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<h1>hotplug_libusb.c</h1> </div>
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<a href="hotplug__libusb_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * MUSCLE SmartCard Development ( http://www.linuxnet.com )</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2001-2004</span>
<a name="l00005"></a>00005 <span class="comment"> * David Corcoran <corcoran@linuxnet.com></span>
<a name="l00006"></a>00006 <span class="comment"> * Copyright (C) 2003-2010</span>
<a name="l00007"></a>00007 <span class="comment"> * Ludovic Rousseau <ludovic.rousseau@free.fr></span>
<a name="l00008"></a>00008 <span class="comment"> * Copyright (C) 2003</span>
<a name="l00009"></a>00009 <span class="comment"> * Toni Andjelkovic <toni@soth.at></span>
<a name="l00010"></a>00010 <span class="comment"> * Copyright (C) 2003-2004</span>
<a name="l00011"></a>00011 <span class="comment"> * Damien Sauveron <damien.sauveron@labri.fr></span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * $Id: hotplug_libusb.c 5636 2011-02-24 19:34:58Z rousseau $</span>
<a name="l00014"></a>00014 <span class="comment"> */</span>
<a name="l00015"></a>00015
<a name="l00021"></a>00021 <span class="preprocessor">#include "config.h"</span>
<a name="l00022"></a>00022 <span class="preprocessor">#ifdef HAVE_LIBUSB</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <string.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <stdio.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <dirent.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <fcntl.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <time.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <unistd.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <errno.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <libusb.h></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <pthread.h></span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="preprocessor">#include "misc.h"</span>
<a name="l00037"></a>00037 <span class="preprocessor">#include "wintypes.h"</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include "<a class="code" href="pcscd_8h.html" title="This keeps a list of defines for pcsc-lite.">pcscd.h</a>"</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include "debuglog.h"</span>
<a name="l00040"></a>00040 <span class="preprocessor">#include "<a class="code" href="parser_8h.html" title="Reads lexical config files and updates database.">parser.h</a>"</span>
<a name="l00041"></a>00041 <span class="preprocessor">#include "<a class="code" href="readerfactory_8h.html" title="This keeps track of a list of currently available reader structures.">readerfactory.h</a>"</span>
<a name="l00042"></a>00042 <span class="preprocessor">#include "<a class="code" href="winscard__msg_8h.html" title="This defines some structures and #defines to be used over the transport layer.">winscard_msg.h</a>"</span>
<a name="l00043"></a>00043 <span class="preprocessor">#include "<a class="code" href="sys__generic_8h.html" title="This handles abstract system level calls.">sys_generic.h</a>"</span>
<a name="l00044"></a>00044 <span class="preprocessor">#include "<a class="code" href="hotplug_8h.html" title="This provides a search API for hot pluggble devices.">hotplug.h</a>"</span>
<a name="l00045"></a>00045 <span class="preprocessor">#include "utils.h"</span>
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="preprocessor">#undef DEBUG_HOTPLUG</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span><span class="preprocessor">#define ADD_SERIAL_NUMBER</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span>
<a name="l00050"></a>00050 <span class="comment">/* format is "%d:%d:%d", bus_number, device_address, interface */</span>
<a name="l00051"></a>00051 <span class="preprocessor">#define BUS_DEVICE_STRSIZE 10+1+10+1+10+1</span>
<a name="l00052"></a>00052 <span class="preprocessor"></span>
<a name="l00053"></a>00053 <span class="preprocessor">#define READER_ABSENT 0</span>
