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<div class="title">kprocess.cpp</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment"> $Id: kprocess.cpp 549079 2006-06-07 11:18:16Z mueller $</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment"> This file is part of the KDE libraries</span>
<a name="l00006"></a>00006 <span class="comment"> Copyright (C) 1997 Christian Czezatke (e9025461@student.tuwien.ac.at)</span>
<a name="l00007"></a>00007 <span class="comment"></span>
<a name="l00008"></a>00008 <span class="comment"> This library is free software; you can redistribute it and/or</span>
<a name="l00009"></a>00009 <span class="comment"> modify it under the terms of the GNU Library General Public</span>
<a name="l00010"></a>00010 <span class="comment"> License as published by the Free Software Foundation; either</span>
<a name="l00011"></a>00011 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
<a name="l00012"></a>00012 <span class="comment"></span>
<a name="l00013"></a>00013 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
<a name="l00014"></a>00014 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00015"></a>00015 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00016"></a>00016 <span class="comment"> Library General Public License for more details.</span>
<a name="l00017"></a>00017 <span class="comment"></span>
<a name="l00018"></a>00018 <span class="comment"> You should have received a copy of the GNU Library General Public License</span>
<a name="l00019"></a>00019 <span class="comment"> along with this library; see the file COPYING.LIB. If not, write to</span>
<a name="l00020"></a>00020 <span class="comment"> the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00021"></a>00021 <span class="comment"> Boston, MA 02110-1301, USA.</span>
<a name="l00022"></a>00022 <span class="comment">*/</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#include "kprocess.h"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "kprocctrl.h"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "kpty.h"</span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="preprocessor">#include <config.h></span>
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="preprocessor">#ifdef __sgi</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#define __svr4__</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span>
<a name="l00035"></a>00035 <span class="preprocessor">#ifdef __osf__</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor">#define _OSF_SOURCE</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span><span class="preprocessor">#include <float.h></span>
<a name="l00038"></a>00038 <span class="preprocessor">#endif</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>
<a name="l00040"></a>00040 <span class="preprocessor">#ifdef _AIX</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor">#define _ALL_SOURCE</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span>
<a name="l00044"></a>00044 <span class="preprocessor">#ifdef Q_OS_UNIX</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span><span class="preprocessor">#include <sys/socket.h></span>
<a name="l00046"></a>00046 <span class="preprocessor">#include <sys/ioctl.h></span>
<a name="l00047"></a>00047 <span class="preprocessor">#endif</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span>
<a name="l00049"></a>00049 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00050"></a>00050 <span class="preprocessor">#include <sys/time.h></span>
<a name="l00051"></a>00051 <span class="preprocessor">#include <sys/resource.h></span>
<a name="l00052"></a>00052 <span class="preprocessor">#include <sys/stat.h></span>
<a name="l00053"></a>00053 <span class="preprocessor">#include <sys/wait.h></span>
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="preprocessor">#ifdef HAVE_SYS_STROPTS_H</span>
<a name="l00056"></a>00056 <span class="preprocessor"></span><span class="preprocessor">#include <sys/stropts.h></span> <span class="comment">// Defines I_PUSH</span>
<a name="l00057"></a>00057 <span class="preprocessor">#define _NEW_TTY_CTRL</span>
<a name="l00058"></a>00058 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_SYS_SELECT_H</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor">#include <sys/select.h></span>
<a name="l00061"></a>00061 <span class="preprocessor">#endif</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span>
<a name="l00063"></a>00063 <span class="preprocessor">#include <errno.h></span>
<a name="l00064"></a>00064 <span class="preprocessor">#include <assert.h></span>
<a name="l00065"></a>00065 <span class="preprocessor">#include <fcntl.h></span>
<a name="l00066"></a>00066 <span class="preprocessor">#include <time.h></span>
<a name="l00067"></a>00067 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00068"></a>00068 <span class="preprocessor">#include <signal.h></span>
<a name="l00069"></a>00069 <span class="preprocessor">#include <stdio.h></span>
<a name="l00070"></a>00070 <span class="preprocessor">#include <string.h></span>
<a name="l00071"></a>00071 <span class="preprocessor">#include <unistd.h></span>
<a name="l00072"></a>00072 <span class="preprocessor">#include <pwd.h></span>
<a name="l00073"></a>00073 <span class="preprocessor">#include <grp.h></span>
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="preprocessor">#include <qfile.h></span>
<a name="l00076"></a>00076 <span class="preprocessor">#include <qsocketnotifier.h></span>
<a name="l00077"></a>00077 <span class="preprocessor">#include <qapplication.h></span>
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="preprocessor">#include <kdebug.h></span>
<a name="l00080"></a>00080 <span class="preprocessor">#include <kstandarddirs.h></span>
<a name="l00081"></a>00081 <span class="preprocessor">#include <kuser.h></span>
<a name="l00082"></a>00082
<a name="l00083"></a>00083
<a name="l00085"></a>00085 <span class="comment">// private data //</span>
<a name="l00087"></a>00087 <span class="comment"></span>
<a name="l00088"></a>00088 <span class="keyword">class </span>KProcessPrivate {
<a name="l00089"></a>00089 <span class="keyword">public</span>:
<a name="l00090"></a>00090 KProcessPrivate() :
<a name="l00091"></a>00091 usePty(<a class="code" href="classKProcess.html" title="Child process invocation, monitoring and control.">KProcess</a>::NoCommunication),
<a name="l00092"></a>00092 addUtmp(false), useShell(false),
<a name="l00093"></a>00093 #ifdef Q_OS_UNIX
<a name="l00094"></a>00094 pty(0),
<a name="l00095"></a>00095 #endif
<a name="l00096"></a>00096 priority(0)
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <a class="code" href="classKProcess.html#a31e69eb366082bb93bbdc31e6e281019" title="Modes in which the communication channel can be opened.">KProcess::Communication</a> usePty;
<a name="l00101"></a>00101 <span class="keywordtype">bool</span> addUtmp : 1;
<a name="l00102"></a>00102 <span class="keywordtype">bool</span> useShell : 1;
<a name="l00103"></a>00103
<a name="l00104"></a>00104 <span class="preprocessor">#ifdef Q_OS_UNIX</span>
<a name="l00105"></a>00105 <span class="preprocessor"></span> <a class="code" href="classKPty.html" title="Provides a high level representation of a pseudo tty pair, including utmp support.">KPty</a> *pty;
<a name="l00106"></a>00106 <span class="preprocessor">#endif</span>
<a name="l00107"></a>00107 <span class="preprocessor"></span>
<a name="l00108"></a>00108 <span class="keywordtype">int</span> priority;
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <a class="codeRef" href="qmap.html">QMap<QString,QString></a> env;
<a name="l00111"></a>00111 <a class="codeRef" href="qstring.html">QString</a> wd;
<a name="l00112"></a>00112 <a class="codeRef" href="qcstring.html">QCString</a> shell;
<a name="l00113"></a>00113 <a class="codeRef" href="qcstring.html">QCString</a> executable;
<a name="l00114"></a>00114 };
<a name="l00115"></a>00115
<a name="l00117"></a>00117 <span class="comment">// public member functions //</span>
<a name="l00119"></a>00119 <span class="comment"></span>
<a name="l00120"></a><a class="code" href="classKProcess.html#a9a49ba65692eccfe2a16b2a98920009b">00120</a> <a class="code" href="classKProcess.html#a4182e968400f3f68a835f300b0100d8b" title="Constructor.">KProcess::KProcess</a>( <a class="codeRef" href="qobject.html">QObject</a>* parent, <span class="keyword">const</span> <span class="keywordtype">char</span> *name )
<a name="l00121"></a>00121 : <a class="codeRef" href="qobject.html">QObject</a>( parent, name ),
<a name="l00122"></a>00122 run_mode(NotifyOnExit),
<a name="l00123"></a>00123 runs(false),
<a name="l00124"></a>00124 pid_(0),
<a name="l00125"></a>00125 status(0),
<a name="l00126"></a>00126 keepPrivs(false),
<a name="l00127"></a>00127 innot(0),
<a name="l00128"></a>00128 outnot(0),
<a name="l00129"></a>00129 errnot(0),
<a name="l00130"></a>00130 communication(NoCommunication),
<a name="l00131"></a>00131 input_data(0),
<a name="l00132"></a>00132 input_sent(0),
<a name="l00133"></a>00133 input_total(0)
<a name="l00134"></a>00134 {
<a name="l00135"></a>00135 <a class="code" href="classKProcessController.html#a82635043a288930722398afbf35c1b6c" title="Create an instance if none exists yet.">KProcessController::ref</a>();
<a name="l00136"></a>00136 <a class="code" href="classKProcessController.html#afa2b4fcac10b3a5b08f7ab6899905c02" title="Only a single instance of this class is allowed at a time, and this static variable is used to track ...">KProcessController::theKProcessController</a>->addKProcess(<span class="keyword">this</span>);
<a name="l00137"></a>00137
<a name="l00138"></a>00138 d = <span class="keyword">new</span> KProcessPrivate;
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[0] = <a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[1] = -1;
<a name="l00141"></a>00141 <a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[0] = <a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[1] = -1;
<a name="l00142"></a>00142 <a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[0] = <a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[1] = -1;
<a name="l00143"></a>00143 }
<a name="l00144"></a>00144
<a name="l00145"></a><a class="code" href="classKProcess.html#a4182e968400f3f68a835f300b0100d8b">00145</a> <a class="code" href="classKProcess.html#a4182e968400f3f68a835f300b0100d8b" title="Constructor.">KProcess::KProcess</a>()
<a name="l00146"></a>00146 : <a class="codeRef" href="qobject.html">QObject</a>(),
<a name="l00147"></a>00147 run_mode(NotifyOnExit),
<a name="l00148"></a>00148 runs(false),
<a name="l00149"></a>00149 pid_(0),
<a name="l00150"></a>00150 status(0),
<a name="l00151"></a>00151 keepPrivs(false),
<a name="l00152"></a>00152 innot(0),
<a name="l00153"></a>00153 outnot(0),
<a name="l00154"></a>00154 errnot(0),
<a name="l00155"></a>00155 communication(NoCommunication),
<a name="l00156"></a>00156 input_data(0),
<a name="l00157"></a>00157 input_sent(0),
<a name="l00158"></a>00158 input_total(0)
<a name="l00159"></a>00159 {
<a name="l00160"></a>00160 <a class="code" href="classKProcessController.html#a82635043a288930722398afbf35c1b6c" title="Create an instance if none exists yet.">KProcessController::ref</a>();
<a name="l00161"></a>00161 <a class="code" href="classKProcessController.html#afa2b4fcac10b3a5b08f7ab6899905c02" title="Only a single instance of this class is allowed at a time, and this static variable is used to track ...">KProcessController::theKProcessController</a>->addKProcess(<span class="keyword">this</span>);
<a name="l00162"></a>00162
<a name="l00163"></a>00163 d = <span class="keyword">new</span> KProcessPrivate;
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[0] = <a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[1] = -1;
<a name="l00166"></a>00166 <a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[0] = <a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[1] = -1;
<a name="l00167"></a>00167 <a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[0] = <a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[1] = -1;
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169
<a name="l00170"></a>00170 <span class="keywordtype">void</span>
<a name="l00171"></a><a class="code" href="classKProcess.html#ab04086e71ba6ca36b06b0148656b1b33">00171</a> <a class="code" href="classKProcess.html#ab04086e71ba6ca36b06b0148656b1b33" title="Adds the variable name to the process' environment.">KProcess::setEnvironment</a>(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &name, <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &value)
<a name="l00172"></a>00172 {
<a name="l00173"></a>00173 d->env.insert(name, value);
<a name="l00174"></a>00174 }
<a name="l00175"></a>00175
<a name="l00176"></a>00176 <span class="keywordtype">void</span>
<a name="l00177"></a><a class="code" href="classKProcess.html#ac7565aedcfd566bd546837a466884edd">00177</a> <a class="code" href="classKProcess.html#ac7565aedcfd566bd546837a466884edd" title="Changes the current working directory (CWD) of the process to be started.">KProcess::setWorkingDirectory</a>(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &dir)
<a name="l00178"></a>00178 {
<a name="l00179"></a>00179 d->wd = dir;
<a name="l00180"></a>00180 }
<a name="l00181"></a>00181
<a name="l00182"></a>00182 <span class="keywordtype">void</span>
<a name="l00183"></a><a class="code" href="classKProcess.html#ab4912ad4f32b661c65a9f99fe82d0f7e">00183</a> <a class="code" href="classKProcess.html#ab4912ad4f32b661c65a9f99fe82d0f7e" title="Sets up the environment according to the data passed via setEnvironment()">KProcess::setupEnvironment</a>()
<a name="l00184"></a>00184 {
<a name="l00185"></a>00185 <a class="codeRef" href="qmap.html">QMap<QString,QString>::Iterator</a> it;
<a name="l00186"></a>00186 <span class="keywordflow">for</span>(it = d->env.begin(); it != d->env.end(); ++it)
<a name="l00187"></a>00187 {
<a name="l00188"></a>00188 setenv(<a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>(it.key()).data(),
<a name="l00189"></a>00189 <a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>(it.data()).data(), 1);
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191 <span class="keywordflow">if</span> (!d->wd.isEmpty())
<a name="l00192"></a>00192 {
<a name="l00193"></a>00193 chdir(<a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>(d->wd).data());
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195 }
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="keywordtype">void</span>
