preprocessor"></span>  <span class="keywordflow">if</span> (d-&gt;use_fam)
<a name="l01729"></a>01729     <span class="keywordflow">return</span> KDirWatch::FAM;
<a name="l01730"></a>01730 <span class="preprocessor">#endif</span>
<a name="l01731"></a>01731 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l01732"></a>01732 <span class="preprocessor"></span>  <span class="keywordflow">if</span> (d-&gt;supports_inotify)
<a name="l01733"></a>01733     <span class="keywordflow">return</span> KDirWatch::INotify;
<a name="l01734"></a>01734 <span class="preprocessor">#endif</span>
<a name="l01735"></a>01735 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l01736"></a>01736 <span class="preprocessor"></span>  <span class="keywordflow">if</span> (d-&gt;supports_dnotify)
<a name="l01737"></a>01737     <span class="keywordflow">return</span> KDirWatch::DNotify;
<a name="l01738"></a>01738 <span class="preprocessor">#endif</span>
<a name="l01739"></a>01739 <span class="preprocessor"></span>  <span class="keywordflow">return</span> KDirWatch::Stat;
<a name="l01740"></a>01740 }
<a name="l01741"></a>01741 
<a name="l01742"></a>01742 
<a name="l01743"></a>01743 <span class="preprocessor">#include &quot;kdirwatch.moc&quot;</span>
<a name="l01744"></a>01744 <span class="preprocessor">#include &quot;kdirwatch_p.moc&quot;</span>
<a name="l01745"></a>01745 
<a name="l01746"></a>01746 <span class="comment">//sven</span>
<a name="l01747"></a>01747 
<a name="l01748"></a>01748 <span class="comment">// vim: sw=2 ts=8 et</span>
</pre></div></div>
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