<a name="l00054"></a>00054 <span class="preprocessor"></span><span class="preprocessor">#define READER_PRESENT 1</span>
<a name="l00055"></a>00055 <span class="preprocessor"></span><span class="preprocessor">#define READER_FAILED 2</span>
<a name="l00056"></a>00056 <span class="preprocessor"></span>
<a name="l00057"></a>00057 <span class="preprocessor">#define FALSE 0</span>
<a name="l00058"></a>00058 <span class="preprocessor"></span><span class="preprocessor">#define TRUE 1</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span>
<a name="l00060"></a>00060 <span class="comment">/* we use the default libusb context */</span>
<a name="l00061"></a>00061 <span class="preprocessor">#define ctx NULL</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span>
<a name="l00063"></a>00063 pthread_mutex_t usbNotifierMutex;
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="keyword">static</span> pthread_t usbNotifyThread;
<a name="l00066"></a>00066 <span class="keyword">static</span> <span class="keywordtype">int</span> driverSize = -1;
<a name="l00067"></a>00067 <span class="keyword">static</span> <span class="keywordtype">char</span> AraKiriHotPlug = FALSE;
<a name="l00068"></a>00068 <span class="keyword">static</span> <span class="keywordtype">int</span> rescan_pipe[] = { -1, -1 };
<a name="l00069"></a>00069 <span class="keyword">extern</span> <span class="keywordtype">int</span> HPForceReaderPolling;
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="comment">/* values of ifdCapabilities bits */</span>
<a name="l00072"></a>00072 <span class="preprocessor">#define IFD_GENERATE_HOTPLUG 1</span>
<a name="l00073"></a>00073 <span class="preprocessor"></span>
<a name="l00077"></a>00077 <span class="keyword">static</span> <span class="keyword">struct </span>_driverTracker
<a name="l00078"></a>00078 {
<a name="l00079"></a>00079 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> manuID;
<a name="l00080"></a>00080 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> productID;
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keywordtype">char</span> *bundleName;
<a name="l00083"></a>00083 <span class="keywordtype">char</span> *libraryPath;
<a name="l00084"></a>00084 <span class="keywordtype">char</span> *readerName;
<a name="l00085"></a>00085 <span class="keywordtype">int</span> ifdCapabilities;
<a name="l00086"></a>00086 } *driverTracker = NULL;
<a name="l00087"></a>00087 <span class="preprocessor">#define DRIVER_TRACKER_SIZE_STEP 8</span>
<a name="l00088"></a>00088 <span class="preprocessor"></span>
<a name="l00092"></a>00092 <span class="keyword">static</span> <span class="keyword">struct </span>_readerTracker
<a name="l00093"></a>00093 {
<a name="l00094"></a>00094 <span class="keywordtype">char</span> status;
<a name="l00095"></a>00095 <span class="keywordtype">char</span> bus_device[BUS_DEVICE_STRSIZE];
<a name="l00096"></a>00096 <span class="keywordtype">char</span> *fullName;
<a name="l00097"></a>00097 } readerTracker[<a class="code" href="pcsclite_8h.html#af750e6e22c809de2b523c17e4a092036" title="Maximum readers context (a slot is count as a reader)">PCSCLITE_MAX_READERS_CONTEXTS</a>];
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="keyword">static</span> LONG HPAddHotPluggable(<span class="keyword">struct</span> libusb_device *dev,
<a name="l00100"></a>00100 <span class="keyword">struct</span> libusb_device_descriptor desc,
<a name="l00101"></a>00101 <span class="keyword">const</span> <span class="keywordtype">char</span> bus_device[], <span class="keywordtype">int</span> interface,
<a name="l00102"></a>00102 <span class="keyword">struct</span> _driverTracker *driver);
<a name="l00103"></a>00103 <span class="keyword">static</span> LONG HPRemoveHotPluggable(<span class="keywordtype">int</span> reader_index);
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="keyword">static</span> LONG HPReadBundleValues(<span class="keywordtype">void</span>)
<a name="l00106"></a>00106 {
<a name="l00107"></a>00107 LONG rv;
<a name="l00108"></a>00108 DIR *hpDir;
<a name="l00109"></a>00109 <span class="keyword">struct </span>dirent *currFP = NULL;