<a name="l00198"></a><a class="code" href="classKProcess.html#a101724b33e03545b1495032b882e6ad4">00198</a> <a class="code" href="classKProcess.html#a101724b33e03545b1495032b882e6ad4" title="Controls whether the started process should drop any setuid/setgid privileges or whether it should ke...">KProcess::setRunPrivileged</a>(<span class="keywordtype">bool</span> keepPrivileges)
<a name="l00199"></a>00199 {
<a name="l00200"></a>00200 <a class="code" href="classKProcess.html#a78fa30f3005c3aa6d5b257d255b49b1e" title="If false, the child process' effective uid & gid will be reset to the real values.">keepPrivs</a> = keepPrivileges;
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202
<a name="l00203"></a>00203 <span class="keywordtype">bool</span>
<a name="l00204"></a><a class="code" href="classKProcess.html#a15dc6134a66a7cdc526522155005b231">00204</a> <a class="code" href="classKProcess.html#a15dc6134a66a7cdc526522155005b231" title="Returns whether the started process will drop any setuid/setgid privileges or whether it will keep th...">KProcess::runPrivileged</a>()<span class="keyword"> const</span>
<a name="l00205"></a>00205 <span class="keyword"></span>{
<a name="l00206"></a>00206 <span class="keywordflow">return</span> <a class="code" href="classKProcess.html#a78fa30f3005c3aa6d5b257d255b49b1e" title="If false, the child process' effective uid & gid will be reset to the real values.">keepPrivs</a>;
<a name="l00207"></a>00207 }
<a name="l00208"></a>00208
<a name="l00209"></a>00209 <span class="keywordtype">bool</span>
<a name="l00210"></a><a class="code" href="classKProcess.html#a0d1c518280b0a840f4996ca5afd95903">00210</a> <a class="code" href="classKProcess.html#a0d1c518280b0a840f4996ca5afd95903" title="Sets the scheduling priority of the process.">KProcess::setPriority</a>(<span class="keywordtype">int</span> prio)
<a name="l00211"></a>00211 {
<a name="l00212"></a>00212 <span class="preprocessor">#ifdef Q_OS_UNIX</span>
<a name="l00213"></a>00213 <span class="preprocessor"></span> <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a>) {
<a name="l00214"></a>00214 <span class="keywordflow">if</span> (setpriority(PRIO_PROCESS, <a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a>, prio))
<a name="l00215"></a>00215 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00216"></a>00216 } <span class="keywordflow">else</span> {
<a name="l00217"></a>00217 <span class="keywordflow">if</span> (prio > 19 || prio < (geteuid() ? getpriority(PRIO_PROCESS, 0) : -20))
<a name="l00218"></a>00218 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00219"></a>00219 }
<a name="l00220"></a>00220 <span class="preprocessor">#endif</span>
<a name="l00221"></a>00221 <span class="preprocessor"></span> d->priority = prio;
<a name="l00222"></a>00222 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224
<a name="l00225"></a><a class="code" href="classKProcess.html#aaaf0e2133a2218bdcd88003162f67602">00225</a> <a class="code" href="classKProcess.html#aaaf0e2133a2218bdcd88003162f67602" title="Destructor:">KProcess::~KProcess</a>()
<a name="l00226"></a>00226 {
<a name="l00227"></a>00227 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#afd1ff53b0689db4bb6d59170c8ac685d" title="How to run the process (Block, NotifyOnExit, DontCare).">run_mode</a> != <a class="code" href="classKProcess.html#a2fbcd413da7eb360ac1a71761f1631b7ab8d822b0fb0fc38fafa565197a01b470" title="The application does not receive notifications from the subprocess when it is finished or aborted...">DontCare</a>)
<a name="l00228"></a>00228 <a class="code" href="classKProcess.html#a6855062a434fc86fca2566276de55d5c" title="Stop the process (by sending it a signal).">kill</a>(SIGKILL);
<a name="l00229"></a>00229 <a class="code" href="classKProcess.html#a8a48c8a62d33c64bacce18573169f074" title="Detaches KProcess from child process.">detach</a>();
<a name="l00230"></a>00230
<a name="l00231"></a>00231 <span class="preprocessor">#ifdef Q_OS_UNIX</span>
<a name="l00232"></a>00232 <span class="preprocessor"></span> <span class="keyword">delete</span> d->pty;
<a name="l00233"></a>00233 <span class="preprocessor">#endif</span>
<a name="l00234"></a>00234 <span class="preprocessor"></span> <span class="keyword">delete</span> d;
<a name="l00235"></a>00235
<a name="l00236"></a>00236 <a class="code" href="classKProcessController.html#afa2b4fcac10b3a5b08f7ab6899905c02" title="Only a single instance of this class is allowed at a time, and this static variable is used to track ...">KProcessController::theKProcessController</a>->removeKProcess(<span class="keyword">this</span>);
<a name="l00237"></a>00237 <a class="code" href="classKProcessController.html#ac0810e44945cc30ea470c63a098164f2" title="Destroy the instance if one exists and it is not referenced any more.">KProcessController::deref</a>();
<a name="l00238"></a>00238 }
<a name="l00239"></a>00239
<a name="l00240"></a><a class="code" href="classKProcess.html#a8a48c8a62d33c64bacce18573169f074">00240</a> <span class="keywordtype">void</span> <a class="code" href="classKProcess.html#a8a48c8a62d33c64bacce18573169f074" title="Detaches KProcess from child process.">KProcess::detach</a>()
<a name="l00241"></a>00241 {
<a name="l00242"></a>00242 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a>) {
<a name="l00243"></a>00243 <a class="code" href="classKProcessController.html#afa2b4fcac10b3a5b08f7ab6899905c02" title="Only a single instance of this class is allowed at a time, and this static variable is used to track ...">KProcessController::theKProcessController</a>->addProcess(<a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a>);
<a name="l00244"></a>00244 <a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a> = <span class="keyword">false</span>;
<a name="l00245"></a>00245 <a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a> = 0; <span class="comment">// close without draining</span>
<a name="l00246"></a>00246 <a class="code" href="classKProcess.html#a452a674ce8be325cae6d5def69a77007" title="Cleans up the communication links to the child after it has exited.">commClose</a>(); <span class="comment">// Clean up open fd's and socket notifiers.</span>
<a name="l00247"></a>00247 }
<a name="l00248"></a>00248 }
<a name="l00249"></a>00249
<a name="l00250"></a><a class="code" href="classKProcess.html#a8d68d59e47f200017f34ef2530b6fbb9">00250</a> <span class="keywordtype">void</span> <a class="code" href="classKProcess.html#a8d68d59e47f200017f34ef2530b6fbb9" title="Specify the actual executable that should be started (first argument to execve) Normally the the firs...">KProcess::setBinaryExecutable</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *filename)
<a name="l00251"></a>00251 {
<a name="l00252"></a>00252 d->executable = filename;
<a name="l00253"></a>00253 }
<a name="l00254"></a>00254
<a name="l00255"></a><a class="code" href="classKProcess.html#ae759145c7f0cff4f46ca184c679a68bf">00255</a> <span class="keywordtype">bool</span> <a class="code" href="classKProcess.html#ae759145c7f0cff4f46ca184c679a68bf">KProcess::setExecutable</a>(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>& proc)
<a name="l00256"></a>00256 {
<a name="l00257"></a>00257 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a>) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00258"></a>00258
<a name="l00259"></a>00259 <span class="keywordflow">if</span> (proc.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>()) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00260"></a>00260
<a name="l00261"></a>00261 <span class="keywordflow">if</span> (!<a class="code" href="classKProcess.html#a7a247677230d9fb9ad0b97037e4b770f" title="The list of the process' command line arguments.">arguments</a>.<a class="codeRef" href="qvaluelist.html#isEmpty">isEmpty</a>())
<a name="l00262"></a>00262 <a class="code" href="classKProcess.html#a7a247677230d9fb9ad0b97037e4b770f" title="The list of the process' command line arguments.">arguments</a>.<a class="codeRef" href="qvaluelist.html#remove">remove</a>(<a class="code" href="classKProcess.html#a7a247677230d9fb9ad0b97037e4b770f" title="The list of the process' command line arguments.">arguments</a>.<a class="codeRef" href="qvaluelist.html#begin">begin</a>());
<a name="l00263"></a>00263 <a class="code" href="classKProcess.html#a7a247677230d9fb9ad0b97037e4b770f" title="The list of the process' command line arguments.">arguments</a>.<a class="codeRef" href="qvaluelist.html#prepend">prepend</a>(<a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>(proc));
<a name="l00264"></a>00264
<a name="l00265"></a>00265 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00266"></a>00266 }
<a name="l00267"></a>00267
<a name="l00268"></a><a class="code" href="classKProcess.html#a2c023c6dea904e00486ff08ea7214f7e">00268</a> <a class="code" href="classKProcess.html" title="Child process invocation, monitoring and control.">KProcess</a> &<a class="code" href="classKProcess.html#a622180f48f80ff03c7d29b2d6ae8fa70" title="Sets the executable and the command line argument list for this process.">KProcess::operator<<</a>(<span class="keyword">const</span> <a class="codeRef" href="qstringlist.html">QStringList</a>& args)
<a name="l00269"></a>00269 {
<a name="l00270"></a>00270 QStringList::ConstIterator it = args.begin();
<a name="l00271"></a>00271 <span class="keywordflow">for</span> ( ; it != args.end() ; ++it )
<a name="l00272"></a>00272 <a class="code" href="classKProcess.html#a7a247677230d9fb9ad0b97037e4b770f" title="The list of the process' command line arguments.">arguments</a>.<a class="codeRef" href="qvaluelist.html#append">append</a>(<a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>(*it));
<a name="l00273"></a>00273 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00274"></a>00274 }
<a name="l00275"></a>00275
<a name="l00276"></a><a class="code" href="classKProcess.html#a1fe77cf27bce36c3354978c4e938ed3b">00276</a> <a class="code" href="classKProcess.html" title="Child process invocation, monitoring and control.">KProcess</a> &<a class="code" href="classKProcess.html#a622180f48f80ff03c7d29b2d6ae8fa70" title="Sets the executable and the command line argument list for this process.">KProcess::operator<<</a>(<span class="keyword">const</span> <a class="codeRef" href="qcstring.html">QCString</a>& arg)
<a name="l00277"></a>00277 {
<a name="l00278"></a>00278 <span class="keywordflow">return</span> <a class="code" href="classKProcess.html#a622180f48f80ff03c7d29b2d6ae8fa70" title="Sets the executable and the command line argument list for this process.">operator<< </a>(arg.data());
<a name="l00279"></a>00279 }
<a name="l00280"></a>00280
<a name="l00281"></a><a class="code" href="classKProcess.html#a696695685e7a131fe5142c2af0795ed6">00281</a> <a class="code" href="classKProcess.html" title="Child process invocation, monitoring and control.">KProcess</a> &<a class="code" href="classKProcess.html#a622180f48f80ff03c7d29b2d6ae8fa70" title="Sets the executable and the command line argument list for this process.">KProcess::operator<<</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* arg)
<a name="l00282"></a>00282 {
<a name="l00283"></a>00283 <a class="code" href="classKProcess.html#a7a247677230d9fb9ad0b97037e4b770f" title="The list of the process' command line arguments.">arguments</a>.<a class="codeRef" href="qvaluelist.html#append">append</a>(arg);
<a name="l00284"></a>00284 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00285"></a>00285 }
<a name="l00286"></a>00286
<a name="l00287"></a><a class="code" href="classKProcess.html#a622180f48f80ff03c7d29b2d6ae8fa70">00287</a> <a class="code" href="classKProcess.html" title="Child process invocation, monitoring and control.">KProcess</a> &<a class="code" href="classKProcess.html#a622180f48f80ff03c7d29b2d6ae8fa70" title="Sets the executable and the command line argument list for this process.">KProcess::operator<<</a>(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>& arg)
<a name="l00288"></a>00288 {
<a name="l00289"></a>00289 <a class="code" href="classKProcess.html#a7a247677230d9fb9ad0b97037e4b770f" title="The list of the process' command line arguments.">arguments</a>.<a class="codeRef" href="qvaluelist.html#append">append</a>(<a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>(arg));
<a name="l00290"></a>00290 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00291"></a>00291 }
<a name="l00292"></a>00292
<a name="l00293"></a><a class="code" href="classKProcess.html#acc5601a99c9bc865f129d53774ca830a">00293</a> <span class="keywordtype">void</span> <a class="code" href="classKProcess.html#acc5601a99c9bc865f129d53774ca830a" title="Clear a command line argument list that has been set by using operator<<.">KProcess::clearArguments</a>()
<a name="l00294"></a>00294 {
<a name="l00295"></a>00295 <a class="code" href="classKProcess.html#a7a247677230d9fb9ad0b97037e4b770f" title="The list of the process' command line arguments.">arguments</a>.<a class="codeRef" href="qvaluelist.html#clear">clear</a>();
<a name="l00296"></a>00296 }
<a name="l00297"></a>00297
<a name="l00298"></a><a class="code" href="classKProcess.html#a4720628748fbe8b2373837208ff7b947">00298</a> <span class="keywordtype">bool</span> <a class="code" href="classKProcess.html#a4720628748fbe8b2373837208ff7b947" title="Starts the process.">KProcess::start</a>(<a class="code" href="classKProcess.html#a2fbcd413da7eb360ac1a71761f1631b7" title="Run-modes for a child process.">RunMode</a> runmode, <a class="code" href="classKProcess.html#a31e69eb366082bb93bbdc31e6e281019" title="Modes in which the communication channel can be opened.">Communication</a> comm)
<a name="l00299"></a>00299 {
<a name="l00300"></a>00300 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a>) {
<a name="l00301"></a>00301 kdDebug(175) << <span class="stringliteral">"Attempted to start an already running process"</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00302"></a>00302 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00303"></a>00303 }
<a name="l00304"></a>00304
<a name="l00305"></a>00305 uint n = <a class="code" href="classKProcess.html#a7a247677230d9fb9ad0b97037e4b770f" title="The list of the process' command line arguments.">arguments</a>.<a class="codeRef" href="qvaluelist.html#count">count</a>();
<a name="l00306"></a>00306 <span class="keywordflow">if</span> (n == 0) {
<a name="l00307"></a>00307 kdDebug(175) << <span class="stringliteral">"Attempted to start a process without arguments"</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00308"></a>00308 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00309"></a>00309 }