<a name="l00110"></a>00110 <span class="keywordtype">char</span> fullPath[FILENAME_MAX];
<a name="l00111"></a>00111 <span class="keywordtype">char</span> fullLibPath[FILENAME_MAX];
<a name="l00112"></a>00112 <span class="keywordtype">int</span> listCount = 0;
<a name="l00113"></a>00113
<a name="l00114"></a>00114 hpDir = opendir(PCSCLITE_HP_DROPDIR);
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="keywordflow">if</span> (hpDir == NULL)
<a name="l00117"></a>00117 {
<a name="l00118"></a>00118 Log1(PCSC_LOG_ERROR, <span class="stringliteral">"Cannot open PC/SC drivers directory: "</span> PCSCLITE_HP_DROPDIR);
<a name="l00119"></a>00119 Log1(PCSC_LOG_ERROR, <span class="stringliteral">"Disabling USB support for pcscd."</span>);
<a name="l00120"></a>00120 <span class="keywordflow">return</span> -1;
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <span class="comment">/* allocate a first array */</span>
<a name="l00124"></a>00124 driverTracker = calloc(DRIVER_TRACKER_SIZE_STEP, <span class="keyword">sizeof</span>(*driverTracker));
<a name="l00125"></a>00125 <span class="keywordflow">if</span> (NULL == driverTracker)
<a name="l00126"></a>00126 {
<a name="l00127"></a>00127 Log1(PCSC_LOG_CRITICAL, <span class="stringliteral">"Not enough memory"</span>);
<a name="l00128"></a>00128 <span class="keywordflow">return</span> -1;
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130 driverSize = DRIVER_TRACKER_SIZE_STEP;
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <span class="preprocessor">#define GET_KEY(key, values) \</span>
<a name="l00133"></a>00133 <span class="preprocessor"> rv = LTPBundleFindValueWithKey(&plist, key, values); \</span>
<a name="l00134"></a>00134 <span class="preprocessor"> if (rv) \</span>
<a name="l00135"></a>00135 <span class="preprocessor"> { \</span>
<a name="l00136"></a>00136 <span class="preprocessor"> Log2(PCSC_LOG_ERROR, "Value/Key not defined for " key " in %s", \</span>
<a name="l00137"></a>00137 <span class="preprocessor"> fullPath); \</span>
<a name="l00138"></a>00138 <span class="preprocessor"> continue; \</span>
<a name="l00139"></a>00139 <span class="preprocessor"> }</span>
<a name="l00140"></a>00140 <span class="preprocessor"></span>
<a name="l00141"></a>00141 <span class="keywordflow">while</span> ((currFP = readdir(hpDir)) != 0)
<a name="l00142"></a>00142 {
<a name="l00143"></a>00143 <span class="keywordflow">if</span> (strstr(currFP->d_name, <span class="stringliteral">".bundle"</span>) != 0)
<a name="l00144"></a>00144 {
<a name="l00145"></a>00145 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> alias;
<a name="l00146"></a>00146 <a class="code" href="structlist__t.html" title="list object">list_t</a> plist, *values;
<a name="l00147"></a>00147 <a class="code" href="structlist__t.html" title="list object">list_t</a> *manuIDs, *productIDs, *readerNames;
<a name="l00148"></a>00148 <span class="keywordtype">char</span> *libraryPath;
<a name="l00149"></a>00149 <span class="keywordtype">int</span> ifdCapabilities;
<a name="l00150"></a>00150
<a name="l00151"></a>00151 <span class="comment">/*</span>
<a name="l00152"></a>00152 <span class="comment"> * The bundle exists - let's form a full path name and get the</span>
<a name="l00153"></a>00153 <span class="comment"> * vendor and product ID's for this particular bundle</span>
<a name="l00154"></a>00154 <span class="comment"> */</span>
<a name="l00155"></a>00155 snprintf(fullPath, <span class="keyword">sizeof</span>(fullPath), <span class="stringliteral">"%s/%s/Contents/Info.plist"</span>,
<a name="l00156"></a>00156 PCSCLITE_HP_DROPDIR, currFP->d_name);
<a name="l00157"></a>00157 fullPath[<span class="keyword">sizeof</span>(fullPath) - 1] = <span class="charliteral">'\0'</span>;
<a name="l00158"></a>00158
<a name="l00159"></a>00159 rv = <a class="code" href="parser_8h.html#ae2987bb21ffb8d4e09b2e426c568f01a" title="Parse a Info.plist file and file a list.">bundleParse</a>(fullPath, &plist);
<a name="l00160"></a>00160 <span class="keywordflow">if</span> (rv)
<a name="l00161"></a>00161 <span class="keywordflow">continue</span>;
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <span class="comment">/* get CFBundleExecutable */</span>
<a name="l00164"></a>00164 GET_KEY(PCSCLITE_HP_LIBRKEY_NAME, &values)
<a name="l00165"></a>00165 libraryPath = list_get_at(values, 0);
<a name="l00166"></a>00166 (<span class="keywordtype">void</span>)snprintf(fullLibPath, sizeof(fullLibPath),
<a name="l00167"></a>00167 "%s/%s/Contents/%s/%s",
<a name="l00168"></a>00168 PCSCLITE_HP_DROPDIR, currFP->d_name, PCSC_ARCH,
<a name="l00169"></a>00169 libraryPath);
<a name="l00170"></a>00170 fullLibPath[sizeof(fullLibPath) - 1] = '\0';
<a name="l00171"></a>00171
<a name="l00172"></a>00172 <span class="comment">/* Get ifdCapabilities */</span>
<a name="l00173"></a>00173 GET_KEY(PCSCLITE_HP_CPCTKEY_NAME, &values)
<a name="l00174"></a>00174 ifdCapabilities = strtol(list_get_at(values, 0), NULL, 16);
<a name="l00175"></a>00175
<a name="l00176"></a>00176 GET_KEY(PCSCLITE_HP_MANUKEY_NAME, &manuIDs)
<a name="l00177"></a>00177 GET_KEY(PCSCLITE_HP_PRODKEY_NAME, &productIDs)
<a name="l00178"></a>00178 GET_KEY(PCSCLITE_HP_NAMEKEY_NAME, &readerNames)
<a name="l00179"></a>00179
<a name="l00180"></a>00180 <span class="comment">/* while we find a nth ifdVendorID in Info.plist */</span>
<a name="l00181"></a>00181 for (alias=0; alias<list_size(manuIDs); alias++)
<a name="l00182"></a>00182 {
<a name="l00183"></a>00183 <span class="keywordtype">char</span> *value;
<a name="l00184"></a>00184
<a name="l00185"></a>00185 <span class="comment">/* variables entries */</span>
<a name="l00186"></a>00186 value = list_get_at(manuIDs, alias);
<a name="l00187"></a>00187 driverTracker[listCount].manuID = strtol(value, NULL, 16);
<a name="l00188"></a>00188
<a name="l00189"></a>00189 value = list_get_at(productIDs, alias);
<a name="l00190"></a>00190 driverTracker[listCount].productID = strtol(value, NULL, 16);
<a name="l00191"></a>00191
<a name="l00192"></a>00192 driverTracker[listCount].readerName = strdup(list_get_at(readerNames, alias));
<a name="l00193"></a>00193
<a name="l00194"></a>00194 <span class="comment">/* constant entries for a same driver */</span>
<a name="l00195"></a>00195 driverTracker[listCount].bundleName = strdup(currFP->d_name);
<a name="l00196"></a>00196 driverTracker[listCount].libraryPath = strdup(fullLibPath);
<a name="l00197"></a>00197 driverTracker[listCount].ifdCapabilities = ifdCapabilities;
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="preprocessor">#ifdef DEBUG_HOTPLUG</span>
<a name="l00200"></a>00200 <span class="preprocessor"></span> Log2(PCSC_LOG_INFO, <span class="stringliteral">"Found driver for: %s"</span>,
<a name="l00201"></a>00201 driverTracker[listCount].readerName);
<a name="l00202"></a>00202 <span class="preprocessor">#endif</span>
<a name="l00203"></a>00203 <span class="preprocessor"></span> listCount++;
<a name="l00204"></a>00204 <span class="keywordflow">if</span> (listCount >= driverSize)
<a name="l00205"></a>00205 {
<a name="l00206"></a>00206 <span class="keywordtype">int</span> i;
<a name="l00207"></a>00207
<a name="l00208"></a>00208 <span class="comment">/* increase the array size */</span>
<a name="l00209"></a>00209 driverSize += DRIVER_TRACKER_SIZE_STEP;
<a name="l00210"></a>00210 <span class="preprocessor">#ifdef DEBUG_HOTPLUG</span>
<a name="l00211"></a>00211 <span class="preprocessor"></span> Log2(PCSC_LOG_INFO,
<a name="l00212"></a>00212 <span class="stringliteral">"Increase driverTracker to %d entries"</span>, driverSize);
<a name="l00213"></a>00213 <span class="preprocessor">#endif</span>
<a name="l00214"></a>00214 <span class="preprocessor"></span> driverTracker = realloc(driverTracker,
<a name="l00215"></a>00215 driverSize * <span class="keyword">sizeof</span>(*driverTracker));
<a name="l00216"></a>00216 <span class="keywordflow">if</span> (NULL == driverTracker)
<a name="l00217"></a>00217 {
<a name="l00218"></a>00218 Log1(PCSC_LOG_CRITICAL, <span class="stringliteral">"Not enough memory"</span>);
<a name="l00219"></a>00219 driverSize = -1;