<a name="l00310"></a>00310 <span class="preprocessor">#ifdef Q_OS_UNIX</span>
<a name="l00311"></a>00311 <span class="preprocessor"></span> <span class="keywordtype">char</span> **arglist;
<a name="l00312"></a>00312 <a class="codeRef" href="qcstring.html">QCString</a> shellCmd;
<a name="l00313"></a>00313 <span class="keywordflow">if</span> (d->useShell)
<a name="l00314"></a>00314 {
<a name="l00315"></a>00315 <span class="keywordflow">if</span> (d->shell.isEmpty()) {
<a name="l00316"></a>00316 kdDebug(175) << <span class="stringliteral">"Invalid shell specified"</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00317"></a>00317 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00318"></a>00318 }
<a name="l00319"></a>00319
<a name="l00320"></a>00320 <span class="keywordflow">for</span> (uint i = 0; i < n; i++) {
<a name="l00321"></a>00321 shellCmd += <a class="code" href="classKProcess.html#a7a247677230d9fb9ad0b97037e4b770f" title="The list of the process' command line arguments.">arguments</a>[i];
<a name="l00322"></a>00322 shellCmd += <span class="stringliteral">" "</span>; <span class="comment">// CC: to separate the arguments</span>
<a name="l00323"></a>00323 }
<a name="l00324"></a>00324
<a name="l00325"></a>00325 arglist = <span class="keyword">static_cast<</span><span class="keywordtype">char</span> **<span class="keyword">></span>(malloc( 4 * <span class="keyword">sizeof</span>(<span class="keywordtype">char</span> *)));
<a name="l00326"></a>00326 arglist[0] = d->shell.data();
<a name="l00327"></a>00327 arglist[1] = (<span class="keywordtype">char</span> *) <span class="stringliteral">"-c"</span>;
<a name="l00328"></a>00328 arglist[2] = shellCmd.data();
<a name="l00329"></a>00329 arglist[3] = 0;
<a name="l00330"></a>00330 }
<a name="l00331"></a>00331 <span class="keywordflow">else</span>
<a name="l00332"></a>00332 {
<a name="l00333"></a>00333 arglist = <span class="keyword">static_cast<</span><span class="keywordtype">char</span> **<span class="keyword">></span>(malloc( (n + 1) * <span class="keyword">sizeof</span>(<span class="keywordtype">char</span> *)));
<a name="l00334"></a>00334 <span class="keywordflow">for</span> (uint i = 0; i < n; i++)
<a name="l00335"></a>00335 arglist[i] = <a class="code" href="classKProcess.html#a7a247677230d9fb9ad0b97037e4b770f" title="The list of the process' command line arguments.">arguments</a>[i].data();
<a name="l00336"></a>00336 arglist[n] = 0;
<a name="l00337"></a>00337 }
<a name="l00338"></a>00338
<a name="l00339"></a>00339 <a class="code" href="classKProcess.html#afd1ff53b0689db4bb6d59170c8ac685d" title="How to run the process (Block, NotifyOnExit, DontCare).">run_mode</a> = runmode;
<a name="l00340"></a>00340
<a name="l00341"></a>00341 <span class="keywordflow">if</span> (!<a class="code" href="classKProcess.html#a6882570c9c871f9a1c8e897e6684b5ac" title="This function is called from start() right before a fork() takes place.">setupCommunication</a>(comm))
<a name="l00342"></a>00342 {
<a name="l00343"></a>00343 kdDebug(175) << <span class="stringliteral">"Could not setup Communication!"</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00344"></a>00344 free(arglist);
<a name="l00345"></a>00345 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00346"></a>00346 }
<a name="l00347"></a>00347
<a name="l00348"></a>00348 <span class="comment">// We do this in the parent because if we do it in the child process</span>
<a name="l00349"></a>00349 <span class="comment">// gdb gets confused when the application runs from gdb.</span>
<a name="l00350"></a>00350 <span class="preprocessor">#ifdef HAVE_INITGROUPS</span>
<a name="l00351"></a>00351 <span class="preprocessor"></span> <span class="keyword">struct </span>passwd *pw = geteuid() ? 0 : getpwuid(getuid());
<a name="l00352"></a>00352 <span class="preprocessor">#endif</span>
<a name="l00353"></a>00353 <span class="preprocessor"></span>
<a name="l00354"></a>00354 <span class="keywordtype">int</span> fd[2];
<a name="l00355"></a>00355 <span class="keywordflow">if</span> (pipe(fd))
<a name="l00356"></a>00356 fd[0] = fd[1] = -1; <span class="comment">// Pipe failed.. continue</span>
<a name="l00357"></a>00357
<a name="l00358"></a>00358 <span class="comment">// we don't use vfork() because</span>
<a name="l00359"></a>00359 <span class="comment">// - it has unclear semantics and is not standardized</span>
<a name="l00360"></a>00360 <span class="comment">// - we do way too much magic in the child</span>
<a name="l00361"></a>00361 <a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a> = fork();
<a name="l00362"></a>00362 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a> == 0) {
<a name="l00363"></a>00363 <span class="comment">// The child process</span>
<a name="l00364"></a>00364
<a name="l00365"></a>00365 close(fd[0]);
<a name="l00366"></a>00366 <span class="comment">// Closing of fd[1] indicates that the execvp() succeeded!</span>
<a name="l00367"></a>00367 fcntl(fd[1], F_SETFD, FD_CLOEXEC);
<a name="l00368"></a>00368
<a name="l00369"></a>00369 <span class="keywordflow">if</span> (!<a class="code" href="classKProcess.html#ab269724f26b9318db64dfdf917df5460" title="Called right after a (successful) fork(), but before an exec() on the child process' side...">commSetupDoneC</a>())
<a name="l00370"></a>00370 kdDebug(175) << <span class="stringliteral">"Could not finish comm setup in child!"</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00371"></a>00371
<a name="l00372"></a>00372 <span class="comment">// reset all signal handlers</span>
<a name="l00373"></a>00373 <span class="keyword">struct </span>sigaction act;
<a name="l00374"></a>00374 sigemptyset(&act.sa_mask);
<a name="l00375"></a>00375 act.sa_handler = SIG_DFL;
<a name="l00376"></a>00376 act.sa_flags = 0;
<a name="l00377"></a>00377 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> sig = 1; sig < NSIG; sig++)
<a name="l00378"></a>00378 sigaction(sig, &act, 0L);
<a name="l00379"></a>00379
<a name="l00380"></a>00380 <span class="keywordflow">if</span> (d->priority)
<a name="l00381"></a>00381 setpriority(PRIO_PROCESS, 0, d->priority);
<a name="l00382"></a>00382
<a name="l00383"></a>00383 <span class="keywordflow">if</span> (!<a class="code" href="classKProcess.html#a15dc6134a66a7cdc526522155005b231" title="Returns whether the started process will drop any setuid/setgid privileges or whether it will keep th...">runPrivileged</a>())
<a name="l00384"></a>00384 {
<a name="l00385"></a>00385 setgid(getgid());
<a name="l00386"></a>00386 <span class="preprocessor">#ifdef HAVE_INITGROUPS</span>
<a name="l00387"></a>00387 <span class="preprocessor"></span> <span class="keywordflow">if</span> (pw)
<a name="l00388"></a>00388 initgroups(pw->pw_name, pw->pw_gid);
<a name="l00389"></a>00389 <span class="preprocessor">#endif</span>
<a name="l00390"></a>00390 <span class="preprocessor"></span> <span class="keywordflow">if</span> (geteuid() != getuid())
<a name="l00391"></a>00391 setuid(getuid());
<a name="l00392"></a>00392 <span class="keywordflow">if</span> (geteuid() != getuid())
<a name="l00393"></a>00393 _exit(1);
<a name="l00394"></a>00394 }
<a name="l00395"></a>00395
<a name="l00396"></a>00396 <a class="code" href="classKProcess.html#ab4912ad4f32b661c65a9f99fe82d0f7e" title="Sets up the environment according to the data passed via setEnvironment()">setupEnvironment</a>();
<a name="l00397"></a>00397
<a name="l00398"></a>00398 <span class="keywordflow">if</span> (runmode == <a class="code" href="classKProcess.html#a2fbcd413da7eb360ac1a71761f1631b7ab8d822b0fb0fc38fafa565197a01b470" title="The application does not receive notifications from the subprocess when it is finished or aborted...">DontCare</a> || runmode == <a class="code" href="classKProcess.html#a2fbcd413da7eb360ac1a71761f1631b7a1e9439b8958d69d2b269ee1b7f4de187" title="Same as NotifyOnExit, but the process is run in an own session, just like with DontCare.">OwnGroup</a>)
<a name="l00399"></a>00399 setsid();
<a name="l00400"></a>00400
<a name="l00401"></a>00401 <span class="keyword">const</span> <span class="keywordtype">char</span> *executable = arglist[0];
<a name="l00402"></a>00402 <span class="keywordflow">if</span> (!d->executable.isEmpty())
<a name="l00403"></a>00403 executable = d->executable.data();
<a name="l00404"></a>00404 execvp(executable, arglist);
<a name="l00405"></a>00405
<a name="l00406"></a>00406 <span class="keywordtype">char</span> resultByte = 1;
<a name="l00407"></a>00407 write(fd[1], &resultByte, 1);
<a name="l00408"></a>00408 _exit(-1);
<a name="l00409"></a>00409 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a> == -1) {
<a name="l00410"></a>00410 <span class="comment">// forking failed</span>
<a name="l00411"></a>00411
<a name="l00412"></a>00412 <span class="comment">// commAbort();</span>
<a name="l00413"></a>00413 <a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a> = 0;
<a name="l00414"></a>00414 free(arglist);
<a name="l00415"></a>00415 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00416"></a>00416 }
<a name="l00417"></a>00417 <span class="comment">// the parent continues here</span>
<a name="l00418"></a>00418 free(arglist);
<a name="l00419"></a>00419
<a name="l00420"></a>00420 <span class="keywordflow">if</span> (!<a class="code" href="classKProcess.html#a7b0a71a3192dac2b3d012d1534f4860a" title="Called right after a (successful) fork() on the parent side.">commSetupDoneP</a>())
<a name="l00421"></a>00421 kdDebug(175) << <span class="stringliteral">"Could not finish comm setup in parent!"</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00422"></a>00422
<a name="l00423"></a>00423 <span class="comment">// Check whether client could be started.</span>
<a name="l00424"></a>00424 close(fd[1]);
<a name="l00425"></a>00425 <span class="keywordflow">for</span>(;;)
<a name="l00426"></a>00426 {
<a name="l00427"></a>00427 <span class="keywordtype">char</span> resultByte;
<a name="l00428"></a>00428 <span class="keywordtype">int</span> n = ::read(fd[0], &resultByte, 1);
<a name="l00429"></a>00429 <span class="keywordflow">if</span> (n == 1)
<a name="l00430"></a>00430 {
<a name="l00431"></a>00431 <span class="comment">// exec() failed</span>
<a name="l00432"></a>00432 close(fd[0]);
<a name="l00433"></a>00433 waitpid(<a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a>, 0, 0);
<a name="l00434"></a>00434 <a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a> = 0;
<a name="l00435"></a>00435 <a class="code" href="classKProcess.html#a452a674ce8be325cae6d5def69a77007" title="Cleans up the communication links to the child after it has exited.">commClose</a>();
<a name="l00436"></a>00436 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00437"></a>00437 }
<a name="l00438"></a>00438 <span class="keywordflow">if</span> (n == -1)
<a name="l00439"></a>00439 {
<a name="l00440"></a>00440 <span class="keywordflow">if</span> (errno == EINTR)
<a name="l00441"></a>00441 <span class="keywordflow">continue</span>; <span class="comment">// Ignore</span>
<a name="l00442"></a>00442 }
<a name="l00443"></a>00443 <span class="keywordflow">break</span>; <span class="comment">// success</span>
<a name="l00444"></a>00444 }
<a name="l00445"></a>00445 close(fd[0]);
<a name="l00446"></a>00446
<a name="l00447"></a>00447 <a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a> = <span class="keyword">true</span>;
<a name="l00448"></a>00448 <span class="keywordflow">switch</span> (runmode)
<a name="l00449"></a>00449 {
<a name="l00450"></a>00450 <span class="keywordflow">case</span> <a class="code" href="classKProcess.html#a2fbcd413da7eb360ac1a71761f1631b7a4c0c592d5216e0fc288ec95aa76b4f44" title="The application is suspended until the started process is finished.">Block</a>:
<a name="l00451"></a>00451 <span class="keywordflow">for</span> (;;)
<a name="l00452"></a>00452 {
<a name="l00453"></a>00453 <a class="code" href="classKProcess.html#a452a674ce8be325cae6d5def69a77007" title="Cleans up the communication links to the child after it has exited.">commClose</a>(); <span class="comment">// drain only, unless obsolete reimplementation</span>
<a name="l00454"></a>00454 <span class="keywordflow">if</span> (!<a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a>)
<a name="l00455"></a>00455 {
<a name="l00456"></a>00456 <span class="comment">// commClose detected data on the process exit notifification pipe</span>
<a name="l00457"></a>00457 <a class="code" href="classKProcessController.html#afa2b4fcac10b3a5b08f7ab6899905c02" title="Only a single instance of this class is allowed at a time, and this static variable is used to track ...">KProcessController::theKProcessController</a>-><a class="code" href="classKProcessController.html#afdbd6e230736456fbdd2df2579d0760c" title="Call this function to defer processing of the data that became available on notifierFd().">unscheduleCheck</a>();
<a name="l00458"></a>00458 <span class="keywordflow">if</span> (waitpid(<a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a>, &<a class="code" href="classKProcess.html#a9ba7b8b228ee6796dae2db3d6ddcebda" title="The process' exit status as returned by waitpid().">status</a>, WNOHANG) != 0) <span class="comment">// error finishes, too</span>
<a name="l00459"></a>00459 {
<a name="l00460"></a>00460 <a class="code" href="classKProcess.html#a452a674ce8be325cae6d5def69a77007" title="Cleans up the communication links to the child after it has exited.">commClose</a>(); <span class="comment">// this time for real (runs is false)</span>
<a name="l00461"></a>00461 <a class="code" href="classKProcessController.html#afa2b4fcac10b3a5b08f7ab6899905c02" title="Only a single instance of this class is allowed at a time, and this static variable is used to track ...">KProcessController::theKProcessController</a>-><a class="code" href="classKProcessController.html#a633afefcd041183170d8c9a31547fe12" title="This function must be called at some point after calling unscheduleCheck().">rescheduleCheck</a>();
<a name="l00462"></a>00462 <span class="keywordflow">break</span>;
<a name="l00463"></a>00463 }
<a name="l00464"></a>00464 <a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a> = <span class="keyword">true</span>; <span class="comment">// for next commClose() iteration</span>
<a name="l00465"></a>00465 }
<a name="l00466"></a>00466 <span class="keywordflow">else</span>
<a name="l00467"></a>00467 {
<a name="l00468"></a>00468 <span class="comment">// commClose is an obsolete reimplementation and waited until</span>
<a name="l00469"></a>00469 <span class="comment">// all output channels were closed (or it was interrupted).</span>
<a name="l00470"></a>00470 <span class="comment">// there is a chance that it never gets here ...</span>
<a name="l00471"></a>00471 waitpid(<a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a>, &<a class="code" href="classKProcess.html#a9ba7b8b228ee6796dae2db3d6ddcebda" title="The process' exit status as returned by waitpid().">status</a>, 0);
<a name="l00472"></a>00472 <a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a> = <span class="keyword">false</span>;
<a name="l00473"></a>00473 <span class="keywordflow">break</span>;
<a name="l00474"></a>00474 }
<a name="l00475"></a>00475 }
<a name="l00476"></a>00476 <span class="comment">// why do we do this? i think this signal should be emitted _only_</span>
<a name="l00477"></a>00477 <span class="comment">// after the process has successfully run _asynchronously_ --ossi</span>
<a name="l00478"></a>00478 emit <a class="code" href="classKProcess.html#a596356c0f7f45a34b5a701ae3c99ec3b" title="Emitted after the process has terminated when the process was run in the NotifyOnExit (==default opti...">processExited</a>(<span class="keyword">this</span>);
<a name="l00479"></a>00479 <span class="keywordflow">break</span>;
<a name="l00480"></a>00480 <span class="keywordflow">default</span>: <span class="comment">// NotifyOnExit & OwnGroup</span>
<a name="l00481"></a>00481 <a class="code" href="classKProcess.html#a6c04f1b4b85da186000cbb00601c7a7d" title="The buffer holding the data that has to be sent to the child.">input_data</a> = 0; <span class="comment">// Discard any data for stdin that might still be there</span>
<a name="l00482"></a>00482 <span class="keywordflow">break</span>;
<a name="l00483"></a>00483 }
<a name="l00484"></a>00484 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00485"></a>00485 <span class="preprocessor">#else</span>
<a name="l00486"></a>00486 <span class="preprocessor"></span> <span class="comment">//TODO</span>
<a name="l00487"></a>00487 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00488"></a>00488 <span class="preprocessor">#endif</span>
<a name="l00489"></a>00489 <span class="preprocessor"></span>}
<a name="l00490"></a>00490
<a name="l00491"></a>00491
<a name="l00492"></a>00492
<a name="l00493"></a><a class="code" href="classKProcess.html#a6855062a434fc86fca2566276de55d5c">00493</a> <span class="keywordtype">bool</span> <a class="code" href="classKProcess.html#a6855062a434fc86fca2566276de55d5c" title="Stop the process (by sending it a signal).">KProcess::kill</a>(<span class="keywordtype">int</span> signo)
<a name="l00494"></a>00494 {
<a name="l00495"></a>00495 <span class="preprocessor">#ifdef Q_OS_UNIX</span>
<a name="l00496"></a>00496 <span class="preprocessor"></span> <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a> && <a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a> > 0 && !::<a class="code" href="classKProcess.html#a6855062a434fc86fca2566276de55d5c" title="Stop the process (by sending it a signal).">kill</a>(<a class="code" href="classKProcess.html#afd1ff53b0689db4bb6d59170c8ac685d" title="How to run the process (Block, NotifyOnExit, DontCare).">run_mode</a> == <a class="code" href="classKProcess.html#a2fbcd413da7eb360ac1a71761f1631b7a1e9439b8958d69d2b269ee1b7f4de187" title="Same as NotifyOnExit, but the process is run in an own session, just like with DontCare.">OwnGroup</a> ? -<a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a> : <a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a>, signo))
<a name="l00497"></a>00497 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00498"></a>00498 <span class="preprocessor">#endif</span>
<a name="l00499"></a>00499 <span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00500"></a>00500 }
<a name="l00501"></a>00501
<a name="l00502"></a>00502
<a name="l00503"></a>00503
<a name="l00504"></a><a class="code" href="classKProcess.html#ad708457d8072be8ec7471dfea8223bd0">00504</a> <span class="keywordtype">bool</span> <a class="code" href="classKProcess.html#ad708457d8072be8ec7471dfea8223bd0" title="Checks whether the process is running.">KProcess::isRunning</a>()<span class="keyword"> const</span>
<a name="l00505"></a>00505 <span class="keyword"></span>{
<a name="l00506"></a>00506 <span class="keywordflow">return</span> <a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a>;
<a name="l00507"></a>00507 }
<a name="l00508"></a>00508
<a name="l00509"></a>00509
<a name="l00510"></a>00510
<a name="l00511"></a><a class="code" href="classKProcess.html#a3fa6c7307d649ba7b73e1a111fc91d9b">00511</a> pid_t <a class="code" href="classKProcess.html#a3fa6c7307d649ba7b73e1a111fc91d9b" title="Returns the process id of the process.">KProcess::pid</a>()<span class="keyword"> const</span>
<a name="l00512"></a>00512 <span class="keyword"></span>{
<a name="l00513"></a>00513 <span class="keywordflow">return</span> <a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a>;
<a name="l00514"></a>00514 }
<a name="l00515"></a>00515
<a name="l00516"></a>00516 <span class="preprocessor">#ifndef timersub</span>
<a name="l00517"></a>00517 <span class="preprocessor"></span><span class="preprocessor"># define timersub(a, b, result) \</span>
<a name="l00518"></a>00518 <span class="preprocessor"> do { \</span>
<a name="l00519"></a>00519 <span class="preprocessor"> (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \</span>
<a name="l00520"></a>00520 <span class="preprocessor"> (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \</span>
<a name="l00521"></a>00521 <span class="preprocessor"> if ((result)->tv_usec < 0) { \</span>
<a name="l00522"></a>00522 <span class="preprocessor"> --(result)->tv_sec; \</span>
<a name="l00523"></a>00523 <span class="preprocessor"> (result)->tv_usec += 1000000; \</span>
<a name="l00524"></a>00524 <span class="preprocessor"> } \</span>
<a name="l00525"></a>00525 <span class="preprocessor"> } while (0)</span>
<a name="l00526"></a>00526 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00527"></a>00527 <span class="preprocessor"></span>
<a name="l00528"></a><a class="code" href="classKProcess.html#a704f5003cf07f8731c23a62a4e37c2ba">00528</a> <span class="keywordtype">bool</span> <a class="code" href="classKProcess.html#a704f5003cf07f8731c23a62a4e37c2ba" title="Suspend execution of the current thread until the child process dies or the timeout hits...">KProcess::wait</a>(<span class="keywordtype">int</span> timeout)
<a name="l00529"></a>00529 {
<a name="l00530"></a>00530 <span class="keywordflow">if</span> (!<a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a>)
<a name="l00531"></a>00531 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00532"></a>00532
<a name="l00533"></a>00533 <span class="preprocessor">#ifndef __linux__</span>
<a name="l00534"></a>00534 <span class="preprocessor"></span> <span class="keyword">struct </span>timeval etv;
<a name="l00535"></a>00535 <span class="preprocessor">#endif</span>
<a name="l00536"></a>00536 <span class="preprocessor"></span> <span class="keyword">struct </span>timeval tv, *tvp;
<a name="l00537"></a>00537 <span class="keywordflow">if</span> (timeout < 0)
<a name="l00538"></a>00538 tvp = 0;
<a name="l00539"></a>00539 <span class="keywordflow">else</span>
<a name="l00540"></a>00540 {
<a name="l00541"></a>00541 <span class="preprocessor">#ifndef __linux__</span>
<a name="l00542"></a>00542 <span class="preprocessor"></span> gettimeofday(&etv, 0);
<a name="l00543"></a>00543 etv.tv_sec += timeout;
<a name="l00544"></a>00544 <span class="preprocessor">#else</span>
<a name="l00545"></a>00545 <span class="preprocessor"></span> tv.tv_sec = timeout;
<a name="l00546"></a>00546 tv.tv_usec = 0;
<a name="l00547"></a>00547 <span class="preprocessor">#endif</span>
<a name="l00548"></a>00548 <span class="preprocessor"></span> tvp = &tv;
<a name="l00549"></a>00549 }
<a name="l00550"></a>00550
<a name="l00551"></a>00551 <span class="preprocessor">#ifdef Q_OS_UNIX</span>
<a name="l00552"></a>00552 <span class="preprocessor"></span> <span class="keywordtype">int</span> fd = <a class="code" href="classKProcessController.html#afa2b4fcac10b3a5b08f7ab6899905c02" title="Only a single instance of this class is allowed at a time, and this static variable is used to track ...">KProcessController::theKProcessController</a>->notifierFd();
<a name="l00553"></a>00553 <span class="keywordflow">for</span>(;;)
<a name="l00554"></a>00554 {
<a name="l00555"></a>00555 fd_set fds;
<a name="l00556"></a>00556 FD_ZERO( &fds );
<a name="l00557"></a>00557 FD_SET( fd, &fds );
<a name="l00558"></a>00558
<a name="l00559"></a>00559 <span class="preprocessor">#ifndef __linux__</span>
<a name="l00560"></a>00560 <span class="preprocessor"></span> <span class="keywordflow">if</span> (tvp)
<a name="l00561"></a>00561 {
<a name="l00562"></a>00562 gettimeofday(&tv, 0);
<a name="l00563"></a>00563 timersub(&etv, &tv, &tv);
<a name="l00564"></a>00564 <span class="keywordflow">if</span> (tv.tv_sec < 0)
<a name="l00565"></a>00565 tv.tv_sec = tv.tv_usec = 0;
<a name="l00566"></a>00566 }
<a name="l00567"></a>00567 <span class="preprocessor">#endif</span>
<a name="l00568"></a>00568 <span class="preprocessor"></span>
<a name="l00569"></a>00569 <span class="keywordflow">switch</span>( select( fd+1, &fds, 0, 0, tvp ) )
<a name="l00570"></a>00570 {
<a name="l00571"></a>00571 <span class="keywordflow">case</span> -1:
<a name="l00572"></a>00572 <span class="keywordflow">if</span>( errno == EINTR )
<a name="l00573"></a>00573 <span class="keywordflow">break</span>;
<a name="l00574"></a>00574 <span class="comment">// fall through; should happen if tvp->tv_sec < 0</span>
<a name="l00575"></a>00575 <span class="keywordflow">case</span> 0:
<a name="l00576"></a>00576 <a class="code" href="classKProcessController.html#afa2b4fcac10b3a5b08f7ab6899905c02" title="Only a single instance of this class is allowed at a time, and this static variable is used to track ...">KProcessController::theKProcessController</a>-><a class="code" href="classKProcessController.html#a633afefcd041183170d8c9a31547fe12" title="This function must be called at some point after calling unscheduleCheck().">rescheduleCheck</a>();
<a name="l00577"></a>00577 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00578"></a>00578 <span class="keywordflow">default</span>:
<a name="l00579"></a>00579 <a class="code" href="classKProcessController.html#afa2b4fcac10b3a5b08f7ab6899905c02" title="Only a single instance of this class is allowed at a time, and this static variable is used to track ...">KProcessController::theKProcessController</a>-><a class="code" href="classKProcessController.html#afdbd6e230736456fbdd2df2579d0760c" title="Call this function to defer processing of the data that became available on notifierFd().">unscheduleCheck</a>();
<a name="l00580"></a>00580 <span class="keywordflow">if</span> (waitpid(<a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a>, &<a class="code" href="classKProcess.html#a9ba7b8b228ee6796dae2db3d6ddcebda" title="The process' exit status as returned by waitpid().">status</a>, WNOHANG) != 0) <span class="comment">// error finishes, too</span>
<a name="l00581"></a>00581 {
<a name="l00582"></a>00582 <a class="code" href="classKProcess.html#abd4f6e864a0dc1991b6de85d3139cba9" title="Immediately called after a successfully started process in NotifyOnExit mode has exited.">processHasExited</a>(<a class="code" href="classKProcess.html#a9ba7b8b228ee6796dae2db3d6ddcebda" title="The process' exit status as returned by waitpid().">status</a>);
<a name="l00583"></a>00583 <a class="code" href="classKProcessController.html#afa2b4fcac10b3a5b08f7ab6899905c02" title="Only a single instance of this class is allowed at a time, and this static variable is used to track ...">KProcessController::theKProcessController</a>-><a class="code" href="classKProcessController.html#a633afefcd041183170d8c9a31547fe12" title="This function must be called at some point after calling unscheduleCheck().">rescheduleCheck</a>();
<a name="l00584"></a>00584 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00585"></a>00585 }
<a name="l00586"></a>00586 }
<a name="l00587"></a>00587 }
<a name="l00588"></a>00588 <span class="preprocessor">#endif //Q_OS_UNIX</span>
<a name="l00589"></a>00589 <span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00590"></a>00590 }
<a name="l00591"></a>00591
<a name="l00592"></a>00592
<a name="l00593"></a>00593
<a name="l00594"></a><a class="code" href="classKProcess.html#ab1075f2a64506742472f45a0dc007066">00594</a> <span class="keywordtype">bool</span> <a class="code" href="classKProcess.html#ab1075f2a64506742472f45a0dc007066" title="Checks whether the process exited cleanly.">KProcess::normalExit</a>()<span class="keyword"> const</span>
<a name="l00595"></a>00595 <span class="keyword"></span>{
<a name="l00596"></a>00596 <span class="keywordflow">return</span> (<a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a> != 0) && !<a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a> && WIFEXITED(<a class="code" href="classKProcess.html#a9ba7b8b228ee6796dae2db3d6ddcebda" title="The process' exit status as returned by waitpid().">status</a>);
<a name="l00597"></a>00597 }
<a name="l00598"></a>00598
<a name="l00599"></a>00599
<a name="l00600"></a><a class="code" href="classKProcess.html#a993338f761ac3b58355e96920414e250">00600</a> <span class="keywordtype">bool</span> <a class="code" href="classKProcess.html#a993338f761ac3b58355e96920414e250" title="Checks whether the process was killed by a signal.">KProcess::signalled</a>()<span class="keyword"> const</span>
<a name="l00601"></a>00601 <span class="keyword"></span>{
<a name="l00602"></a>00602 <span class="keywordflow">return</span> (<a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a> != 0) && !<a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a> && WIFSIGNALED(<a class="code" href="classKProcess.html#a9ba7b8b228ee6796dae2db3d6ddcebda" title="The process' exit status as returned by waitpid().">status</a>);
<a name="l00603"></a>00603 }
<a name="l00604"></a>00604
<a name="l00605"></a>00605
<a name="l00606"></a><a class="code" href="classKProcess.html#ab262878246eb191277b4df7253f6478d">00606</a> <span class="keywordtype">bool</span> <a class="code" href="classKProcess.html#ab262878246eb191277b4df7253f6478d" title="Checks whether a killed process dumped core.">KProcess::coreDumped</a>()<span class="keyword"> const</span>
<a name="l00607"></a>00607 <span class="keyword"></span>{