<a name="l00220"></a>00220 <span class="keywordflow">return</span> -1;
<a name="l00221"></a>00221 }
<a name="l00222"></a>00222
<a name="l00223"></a>00223 <span class="comment">/* clean the newly allocated entries */</span>
<a name="l00224"></a>00224 <span class="keywordflow">for</span> (i=driverSize-DRIVER_TRACKER_SIZE_STEP; i<driverSize; i++)
<a name="l00225"></a>00225 {
<a name="l00226"></a>00226 driverTracker[i].manuID = 0;
<a name="l00227"></a>00227 driverTracker[i].productID = 0;
<a name="l00228"></a>00228 driverTracker[i].bundleName = NULL;
<a name="l00229"></a>00229 driverTracker[i].libraryPath = NULL;
<a name="l00230"></a>00230 driverTracker[i].readerName = NULL;
<a name="l00231"></a>00231 driverTracker[i].ifdCapabilities = 0;
<a name="l00232"></a>00232 }
<a name="l00233"></a>00233 }
<a name="l00234"></a>00234 }
<a name="l00235"></a>00235 <a class="code" href="parser_8h.html#ab75f32a05000c6a12a6a53c8f37637bd" title="Free the list created by bundleParse()">bundleRelease</a>(&plist);
<a name="l00236"></a>00236 }
<a name="l00237"></a>00237 }
<a name="l00238"></a>00238
<a name="l00239"></a>00239 driverSize = listCount;
<a name="l00240"></a>00240 closedir(hpDir);
<a name="l00241"></a>00241
<a name="l00242"></a>00242 rv = TRUE;
<a name="l00243"></a>00243 <span class="keywordflow">if</span> (driverSize == 0)
<a name="l00244"></a>00244 {
<a name="l00245"></a>00245 Log1(PCSC_LOG_INFO, <span class="stringliteral">"No bundle files in pcsc drivers directory: "</span> PCSCLITE_HP_DROPDIR);
<a name="l00246"></a>00246 Log1(PCSC_LOG_INFO, <span class="stringliteral">"Disabling USB support for pcscd"</span>);
<a name="l00247"></a>00247 rv = FALSE;
<a name="l00248"></a>00248 }
<a name="l00249"></a>00249 <span class="preprocessor">#ifdef DEBUG_HOTPLUG</span>
<a name="l00250"></a>00250 <span class="preprocessor"></span> <span class="keywordflow">else</span>
<a name="l00251"></a>00251 Log2(PCSC_LOG_INFO, <span class="stringliteral">"Found drivers for %d readers"</span>, listCount);
<a name="l00252"></a>00252 <span class="preprocessor">#endif</span>
<a name="l00253"></a>00253 <span class="preprocessor"></span>
<a name="l00254"></a>00254 <span class="keywordflow">return</span> rv;
<a name="l00255"></a>00255 }
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <span class="keyword">static</span> <span class="keywordtype">void</span> HPRescanUsbBus(<span class="keywordtype">void</span>)
<a name="l00258"></a>00258 {
<a name="l00259"></a>00259 <span class="keywordtype">int</span> i, j;
<a name="l00260"></a>00260 <span class="keywordtype">char</span> bus_device[BUS_DEVICE_STRSIZE];
<a name="l00261"></a>00261 libusb_device **devs, *dev;
<a name="l00262"></a>00262 ssize_t cnt;
<a name="l00263"></a>00263
<a name="l00264"></a>00264 <span class="keywordflow">for</span> (i=0; i < <a class="code" href="pcsclite_8h.html#af750e6e22c809de2b523c17e4a092036" title="Maximum readers context (a slot is count as a reader)">PCSCLITE_MAX_READERS_CONTEXTS</a>; i++)
<a name="l00265"></a>00265 <span class="comment">/* clear rollcall */</span>
<a name="l00266"></a>00266 readerTracker[i].status = READER_ABSENT;
<a name="l00267"></a>00267
<a name="l00268"></a>00268 cnt = libusb_get_device_list(ctx, &devs);
<a name="l00269"></a>00269 <span class="keywordflow">if</span> (cnt < 0)
<a name="l00270"></a>00270 {
<a name="l00271"></a>00271 Log1(PCSC_LOG_CRITICAL, <span class="stringliteral">"libusb_get_device_list() failed\n"</span>);
<a name="l00272"></a>00272 <span class="keywordflow">return</span>;
<a name="l00273"></a>00273 }
<a name="l00274"></a>00274
<a name="l00275"></a>00275 <span class="comment">/* For each USB device */</span>
<a name="l00276"></a>00276 cnt = 0;
<a name="l00277"></a>00277 <span class="keywordflow">while</span> ((dev = devs[cnt++]) != NULL)
<a name="l00278"></a>00278 {
<a name="l00279"></a>00279 <span class="keyword">struct </span>libusb_device_descriptor desc;
<a name="l00280"></a>00280 <span class="keyword">struct </span>libusb_config_descriptor *config_desc;