<a name="l00608"></a>00608 <span class="preprocessor">#ifdef WCOREDUMP</span>
<a name="l00609"></a>00609 <span class="preprocessor"></span> <span class="keywordflow">return</span> <a class="code" href="classKProcess.html#a993338f761ac3b58355e96920414e250" title="Checks whether the process was killed by a signal.">signalled</a>() && WCOREDUMP(<a class="code" href="classKProcess.html#a9ba7b8b228ee6796dae2db3d6ddcebda" title="The process' exit status as returned by waitpid().">status</a>);
<a name="l00610"></a>00610 <span class="preprocessor">#else</span>
<a name="l00611"></a>00611 <span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00612"></a>00612 <span class="preprocessor">#endif</span>
<a name="l00613"></a>00613 <span class="preprocessor"></span>}
<a name="l00614"></a>00614
<a name="l00615"></a>00615
<a name="l00616"></a><a class="code" href="classKProcess.html#afd6932dd27dc8a9efc9b0946a5ec6a55">00616</a> <span class="keywordtype">int</span> <a class="code" href="classKProcess.html#afd6932dd27dc8a9efc9b0946a5ec6a55" title="Returns the exit status of the process.">KProcess::exitStatus</a>()<span class="keyword"> const</span>
<a name="l00617"></a>00617 <span class="keyword"></span>{
<a name="l00618"></a>00618 <span class="keywordflow">return</span> WEXITSTATUS(<a class="code" href="classKProcess.html#a9ba7b8b228ee6796dae2db3d6ddcebda" title="The process' exit status as returned by waitpid().">status</a>);
<a name="l00619"></a>00619 }
<a name="l00620"></a>00620
<a name="l00621"></a>00621
<a name="l00622"></a><a class="code" href="classKProcess.html#a782c70cebd39162bcdafb59769e4d82b">00622</a> <span class="keywordtype">int</span> <a class="code" href="classKProcess.html#a782c70cebd39162bcdafb59769e4d82b" title="Returns the signal the process was killed by.">KProcess::exitSignal</a>()<span class="keyword"> const</span>
<a name="l00623"></a>00623 <span class="keyword"></span>{
<a name="l00624"></a>00624 <span class="keywordflow">return</span> WTERMSIG(<a class="code" href="classKProcess.html#a9ba7b8b228ee6796dae2db3d6ddcebda" title="The process' exit status as returned by waitpid().">status</a>);
<a name="l00625"></a>00625 }
<a name="l00626"></a>00626
<a name="l00627"></a>00627
<a name="l00628"></a><a class="code" href="classKProcess.html#a7693e31b6ac1ff3a67e3dba33c52b039">00628</a> <span class="keywordtype">bool</span> <a class="code" href="classKProcess.html#a7693e31b6ac1ff3a67e3dba33c52b039" title="Transmit data to the child process' stdin.">KProcess::writeStdin</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *buffer, <span class="keywordtype">int</span> buflen)
<a name="l00629"></a>00629 {
<a name="l00630"></a>00630 <span class="comment">// if there is still data pending, writing new data</span>
<a name="l00631"></a>00631 <span class="comment">// to stdout is not allowed (since it could also confuse</span>
<a name="l00632"></a>00632 <span class="comment">// kprocess ...)</span>
<a name="l00633"></a>00633 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a6c04f1b4b85da186000cbb00601c7a7d" title="The buffer holding the data that has to be sent to the child.">input_data</a> != 0)
<a name="l00634"></a>00634 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00635"></a>00635
<a name="l00636"></a>00636 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & Stdin) {
<a name="l00637"></a>00637 <a class="code" href="classKProcess.html#a6c04f1b4b85da186000cbb00601c7a7d" title="The buffer holding the data that has to be sent to the child.">input_data</a> = buffer;
<a name="l00638"></a>00638 <a class="code" href="classKProcess.html#a964a2514e86ca1c27819647a65cdf2ac" title="The number of bytes already transmitted.">input_sent</a> = 0;
<a name="l00639"></a>00639 <a class="code" href="classKProcess.html#a932e8f8fa4a4fbd502f738926d4ad3c1" title="The total length of input_data.">input_total</a> = buflen;
<a name="l00640"></a>00640 <a class="code" href="classKProcess.html#a5e5c9b65122b0e8ffc9bb9bd178e1af3" title="The socket notifier for in[1].">innot</a>-><a class="codeRef" href="qsocketnotifier.html#setEnabled">setEnabled</a>(<span class="keyword">true</span>);
<a name="l00641"></a>00641 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a932e8f8fa4a4fbd502f738926d4ad3c1" title="The total length of input_data.">input_total</a>)
<a name="l00642"></a>00642 <a class="code" href="classKProcess.html#ad8b7bfecd2823a1ec82f68264203d44b" title="Called when another bulk of data can be sent to the child's stdin.">slotSendData</a>(0);
<a name="l00643"></a>00643 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00644"></a>00644 } <span class="keywordflow">else</span>
<a name="l00645"></a>00645 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00646"></a>00646 }
<a name="l00647"></a>00647
<a name="l00648"></a><a class="code" href="classKProcess.html#a9e8e7f022d168a9d72c08f020d3696dd">00648</a> <span class="keywordtype">void</span> <a class="code" href="classKProcess.html#a9e8e7f022d168a9d72c08f020d3696dd" title="Suspend processing of data from stdout of the child process.">KProcess::suspend</a>()
<a name="l00649"></a>00649 {
<a name="l00650"></a>00650 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a26538d7ebe7594e951dcb8921f99126a" title="The socket notifier for out[0].">outnot</a>)
<a name="l00651"></a>00651 <a class="code" href="classKProcess.html#a26538d7ebe7594e951dcb8921f99126a" title="The socket notifier for out[0].">outnot</a>-><a class="codeRef" href="qsocketnotifier.html#setEnabled">setEnabled</a>(<span class="keyword">false</span>);
<a name="l00652"></a>00652 }
<a name="l00653"></a>00653
<a name="l00654"></a><a class="code" href="classKProcess.html#a05e70e17b2da0677a4ac77c93a9f1eda">00654</a> <span class="keywordtype">void</span> <a class="code" href="classKProcess.html#a05e70e17b2da0677a4ac77c93a9f1eda" title="Resume processing of data from stdout of the child process.">KProcess::resume</a>()
<a name="l00655"></a>00655 {
<a name="l00656"></a>00656 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a26538d7ebe7594e951dcb8921f99126a" title="The socket notifier for out[0].">outnot</a>)
<a name="l00657"></a>00657 <a class="code" href="classKProcess.html#a26538d7ebe7594e951dcb8921f99126a" title="The socket notifier for out[0].">outnot</a>-><a class="codeRef" href="qsocketnotifier.html#setEnabled">setEnabled</a>(<span class="keyword">true</span>);
<a name="l00658"></a>00658 }
<a name="l00659"></a>00659
<a name="l00660"></a><a class="code" href="classKProcess.html#a97e1588545f59dc4740b98361b0d5041">00660</a> <span class="keywordtype">bool</span> <a class="code" href="classKProcess.html#a97e1588545f59dc4740b98361b0d5041" title="Shuts down the Stdin communication link.">KProcess::closeStdin</a>()
<a name="l00661"></a>00661 {
<a name="l00662"></a>00662 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & Stdin) {
<a name="l00663"></a>00663 <a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> = (<a class="code" href="classKProcess.html#a31e69eb366082bb93bbdc31e6e281019" title="Modes in which the communication channel can be opened.">Communication</a>) (<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & ~Stdin);
<a name="l00664"></a>00664 <span class="keyword">delete</span> <a class="code" href="classKProcess.html#a5e5c9b65122b0e8ffc9bb9bd178e1af3" title="The socket notifier for in[1].">innot</a>;
<a name="l00665"></a>00665 <a class="code" href="classKProcess.html#a5e5c9b65122b0e8ffc9bb9bd178e1af3" title="The socket notifier for in[1].">innot</a> = 0;
<a name="l00666"></a>00666 <span class="keywordflow">if</span> (!(d->usePty & Stdin))
<a name="l00667"></a>00667 close(<a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[1]);
<a name="l00668"></a>00668 <a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[1] = -1;
<a name="l00669"></a>00669 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00670"></a>00670 } <span class="keywordflow">else</span>
<a name="l00671"></a>00671 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00672"></a>00672 }
<a name="l00673"></a>00673
<a name="l00674"></a><a class="code" href="classKProcess.html#ab81b090aacc607fad831aeb8223996df">00674</a> <span class="keywordtype">bool</span> <a class="code" href="classKProcess.html#ab81b090aacc607fad831aeb8223996df" title="Shuts down the Stdout communication link.">KProcess::closeStdout</a>()
<a name="l00675"></a>00675 {
<a name="l00676"></a>00676 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & Stdout) {
<a name="l00677"></a>00677 <a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> = (<a class="code" href="classKProcess.html#a31e69eb366082bb93bbdc31e6e281019" title="Modes in which the communication channel can be opened.">Communication</a>) (<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & ~Stdout);
<a name="l00678"></a>00678 <span class="keyword">delete</span> <a class="code" href="classKProcess.html#a26538d7ebe7594e951dcb8921f99126a" title="The socket notifier for out[0].">outnot</a>;
<a name="l00679"></a>00679 <a class="code" href="classKProcess.html#a26538d7ebe7594e951dcb8921f99126a" title="The socket notifier for out[0].">outnot</a> = 0;
<a name="l00680"></a>00680 <span class="keywordflow">if</span> (!(d->usePty & Stdout))
<a name="l00681"></a>00681 close(<a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[0]);
<a name="l00682"></a>00682 <a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[0] = -1;
<a name="l00683"></a>00683 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00684"></a>00684 } <span class="keywordflow">else</span>
<a name="l00685"></a>00685 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00686"></a>00686 }
<a name="l00687"></a>00687
<a name="l00688"></a><a class="code" href="classKProcess.html#a2827d6fa759f83999684619560414311">00688</a> <span class="keywordtype">bool</span> <a class="code" href="classKProcess.html#a2827d6fa759f83999684619560414311" title="Shuts down the Stderr communication link.">KProcess::closeStderr</a>()
<a name="l00689"></a>00689 {
<a name="l00690"></a>00690 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & Stderr) {
<a name="l00691"></a>00691 <a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> = (<a class="code" href="classKProcess.html#a31e69eb366082bb93bbdc31e6e281019" title="Modes in which the communication channel can be opened.">Communication</a>) (<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & ~Stderr);
<a name="l00692"></a>00692 <span class="keyword">delete</span> <a class="code" href="classKProcess.html#ac7c7609ebd3ce7c0cd3bba4932ab5fc3" title="The socket notifier for err[0].">errnot</a>;
<a name="l00693"></a>00693 <a class="code" href="classKProcess.html#ac7c7609ebd3ce7c0cd3bba4932ab5fc3" title="The socket notifier for err[0].">errnot</a> = 0;
<a name="l00694"></a>00694 <span class="keywordflow">if</span> (!(d->usePty & Stderr))
<a name="l00695"></a>00695 close(<a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[0]);
<a name="l00696"></a>00696 <a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[0] = -1;
<a name="l00697"></a>00697 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00698"></a>00698 } <span class="keywordflow">else</span>
<a name="l00699"></a>00699 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00700"></a>00700 }
<a name="l00701"></a>00701
<a name="l00702"></a><a class="code" href="classKProcess.html#ad0285425ec1237978fac076ff653d653">00702</a> <span class="keywordtype">bool</span> <a class="code" href="classKProcess.html#ad0285425ec1237978fac076ff653d653" title="Deletes the optional utmp entry and closes the pty.">KProcess::closePty</a>()
<a name="l00703"></a>00703 {
<a name="l00704"></a>00704 <span class="preprocessor">#ifdef Q_OS_UNIX</span>
<a name="l00705"></a>00705 <span class="preprocessor"></span> <span class="keywordflow">if</span> (d->pty && d->pty->masterFd() >= 0) {
<a name="l00706"></a>00706 <span class="keywordflow">if</span> (d->addUtmp)
<a name="l00707"></a>00707 d->pty->logout();
<a name="l00708"></a>00708 d->pty->close();
<a name="l00709"></a>00709 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00710"></a>00710 } <span class="keywordflow">else</span>
<a name="l00711"></a>00711 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00712"></a>00712 <span class="preprocessor">#else</span>
<a name="l00713"></a>00713 <span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00714"></a>00714 <span class="preprocessor">#endif</span>
<a name="l00715"></a>00715 <span class="preprocessor"></span>}
<a name="l00716"></a>00716
<a name="l00717"></a><a class="code" href="classKProcess.html#a884eff7ae3fdf78add81dca04b048006">00717</a> <span class="keywordtype">void</span> <a class="code" href="classKProcess.html#a884eff7ae3fdf78add81dca04b048006" title="Close stdin, stdout, stderr and the pty.">KProcess::closeAll</a>()
<a name="l00718"></a>00718 {
<a name="l00719"></a>00719 <a class="code" href="classKProcess.html#a97e1588545f59dc4740b98361b0d5041" title="Shuts down the Stdin communication link.">closeStdin</a>();
<a name="l00720"></a>00720 <a class="code" href="classKProcess.html#ab81b090aacc607fad831aeb8223996df" title="Shuts down the Stdout communication link.">closeStdout</a>();
<a name="l00721"></a>00721 <a class="code" href="classKProcess.html#a2827d6fa759f83999684619560414311" title="Shuts down the Stderr communication link.">closeStderr</a>();
<a name="l00722"></a>00722 <a class="code" href="classKProcess.html#ad0285425ec1237978fac076ff653d653" title="Deletes the optional utmp entry and closes the pty.">closePty</a>();
<a name="l00723"></a>00723 }
<a name="l00724"></a>00724
<a name="l00726"></a>00726 <span class="comment">// protected slots //</span>
<a name="l00728"></a>00728 <span class="comment"></span>
<a name="l00729"></a>00729
<a name="l00730"></a>00730
<a name="l00731"></a><a class="code" href="classKProcess.html#ab9fe8d414081be6c867317ac78f9ae30">00731</a> <span class="keywordtype">void</span> <a class="code" href="classKProcess.html#ab9fe8d414081be6c867317ac78f9ae30" title="This slot gets activated when data from the child's stdout arrives.">KProcess::slotChildOutput</a>(<span class="keywordtype">int</span> fdno)
<a name="l00732"></a>00732 {
<a name="l00733"></a>00733 <span class="keywordflow">if</span> (!<a class="code" href="classKProcess.html#aab4789728c641923d6a568faf39794c8" title="Called by slotChildOutput() this function copies data arriving from the child process' stdout to the ...">childOutput</a>(fdno))
<a name="l00734"></a>00734 <a class="code" href="classKProcess.html#ab81b090aacc607fad831aeb8223996df" title="Shuts down the Stdout communication link.">closeStdout</a>();
<a name="l00735"></a>00735 }
<a name="l00736"></a>00736
<a name="l00737"></a>00737
<a name="l00738"></a><a class="code" href="classKProcess.html#a7f4f3e5e9836e713bad30ffa60f12574">00738</a> <span class="keywordtype">void</span> <a class="code" href="classKProcess.html#a7f4f3e5e9836e713bad30ffa60f12574" title="This slot gets activated when data from the child's stderr arrives.">KProcess::slotChildError</a>(<span class="keywordtype">int</span> fdno)
<a name="l00739"></a>00739 {
<a name="l00740"></a>00740 <span class="keywordflow">if</span> (!<a class="code" href="classKProcess.html#affc654d6fc0ecf1ce5477115d2960912" title="Called by slotChildError() this function copies data arriving from the child process' stderr to the r...">childError</a>(fdno))
<a name="l00741"></a>00741 <a class="code" href="classKProcess.html#a2827d6fa759f83999684619560414311" title="Shuts down the Stderr communication link.">closeStderr</a>();
<a name="l00742"></a>00742 }
<a name="l00743"></a>00743
<a name="l00744"></a>00744
<a name="l00745"></a><a class="code" href="classKProcess.html#ad8b7bfecd2823a1ec82f68264203d44b">00745</a> <span class="keywordtype">void</span> <a class="code" href="classKProcess.html#ad8b7bfecd2823a1ec82f68264203d44b" title="Called when another bulk of data can be sent to the child's stdin.">KProcess::slotSendData</a>(<span class="keywordtype">int</span>)
<a name="l00746"></a>00746 {
<a name="l00747"></a>00747 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a964a2514e86ca1c27819647a65cdf2ac" title="The number of bytes already transmitted.">input_sent</a> == <a class="code" href="classKProcess.html#a932e8f8fa4a4fbd502f738926d4ad3c1" title="The total length of input_data.">input_total</a>) {
<a name="l00748"></a>00748 <a class="code" href="classKProcess.html#a5e5c9b65122b0e8ffc9bb9bd178e1af3" title="The socket notifier for in[1].">innot</a>-><a class="codeRef" href="qsocketnotifier.html#setEnabled">setEnabled</a>(<span class="keyword">false</span>);
<a name="l00749"></a>00749 <a class="code" href="classKProcess.html#a6c04f1b4b85da186000cbb00601c7a7d" title="The buffer holding the data that has to be sent to the child.">input_data</a> = 0;
<a name="l00750"></a>00750 emit <a class="code" href="classKProcess.html#ad8640fd7fd567c1c77542868fb6a4688" title="Emitted after all the data that has been specified by a prior call to writeStdin() has actually been ...">wroteStdin</a>(<span class="keyword">this</span>);
<a name="l00751"></a>00751 } <span class="keywordflow">else</span> {
<a name="l00752"></a>00752 <span class="keywordtype">int</span> result = ::write(<a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[1], <a class="code" href="classKProcess.html#a6c04f1b4b85da186000cbb00601c7a7d" title="The buffer holding the data that has to be sent to the child.">input_data</a>+<a class="code" href="classKProcess.html#a964a2514e86ca1c27819647a65cdf2ac" title="The number of bytes already transmitted.">input_sent</a>, <a class="code" href="classKProcess.html#a932e8f8fa4a4fbd502f738926d4ad3c1" title="The total length of input_data.">input_total</a>-<a class="code" href="classKProcess.html#a964a2514e86ca1c27819647a65cdf2ac" title="The number of bytes already transmitted.">input_sent</a>);
<a name="l00753"></a>00753 <span class="keywordflow">if</span> (result >= 0)
<a name="l00754"></a>00754 {
<a name="l00755"></a>00755 input_sent += result;
<a name="l00756"></a>00756 }
<a name="l00757"></a>00757 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((errno != EAGAIN) && (errno != EINTR))
<a name="l00758"></a>00758 {
<a name="l00759"></a>00759 kdDebug(175) << <span class="stringliteral">"Error writing to stdin of child process"</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00760"></a>00760 <a class="code" href="classKProcess.html#a97e1588545f59dc4740b98361b0d5041" title="Shuts down the Stdin communication link.">closeStdin</a>();
<a name="l00761"></a>00761 }
<a name="l00762"></a>00762 }
<a name="l00763"></a>00763 }
<a name="l00764"></a>00764
<a name="l00765"></a><a class="code" href="classKProcess.html#ad7588f452668a2a3c8b44814ff0df953">00765</a> <span class="keywordtype">void</span> <a class="code" href="classKProcess.html#ad7588f452668a2a3c8b44814ff0df953" title="Specify whether to start the command via a shell or directly.">KProcess::setUseShell</a>(<span class="keywordtype">bool</span> useShell, <span class="keyword">const</span> <span class="keywordtype">char</span> *shell)
<a name="l00766"></a>00766 {
<a name="l00767"></a>00767 d->useShell = useShell;
<a name="l00768"></a>00768 <span class="keywordflow">if</span> (shell && *shell)
<a name="l00769"></a>00769 d->shell = shell;
<a name="l00770"></a>00770 <span class="keywordflow">else</span>
<a name="l00771"></a>00771 <span class="comment">// #ifdef NON_FREE // ... as they ship non-POSIX /bin/sh</span>
<a name="l00772"></a>00772 <span class="preprocessor">#if !defined(__linux__) && !defined(__FreeBSD__) && !defined(__NetBSD__) && !defined(__OpenBSD__) && !defined(__GNU__) && !defined(__DragonFly__)</span>
<a name="l00773"></a>00773 <span class="preprocessor"></span> <span class="comment">// Solaris POSIX ...</span>
<a name="l00774"></a>00774 <span class="keywordflow">if</span> (!access( <span class="stringliteral">"/usr/xpg4/bin/sh"</span>, X_OK ))
<a name="l00775"></a>00775 d->shell = <span class="stringliteral">"/usr/xpg4/bin/sh"</span>;
<a name="l00776"></a>00776 <span class="keywordflow">else</span>
<a name="l00777"></a>00777 <span class="comment">// ... which links here anyway</span>
<a name="l00778"></a>00778 <span class="keywordflow">if</span> (!access( <span class="stringliteral">"/bin/ksh"</span>, X_OK ))
<a name="l00779"></a>00779 d->shell = <span class="stringliteral">"/bin/ksh"</span>;
<a name="l00780"></a>00780 <span class="keywordflow">else</span>
<a name="l00781"></a>00781 <span class="comment">// dunno, maybe superfluous?</span>
<a name="l00782"></a>00782 <span class="keywordflow">if</span> (!access( <span class="stringliteral">"/usr/ucb/sh"</span>, X_OK ))
<a name="l00783"></a>00783 d->shell = <span class="stringliteral">"/usr/ucb/sh"</span>;
<a name="l00784"></a>00784 <span class="keywordflow">else</span>
<a name="l00785"></a>00785 <span class="preprocessor">#endif</span>
<a name="l00786"></a>00786 <span class="preprocessor"></span> d->shell = <span class="stringliteral">"/bin/sh"</span>;
<a name="l00787"></a>00787 }
<a name="l00788"></a>00788
<a name="l00789"></a>00789 <span class="preprocessor">#ifdef Q_OS_UNIX</span>
<a name="l00790"></a><a class="code" href="classKProcess.html#a9ab0370de452a51b31c4b435be62955c">00790</a> <span class="preprocessor"></span><span class="keywordtype">void</span> <a class="code" href="classKProcess.html#a9ab0370de452a51b31c4b435be62955c" title="Specify whether to create a pty (pseudo-terminal) for running the command.">KProcess::setUsePty</a>(<a class="code" href="classKProcess.html#a31e69eb366082bb93bbdc31e6e281019" title="Modes in which the communication channel can be opened.">Communication</a> usePty, <span class="keywordtype">bool</span> addUtmp)
<a name="l00791"></a>00791 {
<a name="l00792"></a>00792 d->usePty = usePty;
<a name="l00793"></a>00793 d->addUtmp = addUtmp;
<a name="l00794"></a>00794 <span class="keywordflow">if</span> (usePty) {
<a name="l00795"></a>00795 <span class="keywordflow">if</span> (!d->pty)
<a name="l00796"></a>00796 d->pty = <span class="keyword">new</span> <a class="code" href="classKPty.html" title="Provides a high level representation of a pseudo tty pair, including utmp support.">KPty</a>;
<a name="l00797"></a>00797 } <span class="keywordflow">else</span> {
<a name="l00798"></a>00798 <span class="keyword">delete</span> d->pty;
<a name="l00799"></a>00799 d->pty = 0;
<a name="l00800"></a>00800 }
<a name="l00801"></a>00801 }
<a name="l00802"></a>00802
<a name="l00803"></a><a class="code" href="classKProcess.html#a9e76575c5459566a4c2a1689df9a49e4">00803</a> <a class="code" href="classKPty.html" title="Provides a high level representation of a pseudo tty pair, including utmp support.">KPty</a> *<a class="code" href="classKProcess.html#a9e76575c5459566a4c2a1689df9a49e4" title="Obtains the pty object used by this process.">KProcess::pty</a>()<span class="keyword"> const</span>
<a name="l00804"></a>00804 <span class="keyword"></span>{
<a name="l00805"></a>00805 <span class="keywordflow">return</span> d->pty;
<a name="l00806"></a>00806 }
<a name="l00807"></a>00807 <span class="preprocessor">#endif //Q_OS_UNIX</span>
<a name="l00808"></a>00808 <span class="preprocessor"></span>
<a name="l00809"></a><a class="code" href="classKProcess.html#a1ce049f3abcc805d6e5d44988451d32a">00809</a> <a class="codeRef" href="qstring.html">QString</a> <a class="code" href="classKProcess.html#a1ce049f3abcc805d6e5d44988451d32a" title="This function can be used to quote an argument string such that the shell processes it properly...">KProcess::quote</a>(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &arg)
<a name="l00810"></a>00810 {
<a name="l00811"></a>00811 <a class="codeRef" href="qchar.html">QChar</a> q(<span class="charliteral">'\''</span>);
<a name="l00812"></a>00812 <span class="keywordflow">return</span> <a class="codeRef" href="qstring.html">QString</a>(arg).<a class="codeRef" href="qstring.html#replace">replace</a>(q, <span class="stringliteral">"'\\''"</span>).prepend(q).append(q);
<a name="l00813"></a>00813 }
<a name="l00814"></a>00814
<a name="l00815"></a>00815
<a name="l00817"></a>00817 <span class="comment">// private member functions //</span>
<a name="l00819"></a>00819 <span class="comment"></span>
<a name="l00820"></a>00820
<a name="l00821"></a><a class="code" href="classKProcess.html#abd4f6e864a0dc1991b6de85d3139cba9">00821</a> <span class="keywordtype">void</span> <a class="code" href="classKProcess.html#abd4f6e864a0dc1991b6de85d3139cba9" title="Immediately called after a successfully started process in NotifyOnExit mode has exited.">KProcess::processHasExited</a>(<span class="keywordtype">int</span> state)
<a name="l00822"></a>00822 {
<a name="l00823"></a>00823 <span class="comment">// only successfully run NotifyOnExit processes ever get here</span>
<a name="l00824"></a>00824
<a name="l00825"></a>00825 <a class="code" href="classKProcess.html#a9ba7b8b228ee6796dae2db3d6ddcebda" title="The process' exit status as returned by waitpid().">status</a> = state;
<a name="l00826"></a>00826 <a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a> = <span class="keyword">false</span>; <span class="comment">// do this before commClose, so it knows we're dead</span>
<a name="l00827"></a>00827
<a name="l00828"></a>00828 <a class="code" href="classKProcess.html#a452a674ce8be325cae6d5def69a77007" title="Cleans up the communication links to the child after it has exited.">commClose</a>(); <span class="comment">// cleanup communication sockets</span>
<a name="l00829"></a>00829
<a name="l00830"></a>00830 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#afd1ff53b0689db4bb6d59170c8ac685d" title="How to run the process (Block, NotifyOnExit, DontCare).">run_mode</a> != <a class="code" href="classKProcess.html#a2fbcd413da7eb360ac1a71761f1631b7ab8d822b0fb0fc38fafa565197a01b470" title="The application does not receive notifications from the subprocess when it is finished or aborted...">DontCare</a>)
<a name="l00831"></a>00831 emit <a class="code" href="classKProcess.html#a596356c0f7f45a34b5a701ae3c99ec3b" title="Emitted after the process has terminated when the process was run in the NotifyOnExit (==default opti...">processExited</a>(<span class="keyword">this</span>);
<a name="l00832"></a>00832 }
<a name="l00833"></a>00833
<a name="l00834"></a>00834
<a name="l00835"></a>00835
<a name="l00836"></a><a class="code" href="classKProcess.html#aab4789728c641923d6a568faf39794c8">00836</a> <span class="keywordtype">int</span> <a class="code" href="classKProcess.html#aab4789728c641923d6a568faf39794c8" title="Called by slotChildOutput() this function copies data arriving from the child process' stdout to the ...">KProcess::childOutput</a>(<span class="keywordtype">int</span> fdno)
<a name="l00837"></a>00837 {
<a name="l00838"></a>00838 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & NoRead) {
<a name="l00839"></a>00839 <span class="keywordtype">int</span> len = -1;
<a name="l00840"></a>00840 emit <a class="code" href="classKProcess.html#aa9b31c4a0ff11ff88ad074e130d1d819" title="Emitted, when output from the child process has been received on stdout.">receivedStdout</a>(fdno, len);
<a name="l00841"></a>00841 errno = 0; <span class="comment">// Make sure errno doesn't read "EAGAIN"</span>
<a name="l00842"></a>00842 <span class="keywordflow">return</span> len;
<a name="l00843"></a>00843 }
<a name="l00844"></a>00844 <span class="keywordflow">else</span>
<a name="l00845"></a>00845 {
<a name="l00846"></a>00846 <span class="keywordtype">char</span> buffer[1025];
<a name="l00847"></a>00847 <span class="keywordtype">int</span> len;
<a name="l00848"></a>00848
<a name="l00849"></a>00849 len = ::read(fdno, buffer, 1024);
<a name="l00850"></a>00850
<a name="l00851"></a>00851 <span class="keywordflow">if</span> (len > 0) {
<a name="l00852"></a>00852 buffer[len] = 0; <span class="comment">// Just in case.</span>
<a name="l00853"></a>00853 emit <a class="code" href="classKProcess.html#aa9b31c4a0ff11ff88ad074e130d1d819" title="Emitted, when output from the child process has been received on stdout.">receivedStdout</a>(<span class="keyword">this</span>, buffer, len);
<a name="l00854"></a>00854 }
<a name="l00855"></a>00855 <span class="keywordflow">return</span> len;
<a name="l00856"></a>00856 }
<a name="l00857"></a>00857 }
<a name="l00858"></a>00858
<a name="l00859"></a><a class="code" href="classKProcess.html#affc654d6fc0ecf1ce5477115d2960912">00859</a> <span class="keywordtype">int</span> <a class="code" href="classKProcess.html#affc654d6fc0ecf1ce5477115d2960912" title="Called by slotChildError() this function copies data arriving from the child process' stderr to the r...">KProcess::childError</a>(<span class="keywordtype">int</span> fdno)
<a name="l00860"></a>00860 {
<a name="l00861"></a>00861 <span class="keywordtype">char</span> buffer[1025];
<a name="l00862"></a>00862 <span class="keywordtype">int</span> len;
<a name="l00863"></a>00863
<a name="l00864"></a>00864 len = ::read(fdno, buffer, 1024);
<a name="l00865"></a>00865
<a name="l00866"></a>00866 <span class="keywordflow">if</span> (len > 0) {