<a name="l00281"></a>00281 uint8_t bus_number = libusb_get_bus_number(dev);
<a name="l00282"></a>00282 uint8_t device_address = libusb_get_device_address(dev);
<a name="l00283"></a>00283
<a name="l00284"></a>00284 <span class="keywordtype">int</span> r = libusb_get_device_descriptor(dev, &desc);
<a name="l00285"></a>00285 <span class="keywordflow">if</span> (r < 0)
<a name="l00286"></a>00286 {
<a name="l00287"></a>00287 Log3(PCSC_LOG_ERROR, <span class="stringliteral">"failed to get device descriptor for %d/%d"</span>,
<a name="l00288"></a>00288 bus_number, device_address);
<a name="l00289"></a>00289 <span class="keywordflow">continue</span>;
<a name="l00290"></a>00290 }
<a name="l00291"></a>00291
<a name="l00292"></a>00292 r = libusb_get_active_config_descriptor(dev, &config_desc);
<a name="l00293"></a>00293 <span class="keywordflow">if</span> (r < 0)
<a name="l00294"></a>00294 {
<a name="l00295"></a>00295 Log3(PCSC_LOG_ERROR, <span class="stringliteral">"failed to get device config for %d/%d"</span>,
<a name="l00296"></a>00296 bus_number, device_address);
<a name="l00297"></a>00297 <span class="keywordflow">continue</span>;
<a name="l00298"></a>00298 }
<a name="l00299"></a>00299
<a name="l00300"></a>00300 <span class="comment">/* check if the device is supported by one driver */</span>
<a name="l00301"></a>00301 <span class="keywordflow">for</span> (i=0; i<driverSize; i++)
<a name="l00302"></a>00302 {
<a name="l00303"></a>00303 <span class="keywordflow">if</span> (driverTracker[i].libraryPath != NULL &&
<a name="l00304"></a>00304 desc.idVendor == driverTracker[i].manuID &&
<a name="l00305"></a>00305 desc.idProduct == driverTracker[i].productID)
<a name="l00306"></a>00306 {
<a name="l00307"></a>00307 <span class="keywordtype">int</span> interface;
<a name="l00308"></a>00308
<a name="l00309"></a>00309 <span class="preprocessor">#ifdef DEBUG_HOTPLUG</span>
<a name="l00310"></a>00310 <span class="preprocessor"></span> Log3(PCSC_LOG_DEBUG, <span class="stringliteral">"Found matching USB device: %d:%d"</span>,
<a name="l00311"></a>00311 bus_number, device_address);
<a name="l00312"></a>00312 <span class="preprocessor">#endif</span>
<a name="l00313"></a>00313 <span class="preprocessor"></span>
<a name="l00314"></a>00314 <span class="keywordflow">for</span> (interface = 0; interface < config_desc->bNumInterfaces;
<a name="l00315"></a>00315 interface++)
<a name="l00316"></a>00316 {
<a name="l00317"></a>00317 <span class="keywordtype">int</span> newreader;
<a name="l00318"></a>00318
<a name="l00319"></a>00319 <span class="comment">/* A known device has been found */</span>
<a name="l00320"></a>00320 snprintf(bus_device, BUS_DEVICE_STRSIZE, <span class="stringliteral">"%d:%d:%d"</span>,
<a name="l00321"></a>00321 bus_number, device_address, interface);
<a name="l00322"></a>00322 bus_device[BUS_DEVICE_STRSIZE - 1] = <span class="charliteral">'\0'</span>;
<a name="l00323"></a>00323 newreader = TRUE;
<a name="l00324"></a>00324
<a name="l00325"></a>00325 <span class="comment">/* Check if the reader is a new one */</span>
<a name="l00326"></a>00326 <span class="keywordflow">for</span> (j=0; j<<a class="code" href="pcsclite_8h.html#af750e6e22c809de2b523c17e4a092036" title="Maximum readers context (a slot is count as a reader)">PCSCLITE_MAX_READERS_CONTEXTS</a>; j++)
<a name="l00327"></a>00327 {
<a name="l00328"></a>00328 <span class="keywordflow">if</span> (strncmp(readerTracker[j].bus_device,
<a name="l00329"></a>00329 bus_device, BUS_DEVICE_STRSIZE) == 0)
<a name="l00330"></a>00330 {
<a name="l00331"></a>00331 <span class="comment">/* The reader is already known */</span>
<a name="l00332"></a>00332 readerTracker[j].status = READER_PRESENT;
<a name="l00333"></a>00333 newreader = FALSE;
<a name="l00334"></a>00334 <span class="preprocessor">#ifdef DEBUG_HOTPLUG</span>
<a name="l00335"></a>00335 <span class="preprocessor"></span> Log2(PCSC_LOG_DEBUG, <span class="stringliteral">"Refresh USB device: %s"</span>,
<a name="l00336"></a>00336 bus_device);
<a name="l00337"></a>00337 <span class="preprocessor">#endif</span>