<a name="l00867"></a>00867 buffer[len] = 0; <span class="comment">// Just in case.</span>
<a name="l00868"></a>00868 emit <a class="code" href="classKProcess.html#ae857ef848ab68bac3b40c940ade2ffcf" title="Emitted, when output from the child process has been received on stderr.">receivedStderr</a>(<span class="keyword">this</span>, buffer, len);
<a name="l00869"></a>00869 }
<a name="l00870"></a>00870 <span class="keywordflow">return</span> len;
<a name="l00871"></a>00871 }
<a name="l00872"></a>00872
<a name="l00873"></a>00873
<a name="l00874"></a><a class="code" href="classKProcess.html#a6882570c9c871f9a1c8e897e6684b5ac">00874</a> <span class="keywordtype">int</span> <a class="code" href="classKProcess.html#a6882570c9c871f9a1c8e897e6684b5ac" title="This function is called from start() right before a fork() takes place.">KProcess::setupCommunication</a>(<a class="code" href="classKProcess.html#a31e69eb366082bb93bbdc31e6e281019" title="Modes in which the communication channel can be opened.">Communication</a> comm)
<a name="l00875"></a>00875 {
<a name="l00876"></a>00876 <span class="preprocessor">#ifdef Q_OS_UNIX</span>
<a name="l00877"></a>00877 <span class="preprocessor"></span> <span class="comment">// PTY stuff //</span>
<a name="l00878"></a>00878 <span class="keywordflow">if</span> (d->usePty)
<a name="l00879"></a>00879 {
<a name="l00880"></a>00880 <span class="comment">// cannot communicate on both stderr and stdout if they are both on the pty</span>
<a name="l00881"></a>00881 <span class="keywordflow">if</span> (!(~(comm & d->usePty) & (Stdout | Stderr))) {
<a name="l00882"></a>00882 kdWarning(175) << <span class="stringliteral">"Invalid usePty/communication combination ("</span> << d->usePty << <span class="stringliteral">"/"</span> << comm << <span class="stringliteral">")"</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00883"></a>00883 <span class="keywordflow">return</span> 0;
<a name="l00884"></a>00884 }
<a name="l00885"></a>00885 <span class="keywordflow">if</span> (!d->pty->open())
<a name="l00886"></a>00886 <span class="keywordflow">return</span> 0;
<a name="l00887"></a>00887
<a name="l00888"></a>00888 <span class="keywordtype">int</span> rcomm = comm & d->usePty;
<a name="l00889"></a>00889 <span class="keywordtype">int</span> mfd = d->pty->masterFd();
<a name="l00890"></a>00890 <span class="keywordflow">if</span> (rcomm & Stdin)
<a name="l00891"></a>00891 <a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[1] = mfd;
<a name="l00892"></a>00892 <span class="keywordflow">if</span> (rcomm & Stdout)
<a name="l00893"></a>00893 <a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[0] = mfd;
<a name="l00894"></a>00894 <span class="keywordflow">if</span> (rcomm & Stderr)
<a name="l00895"></a>00895 <a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[0] = mfd;
<a name="l00896"></a>00896 }
<a name="l00897"></a>00897
<a name="l00898"></a>00898 <a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> = comm;
<a name="l00899"></a>00899
<a name="l00900"></a>00900 comm = (<a class="code" href="classKProcess.html#a31e69eb366082bb93bbdc31e6e281019" title="Modes in which the communication channel can be opened.">Communication</a>) (comm & ~d->usePty);
<a name="l00901"></a>00901 <span class="keywordflow">if</span> (comm & Stdin) {
<a name="l00902"></a>00902 <span class="keywordflow">if</span> (socketpair(AF_UNIX, SOCK_STREAM, 0, <a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>))
<a name="l00903"></a>00903 <span class="keywordflow">goto</span> fail0;
<a name="l00904"></a>00904 fcntl(<a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[0], F_SETFD, FD_CLOEXEC);
<a name="l00905"></a>00905 fcntl(<a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[1], F_SETFD, FD_CLOEXEC);
<a name="l00906"></a>00906 }
<a name="l00907"></a>00907 <span class="keywordflow">if</span> (comm & Stdout) {
<a name="l00908"></a>00908 <span class="keywordflow">if</span> (socketpair(AF_UNIX, SOCK_STREAM, 0, <a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>))
<a name="l00909"></a>00909 <span class="keywordflow">goto</span> fail1;
<a name="l00910"></a>00910 fcntl(<a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[0], F_SETFD, FD_CLOEXEC);
<a name="l00911"></a>00911 fcntl(<a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[1], F_SETFD, FD_CLOEXEC);
<a name="l00912"></a>00912 }
<a name="l00913"></a>00913 <span class="keywordflow">if</span> (comm & Stderr) {
<a name="l00914"></a>00914 <span class="keywordflow">if</span> (socketpair(AF_UNIX, SOCK_STREAM, 0, <a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>))
<a name="l00915"></a>00915 <span class="keywordflow">goto</span> fail2;
<a name="l00916"></a>00916 fcntl(<a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[0], F_SETFD, FD_CLOEXEC);
<a name="l00917"></a>00917 fcntl(<a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[1], F_SETFD, FD_CLOEXEC);
<a name="l00918"></a>00918 }
<a name="l00919"></a>00919 <span class="keywordflow">return</span> 1; <span class="comment">// Ok</span>
<a name="l00920"></a>00920 fail2:
<a name="l00921"></a>00921 <span class="keywordflow">if</span> (comm & Stdout)
<a name="l00922"></a>00922 {
<a name="l00923"></a>00923 close(<a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[0]);
<a name="l00924"></a>00924 close(<a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[1]);
<a name="l00925"></a>00925 <a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[0] = <a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[1] = -1;
<a name="l00926"></a>00926 }
<a name="l00927"></a>00927 fail1:
<a name="l00928"></a>00928 <span class="keywordflow">if</span> (comm & Stdin)
<a name="l00929"></a>00929 {
<a name="l00930"></a>00930 close(<a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[0]);
<a name="l00931"></a>00931 close(<a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[1]);
<a name="l00932"></a>00932 <a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[0] = <a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[1] = -1;
<a name="l00933"></a>00933 }
<a name="l00934"></a>00934 fail0:
<a name="l00935"></a>00935 <a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> = NoCommunication;
<a name="l00936"></a>00936 <span class="preprocessor">#endif //Q_OS_UNIX</span>
<a name="l00937"></a>00937 <span class="preprocessor"></span> <span class="keywordflow">return</span> 0; <span class="comment">// Error</span>
<a name="l00938"></a>00938 }
<a name="l00939"></a>00939
<a name="l00940"></a>00940
<a name="l00941"></a>00941
<a name="l00942"></a><a class="code" href="classKProcess.html#a7b0a71a3192dac2b3d012d1534f4860a">00942</a> <span class="keywordtype">int</span> <a class="code" href="classKProcess.html#a7b0a71a3192dac2b3d012d1534f4860a" title="Called right after a (successful) fork() on the parent side.">KProcess::commSetupDoneP</a>()
<a name="l00943"></a>00943 {
<a name="l00944"></a>00944 <span class="keywordtype">int</span> rcomm = <a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & ~d->usePty;
<a name="l00945"></a>00945 <span class="keywordflow">if</span> (rcomm & Stdin)
<a name="l00946"></a>00946 close(<a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[0]);
<a name="l00947"></a>00947 <span class="keywordflow">if</span> (rcomm & Stdout)
<a name="l00948"></a>00948 close(<a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[1]);
<a name="l00949"></a>00949 <span class="keywordflow">if</span> (rcomm & Stderr)
<a name="l00950"></a>00950 close(<a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[1]);
<a name="l00951"></a>00951 <a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[0] = <a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[1] = <a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[1] = -1;
<a name="l00952"></a>00952
<a name="l00953"></a>00953 <span class="comment">// Don't create socket notifiers if no interactive comm is to be expected</span>
<a name="l00954"></a>00954 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#afd1ff53b0689db4bb6d59170c8ac685d" title="How to run the process (Block, NotifyOnExit, DontCare).">run_mode</a> != <a class="code" href="classKProcess.html#a2fbcd413da7eb360ac1a71761f1631b7a23184469d4cc8af8e7d34572f22abb78" title="The application is notified when the subprocess dies.">NotifyOnExit</a> && <a class="code" href="classKProcess.html#afd1ff53b0689db4bb6d59170c8ac685d" title="How to run the process (Block, NotifyOnExit, DontCare).">run_mode</a> != <a class="code" href="classKProcess.html#a2fbcd413da7eb360ac1a71761f1631b7a1e9439b8958d69d2b269ee1b7f4de187" title="Same as NotifyOnExit, but the process is run in an own session, just like with DontCare.">OwnGroup</a>)
<a name="l00955"></a>00955 <span class="keywordflow">return</span> 1;
<a name="l00956"></a>00956
<a name="l00957"></a>00957 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & Stdin) {
<a name="l00958"></a>00958 fcntl(<a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[1], F_SETFL, O_NONBLOCK | fcntl(<a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[1], F_GETFL));
<a name="l00959"></a>00959 <a class="code" href="classKProcess.html#a5e5c9b65122b0e8ffc9bb9bd178e1af3" title="The socket notifier for in[1].">innot</a> = <span class="keyword">new</span> <a class="codeRef" href="qsocketnotifier.html">QSocketNotifier</a>(<a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[1], QSocketNotifier::Write, <span class="keyword">this</span>);
<a name="l00960"></a>00960 Q_CHECK_PTR(<a class="code" href="classKProcess.html#a5e5c9b65122b0e8ffc9bb9bd178e1af3" title="The socket notifier for in[1].">innot</a>);
<a name="l00961"></a>00961 <a class="code" href="classKProcess.html#a5e5c9b65122b0e8ffc9bb9bd178e1af3" title="The socket notifier for in[1].">innot</a>-><a class="codeRef" href="qsocketnotifier.html#setEnabled">setEnabled</a>(<span class="keyword">false</span>); <span class="comment">// will be enabled when data has to be sent</span>
<a name="l00962"></a>00962 <a class="codeRef" href="qobject.html#connect">QObject::connect</a>(<a class="code" href="classKProcess.html#a5e5c9b65122b0e8ffc9bb9bd178e1af3" title="The socket notifier for in[1].">innot</a>, SIGNAL(activated(<span class="keywordtype">int</span>)),
<a name="l00963"></a>00963 <span class="keyword">this</span>, SLOT(<a class="code" href="classKProcess.html#ad8b7bfecd2823a1ec82f68264203d44b" title="Called when another bulk of data can be sent to the child's stdin.">slotSendData</a>(<span class="keywordtype">int</span>)));
<a name="l00964"></a>00964 }
<a name="l00965"></a>00965
<a name="l00966"></a>00966 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & Stdout) {
<a name="l00967"></a>00967 <a class="code" href="classKProcess.html#a26538d7ebe7594e951dcb8921f99126a" title="The socket notifier for out[0].">outnot</a> = <span class="keyword">new</span> <a class="codeRef" href="qsocketnotifier.html">QSocketNotifier</a>(<a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[0], QSocketNotifier::Read, <span class="keyword">this</span>);
<a name="l00968"></a>00968 Q_CHECK_PTR(<a class="code" href="classKProcess.html#a26538d7ebe7594e951dcb8921f99126a" title="The socket notifier for out[0].">outnot</a>);
<a name="l00969"></a>00969 <a class="codeRef" href="qobject.html#connect">QObject::connect</a>(<a class="code" href="classKProcess.html#a26538d7ebe7594e951dcb8921f99126a" title="The socket notifier for out[0].">outnot</a>, SIGNAL(activated(<span class="keywordtype">int</span>)),
<a name="l00970"></a>00970 <span class="keyword">this</span>, SLOT(<a class="code" href="classKProcess.html#ab9fe8d414081be6c867317ac78f9ae30" title="This slot gets activated when data from the child's stdout arrives.">slotChildOutput</a>(<span class="keywordtype">int</span>)));
<a name="l00971"></a>00971 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & NoRead)
<a name="l00972"></a>00972 <a class="code" href="classKProcess.html#a9e8e7f022d168a9d72c08f020d3696dd" title="Suspend processing of data from stdout of the child process.">suspend</a>();
<a name="l00973"></a>00973 }
<a name="l00974"></a>00974
<a name="l00975"></a>00975 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & Stderr) {
<a name="l00976"></a>00976 <a class="code" href="classKProcess.html#ac7c7609ebd3ce7c0cd3bba4932ab5fc3" title="The socket notifier for err[0].">errnot</a> = <span class="keyword">new</span> <a class="codeRef" href="qsocketnotifier.html">QSocketNotifier</a>(<a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[0], QSocketNotifier::Read, <span class="keyword">this</span> );
<a name="l00977"></a>00977 Q_CHECK_PTR(<a class="code" href="classKProcess.html#ac7c7609ebd3ce7c0cd3bba4932ab5fc3" title="The socket notifier for err[0].">errnot</a>);
<a name="l00978"></a>00978 <a class="codeRef" href="qobject.html#connect">QObject::connect</a>(<a class="code" href="classKProcess.html#ac7c7609ebd3ce7c0cd3bba4932ab5fc3" title="The socket notifier for err[0].">errnot</a>, SIGNAL(activated(<span class="keywordtype">int</span>)),
<a name="l00979"></a>00979 <span class="keyword">this</span>, SLOT(<a class="code" href="classKProcess.html#a7f4f3e5e9836e713bad30ffa60f12574" title="This slot gets activated when data from the child's stderr arrives.">slotChildError</a>(<span class="keywordtype">int</span>)));
<a name="l00980"></a>00980 }
<a name="l00981"></a>00981
<a name="l00982"></a>00982 <span class="keywordflow">return</span> 1;
<a name="l00983"></a>00983 }
<a name="l00984"></a>00984
<a name="l00985"></a>00985
<a name="l00986"></a>00986
<a name="l00987"></a><a class="code" href="classKProcess.html#ab269724f26b9318db64dfdf917df5460">00987</a> <span class="keywordtype">int</span> <a class="code" href="classKProcess.html#ab269724f26b9318db64dfdf917df5460" title="Called right after a (successful) fork(), but before an exec() on the child process' side...">KProcess::commSetupDoneC</a>()
<a name="l00988"></a>00988 {
<a name="l00989"></a>00989 <span class="keywordtype">int</span> ok = 1;
<a name="l00990"></a>00990 <span class="preprocessor">#ifdef Q_OS_UNIX</span>
<a name="l00991"></a>00991 <span class="preprocessor"></span>
<a name="l00992"></a>00992 <span class="keywordflow">if</span> (d->usePty & Stdin) {
<a name="l00993"></a>00993 <span class="keywordflow">if</span> (dup2(d->pty->slaveFd(), STDIN_FILENO) < 0) ok = 0;
<a name="l00994"></a>00994 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & Stdin) {
<a name="l00995"></a>00995 <span class="keywordflow">if</span> (dup2(<a class="code" href="classKProcess.html#a0b6a4ec5df514967736ca95a927e4bcb" title="The socket descriptors for stdin.">in</a>[0], STDIN_FILENO) < 0) ok = 0;