<a name="l00338"></a>00338 <span class="preprocessor"></span> <span class="keywordflow">break</span>;
<a name="l00339"></a>00339 }
<a name="l00340"></a>00340 }
<a name="l00341"></a>00341
<a name="l00342"></a>00342 <span class="comment">/* New reader found */</span>
<a name="l00343"></a>00343 <span class="keywordflow">if</span> (newreader)
<a name="l00344"></a>00344 {
<a name="l00345"></a>00345 <span class="keywordflow">if</span> (config_desc->bNumInterfaces > 1)
<a name="l00346"></a>00346 HPAddHotPluggable(dev, desc, bus_device,
<a name="l00347"></a>00347 interface, &driverTracker[i]);
<a name="l00348"></a>00348 <span class="keywordflow">else</span>
<a name="l00349"></a>00349 HPAddHotPluggable(dev, desc, bus_device,
<a name="l00350"></a>00350 -1, &driverTracker[i]);
<a name="l00351"></a>00351 }
<a name="l00352"></a>00352 }
<a name="l00353"></a>00353 }
<a name="l00354"></a>00354 }
<a name="l00355"></a>00355 }
<a name="l00356"></a>00356
<a name="l00357"></a>00357 <span class="comment">/*</span>
<a name="l00358"></a>00358 <span class="comment"> * check if all the previously found readers are still present</span>
<a name="l00359"></a>00359 <span class="comment"> */</span>
<a name="l00360"></a>00360 <span class="keywordflow">for</span> (i=0; i<<a class="code" href="pcsclite_8h.html#af750e6e22c809de2b523c17e4a092036" title="Maximum readers context (a slot is count as a reader)">PCSCLITE_MAX_READERS_CONTEXTS</a>; i++)
<a name="l00361"></a>00361 {
<a name="l00362"></a>00362 <span class="keywordflow">if</span> ((readerTracker[i].status == READER_ABSENT) &&
<a name="l00363"></a>00363 (readerTracker[i].fullName != NULL))
<a name="l00364"></a>00364 HPRemoveHotPluggable(i);
<a name="l00365"></a>00365 }
<a name="l00366"></a>00366
<a name="l00367"></a>00367 <span class="keywordflow">if</span> (AraKiriHotPlug)
<a name="l00368"></a>00368 {
<a name="l00369"></a>00369 <span class="keywordtype">int</span> retval;
<a name="l00370"></a>00370
<a name="l00371"></a>00371 <span class="keywordflow">for</span> (i=0; i<driverSize; i++)
<a name="l00372"></a>00372 {
<a name="l00373"></a>00373 <span class="comment">/* free strings allocated by strdup() */</span>
<a name="l00374"></a>00374 free(driverTracker[i].bundleName);
<a name="l00375"></a>00375 free(driverTracker[i].libraryPath);
<a name="l00376"></a>00376 free(driverTracker[i].readerName);
<a name="l00377"></a>00377 }
<a name="l00378"></a>00378 free(driverTracker);
<a name="l00379"></a>00379
<a name="l00380"></a>00380 Log1(PCSC_LOG_INFO, <span class="stringliteral">"Hotplug stopped"</span>);
<a name="l00381"></a>00381 pthread_exit(&retval);
<a name="l00382"></a>00382 }
<a name="l00383"></a>00383
<a name="l00384"></a>00384 <span class="comment">/* free the libusb allocated list & devices */</span>
<a name="l00385"></a>00385 libusb_free_device_list(devs, 1);
<a name="l00386"></a>00386 }
<a name="l00387"></a>00387
<a name="l00388"></a>00388 <span class="keyword">static</span> <span class="keywordtype">void</span> HPEstablishUSBNotifications(<span class="keywordtype">int</span> pipefd[2])
<a name="l00389"></a>00389 {
<a name="l00390"></a>00390 <span class="keywordtype">int</span> i, do_polling;
<a name="l00391"></a>00391 <span class="keywordtype">char</span> c = 42; <span class="comment">/* magic value */</span>
<a name="l00392"></a>00392
<a name="l00393"></a>00393 libusb_init(ctx);
<a name="l00394"></a>00394
<a name="l00395"></a>00395 <span class="comment">/* scan the USB bus for devices at startup */</span>
<a name="l00396"></a>00396 HPRescanUsbBus();
<a name="l00397"></a>00397
<a name="l00398"></a>00398 <span class="comment">/* signal that the initially connected readers are now visible */</span>
<a name="l00399"></a>00399 write(pipefd[1], &c, 1);
<a name="l00400"></a>00400 close(pipefd[1]);
<a name="l00401"></a>00401
<a name="l00402"></a>00402 <span class="comment">/* if at least one driver do not have IFD_GENERATE_HOTPLUG */</span>
<a name="l00403"></a>00403 do_polling = FALSE;
<a name="l00404"></a>00404 <span class="keywordflow">for</span> (i=0; i<driverSize; i++)