<a name="l00996"></a>00996 } <span class="keywordflow">else</span> {
<a name="l00997"></a>00997 <span class="keywordtype">int</span> null_fd = open( <span class="stringliteral">"/dev/null"</span>, O_RDONLY );
<a name="l00998"></a>00998 <span class="keywordflow">if</span> (dup2( null_fd, STDIN_FILENO ) < 0) ok = 0;
<a name="l00999"></a>00999 close( null_fd );
<a name="l01000"></a>01000 }
<a name="l01001"></a>01001 <span class="keyword">struct </span>linger so;
<a name="l01002"></a>01002 memset(&so, 0, <span class="keyword">sizeof</span>(so));
<a name="l01003"></a>01003 <span class="keywordflow">if</span> (d->usePty & Stdout) {
<a name="l01004"></a>01004 <span class="keywordflow">if</span> (dup2(d->pty->slaveFd(), STDOUT_FILENO) < 0) ok = 0;
<a name="l01005"></a>01005 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & Stdout) {
<a name="l01006"></a>01006 <span class="keywordflow">if</span> (dup2(<a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[1], STDOUT_FILENO) < 0 ||
<a name="l01007"></a>01007 setsockopt(<a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[1], SOL_SOCKET, SO_LINGER, (<span class="keywordtype">char</span> *)&so, <span class="keyword">sizeof</span>(so)))
<a name="l01008"></a>01008 ok = 0;
<a name="l01009"></a>01009 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & MergedStderr) {
<a name="l01010"></a>01010 <span class="keywordflow">if</span> (dup2(<a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[1], STDERR_FILENO) < 0)
<a name="l01011"></a>01011 ok = 0;
<a name="l01012"></a>01012 }
<a name="l01013"></a>01013 }
<a name="l01014"></a>01014 <span class="keywordflow">if</span> (d->usePty & Stderr) {
<a name="l01015"></a>01015 <span class="keywordflow">if</span> (dup2(d->pty->slaveFd(), STDERR_FILENO) < 0) ok = 0;
<a name="l01016"></a>01016 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & Stderr) {
<a name="l01017"></a>01017 <span class="keywordflow">if</span> (dup2(<a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[1], STDERR_FILENO) < 0 ||
<a name="l01018"></a>01018 setsockopt(<a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[1], SOL_SOCKET, SO_LINGER, (<span class="keywordtype">char</span> *)&so, <span class="keyword">sizeof</span>(so)))
<a name="l01019"></a>01019 ok = 0;
<a name="l01020"></a>01020 }
<a name="l01021"></a>01021
<a name="l01022"></a>01022 <span class="comment">// don't even think about closing all open fds here or anywhere else</span>
<a name="l01023"></a>01023
<a name="l01024"></a>01024 <span class="comment">// PTY stuff //</span>
<a name="l01025"></a>01025 <span class="keywordflow">if</span> (d->usePty) {
<a name="l01026"></a>01026 d->pty->setCTty();
<a name="l01027"></a>01027 <span class="keywordflow">if</span> (d->addUtmp)
<a name="l01028"></a>01028 d->pty->login(<a class="code" href="classKUser.html" title="Represents a user on your system.">KUser</a>(<a class="code" href="classKUser.html#af872dddbf613057193693bfe5de51aefa3456d31acdb3e5a50219bfdd327a0fdd" title="Use the real user id.">KUser::UseRealUserID</a>).loginName().local8Bit().data(), getenv(<span class="stringliteral">"DISPLAY"</span>));
<a name="l01029"></a>01029 }
<a name="l01030"></a>01030 <span class="preprocessor">#endif //Q_OS_UNIX</span>
<a name="l01031"></a>01031 <span class="preprocessor"></span>
<a name="l01032"></a>01032 <span class="keywordflow">return</span> ok;
<a name="l01033"></a>01033 }
<a name="l01034"></a>01034
<a name="l01035"></a>01035
<a name="l01036"></a>01036
<a name="l01037"></a><a class="code" href="classKProcess.html#a452a674ce8be325cae6d5def69a77007">01037</a> <span class="keywordtype">void</span> <a class="code" href="classKProcess.html#a452a674ce8be325cae6d5def69a77007" title="Cleans up the communication links to the child after it has exited.">KProcess::commClose</a>()
<a name="l01038"></a>01038 {
<a name="l01039"></a>01039 <a class="code" href="classKProcess.html#a97e1588545f59dc4740b98361b0d5041" title="Shuts down the Stdin communication link.">closeStdin</a>();
<a name="l01040"></a>01040
<a name="l01041"></a>01041 <span class="preprocessor">#ifdef Q_OS_UNIX</span>
<a name="l01042"></a>01042 <span class="preprocessor"></span> <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a7d0e8e183be85db3acb793e14d8efd87" title="The PID of the currently running process.">pid_</a>) { <span class="comment">// detached, failed, and killed processes have no output. basta. :)</span>
<a name="l01043"></a>01043 <span class="comment">// If both channels are being read we need to make sure that one socket</span>
<a name="l01044"></a>01044 <span class="comment">// buffer doesn't fill up whilst we are waiting for data on the other</span>
<a name="l01045"></a>01045 <span class="comment">// (causing a deadlock). Hence we need to use select.</span>
<a name="l01046"></a>01046
<a name="l01047"></a>01047 <span class="keywordtype">int</span> notfd = <a class="code" href="classKProcessController.html#afa2b4fcac10b3a5b08f7ab6899905c02" title="Only a single instance of this class is allowed at a time, and this static variable is used to track ...">KProcessController::theKProcessController</a>->notifierFd();
<a name="l01048"></a>01048
<a name="l01049"></a>01049 <span class="keywordflow">while</span> ((<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & (Stdout | Stderr)) || <a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a>) {
<a name="l01050"></a>01050 fd_set rfds;
<a name="l01051"></a>01051 FD_ZERO(&rfds);
<a name="l01052"></a>01052 <span class="keyword">struct </span>timeval timeout, *p_timeout;
<a name="l01053"></a>01053
<a name="l01054"></a>01054 <span class="keywordtype">int</span> max_fd = 0;
<a name="l01055"></a>01055 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & Stdout) {
<a name="l01056"></a>01056 FD_SET(<a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[0], &rfds);
<a name="l01057"></a>01057 max_fd = <a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[0];
<a name="l01058"></a>01058 }
<a name="l01059"></a>01059 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & Stderr) {
<a name="l01060"></a>01060 FD_SET(<a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[0], &rfds);
<a name="l01061"></a>01061 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[0] > max_fd)
<a name="l01062"></a>01062 max_fd = <a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[0];
<a name="l01063"></a>01063 }
<a name="l01064"></a>01064 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a>) {
<a name="l01065"></a>01065 FD_SET(notfd, &rfds);
<a name="l01066"></a>01066 <span class="keywordflow">if</span> (notfd > max_fd)
<a name="l01067"></a>01067 max_fd = notfd;
<a name="l01068"></a>01068 <span class="comment">// If the process is still running we block until we</span>
<a name="l01069"></a>01069 <span class="comment">// receive data or the process exits.</span>
<a name="l01070"></a>01070 p_timeout = 0; <span class="comment">// no timeout</span>
<a name="l01071"></a>01071 } <span class="keywordflow">else</span> {
<a name="l01072"></a>01072 <span class="comment">// If the process has already exited, we only check</span>
<a name="l01073"></a>01073 <span class="comment">// the available data, we don't wait for more.</span>
<a name="l01074"></a>01074 timeout.tv_sec = timeout.tv_usec = 0; <span class="comment">// timeout immediately</span>
<a name="l01075"></a>01075 p_timeout = &timeout;
<a name="l01076"></a>01076 }
<a name="l01077"></a>01077
<a name="l01078"></a>01078 <span class="keywordtype">int</span> fds_ready = select(max_fd+1, &rfds, 0, 0, p_timeout);
<a name="l01079"></a>01079 <span class="keywordflow">if</span> (fds_ready < 0) {
<a name="l01080"></a>01080 <span class="keywordflow">if</span> (errno == EINTR)
<a name="l01081"></a>01081 <span class="keywordflow">continue</span>;
<a name="l01082"></a>01082 <span class="keywordflow">break</span>;
<a name="l01083"></a>01083 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!fds_ready)
<a name="l01084"></a>01084 <span class="keywordflow">break</span>;
<a name="l01085"></a>01085
<a name="l01086"></a>01086 <span class="keywordflow">if</span> ((<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & Stdout) && FD_ISSET(<a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[0], &rfds))
<a name="l01087"></a>01087 <a class="code" href="classKProcess.html#ab9fe8d414081be6c867317ac78f9ae30" title="This slot gets activated when data from the child's stdout arrives.">slotChildOutput</a>(<a class="code" href="classKProcess.html#a1f897b0e8827f91dbb5e48cd172fc592" title="The socket descriptors for stdout.">out</a>[0]);
<a name="l01088"></a>01088
<a name="l01089"></a>01089 <span class="keywordflow">if</span> ((<a class="code" href="classKProcess.html#a07250914e31e67f7668ccd6924a4016a" title="Lists the communication links that are activated for the child process.">communication</a> & Stderr) && FD_ISSET(<a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[0], &rfds))
<a name="l01090"></a>01090 <a class="code" href="classKProcess.html#a7f4f3e5e9836e713bad30ffa60f12574" title="This slot gets activated when data from the child's stderr arrives.">slotChildError</a>(<a class="code" href="classKProcess.html#a1a5bc732f828c6b98431e1bac364b2e6" title="The socket descriptors for stderr.">err</a>[0]);
<a name="l01091"></a>01091
<a name="l01092"></a>01092 <span class="keywordflow">if</span> (<a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a> && FD_ISSET(notfd, &rfds)) {
<a name="l01093"></a>01093 <a class="code" href="classKProcess.html#a0e85361e34f384490630e838de3ee060" title="true if the process is currently running.">runs</a> = <span class="keyword">false</span>; <span class="comment">// hack: signal potential exit</span>
<a name="l01094"></a>01094 <span class="keywordflow">return</span>; <span class="comment">// don't close anything, we will be called again</span>
<a name="l01095"></a>01095 }
<a name="l01096"></a>01096 }
<a name="l01097"></a>01097 }
<a name="l01098"></a>01098 <span class="preprocessor">#endif //Q_OS_UNIX</span>
<a name="l01099"></a>01099 <span class="preprocessor"></span>
<a name="l01100"></a>01100 <a class="code" href="classKProcess.html#ab81b090aacc607fad831aeb8223996df" title="Shuts down the Stdout communication link.">closeStdout</a>();
<a name="l01101"></a>01101 <a class="code" href="classKProcess.html#a2827d6fa759f83999684619560414311" title="Shuts down the Stderr communication link.">closeStderr</a>();
<a name="l01102"></a>01102
<a name="l01103"></a>01103 <a class="code" href="classKProcess.html#ad0285425ec1237978fac076ff653d653" title="Deletes the optional utmp entry and closes the pty.">closePty</a>();
<a name="l01104"></a>01104 }
<a name="l01105"></a>01105
<a name="l01106"></a>01106
<a name="l01107"></a>01107 <span class="keywordtype">void</span> KProcess::virtual_hook( <span class="keywordtype">int</span>, <span class="keywordtype">void</span>* )
<a name="l01108"></a>01108 { <span class="comment">/*BASE::virtual_hook( id, data );*/</span> }
<a name="l01109"></a>01109
<a name="l01110"></a>01110
<a name="l01112"></a>01112 <span class="comment">// CC: Class KShellProcess</span>
<a name="l01114"></a>01114 <span class="comment"></span>
<a name="l01115"></a><a class="code" href="classKShellProcess.html#a17af497c2da34c047afa353a2a007237">01115</a> <a class="code" href="classKShellProcess.html#a17af497c2da34c047afa353a2a007237" title="Constructor.">KShellProcess::KShellProcess</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *shellname):
<a name="l01116"></a>01116 <a class="code" href="classKProcess.html" title="Child process invocation, monitoring and control.">KProcess</a>()
<a name="l01117"></a>01117 {
<a name="l01118"></a>01118 <a class="code" href="classKProcess.html#ad7588f452668a2a3c8b44814ff0df953" title="Specify whether to start the command via a shell or directly.">setUseShell</a>( <span class="keyword">true</span>, shellname ? shellname : getenv(<span class="stringliteral">"SHELL"</span>) );
<a name="l01119"></a>01119 }
<a name="l01120"></a>01120
<a name="l01121"></a><a class="code" href="classKShellProcess.html#ae78b595528b2b0bf409614ab99802cc7">01121</a> <a class="code" href="classKShellProcess.html#ae78b595528b2b0bf409614ab99802cc7" title="Destructor.">KShellProcess::~KShellProcess</a>() {
<a name="l01122"></a>01122 }
<a name="l01123"></a>01123
<a name="l01124"></a><a class="code" href="classKShellProcess.html#a78ade7b369ef8e3e3fa21a330d314313">01124</a> <a class="codeRef" href="qstring.html">QString</a> <a class="code" href="classKShellProcess.html#a78ade7b369ef8e3e3fa21a330d314313" title="This function can be used to quote an argument string such that the shell processes it properly...">KShellProcess::quote</a>(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &arg)
<a name="l01125"></a>01125 {
<a name="l01126"></a>01126 <span class="keywordflow">return</span> <a class="code" href="classKShellProcess.html#a78ade7b369ef8e3e3fa21a330d314313" title="This function can be used to quote an argument string such that the shell processes it properly...">KProcess::quote</a>(arg);
<a name="l01127"></a>01127 }
<a name="l01128"></a>01128
<a name="l01129"></a><a class="code" href="classKShellProcess.html#ab1e6d99ed99e0d59af307a4c9c3105ee">01129</a> <span class="keywordtype">bool</span> <a class="code" href="classKShellProcess.html#ab1e6d99ed99e0d59af307a4c9c3105ee" title="Starts the process.">KShellProcess::start</a>(<a class="code" href="classKProcess.html#a2fbcd413da7eb360ac1a71761f1631b7" title="Run-modes for a child process.">RunMode</a> runmode, <a class="code" href="classKProcess.html#a31e69eb366082bb93bbdc31e6e281019" title="Modes in which the communication channel can be opened.">Communication</a> comm)
<a name="l01130"></a>01130 {
<a name="l01131"></a>01131 <span class="keywordflow">return</span> <a class="code" href="classKShellProcess.html#ab1e6d99ed99e0d59af307a4c9c3105ee" title="Starts the process.">KProcess::start</a>(runmode, comm);
<a name="l01132"></a>01132 }
<a name="l01133"></a>01133
<a name="l01134"></a>01134 <span class="keywordtype">void</span> KShellProcess::virtual_hook( <span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">void</span>* data )
<a name="l01135"></a>01135 { KProcess::virtual_hook( <span class="keywordtype">id</span>, data ); }
<a name="l01136"></a>01136
<a name="l01137"></a>01137 <span class="preprocessor">#include "kprocess.moc"</span>
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