<a name="l00405"></a>00405 <span class="keywordflow">if</span> (driverTracker[i].libraryPath)
<a name="l00406"></a>00406 <span class="keywordflow">if</span> ((driverTracker[i].ifdCapabilities & IFD_GENERATE_HOTPLUG) == 0)
<a name="l00407"></a>00407 {
<a name="l00408"></a>00408 Log2(PCSC_LOG_INFO,
<a name="l00409"></a>00409 <span class="stringliteral">"Driver %s does not support IFD_GENERATE_HOTPLUG. Using active polling instead."</span>,
<a name="l00410"></a>00410 driverTracker[i].bundleName);
<a name="l00411"></a>00411 <span class="keywordflow">if</span> (HPForceReaderPolling < 1)
<a name="l00412"></a>00412 HPForceReaderPolling = 1;
<a name="l00413"></a>00413 <span class="keywordflow">break</span>;
<a name="l00414"></a>00414 }
<a name="l00415"></a>00415
<a name="l00416"></a>00416 <span class="keywordflow">if</span> (HPForceReaderPolling)
<a name="l00417"></a>00417 {
<a name="l00418"></a>00418 Log2(PCSC_LOG_INFO,
<a name="l00419"></a>00419 <span class="stringliteral">"Polling forced every %d second(s)"</span>, HPForceReaderPolling);
<a name="l00420"></a>00420 do_polling = TRUE;
<a name="l00421"></a>00421 }
<a name="l00422"></a>00422
<a name="l00423"></a>00423 <span class="keywordflow">if</span> (do_polling)
<a name="l00424"></a>00424 {
<a name="l00425"></a>00425 <span class="keywordflow">while</span> (!AraKiriHotPlug)
<a name="l00426"></a>00426 {
<a name="l00427"></a>00427 <a class="code" href="sys__generic_8h.html#abbd906a9a16166248e32862f67fc49cd" title="Makes the current process sleep for some seconds.">SYS_Sleep</a>(HPForceReaderPolling);
<a name="l00428"></a>00428 HPRescanUsbBus();
<a name="l00429"></a>00429 }
<a name="l00430"></a>00430 }
<a name="l00431"></a>00431 <span class="keywordflow">else</span>
<a name="l00432"></a>00432 {
<a name="l00433"></a>00433 <span class="keywordtype">char</span> dummy;
<a name="l00434"></a>00434
<a name="l00435"></a>00435 pipe(rescan_pipe);
<a name="l00436"></a>00436 <span class="keywordflow">while</span> (read(rescan_pipe[0], &dummy, <span class="keyword">sizeof</span>(dummy)) > 0)
<a name="l00437"></a>00437 {
<a name="l00438"></a>00438 Log1(PCSC_LOG_INFO, <span class="stringliteral">"Reload serial configuration"</span>);
<a name="l00439"></a>00439 HPRescanUsbBus();
<a name="l00440"></a>00440 <span class="preprocessor">#ifdef USE_SERIAL</span>
<a name="l00441"></a>00441 <span class="preprocessor"></span> RFReCheckReaderConf();
<a name="l00442"></a>00442 <span class="preprocessor">#endif</span>
<a name="l00443"></a>00443 <span class="preprocessor"></span> Log1(PCSC_LOG_INFO, <span class="stringliteral">"End reload serial configuration"</span>);
<a name="l00444"></a>00444 }
<a name="l00445"></a>00445 close(rescan_pipe[0]);
<a name="l00446"></a>00446 rescan_pipe[0] = -1;
<a name="l00447"></a>00447 }
<a name="l00448"></a>00448 }
<a name="l00449"></a>00449
<a name="l00450"></a>00450 LONG HPSearchHotPluggables(<span class="keywordtype">void</span>)
<a name="l00451"></a>00451 {
<a name="l00452"></a>00452 <span class="keywordtype">int</span> i;
<a name="l00453"></a>00453
<a name="l00454"></a>00454 <span class="keywordflow">for</span> (i=0; i<<a class="code" href="pcsclite_8h.html#af750e6e22c809de2b523c17e4a092036" title="Maximum readers context (a slot is count as a reader)">PCSCLITE_MAX_READERS_CONTEXTS</a>; i++)
<a name="l00455"></a>00455 {
<a name="l00456"></a>00456 readerTracker[i].status = READER_ABSENT;
<a name="l00457"></a>00457 readerTracker[i].bus_device[0] = <span class="charliteral">'\0'</span>;
<a name="l00458"></a>00458 readerTracker[i].fullName = NULL;
<a name="l00459"></a>00459 }
<a name="l00460"></a>00460
<a name="l00461"></a>00461 <span class="keywordflow">if</span> (HPReadBundleValues())
<a name="l00462"></a>00462 {
<a name="l00463"></a>00463 <span class="keywordtype">int</span> pipefd[2];
<a name="l00464"></a>00464 <span class="keywordtype">char</span> c;
<a name="l00465"></a>00465
<a name="l00466"></a>00466 <span class="keywordflow">if</span> (pipe(pipefd) == -1)
<a name="l00467"></a>00467 {
<a name="l00468"></a>00468 Log2(PCSC_LOG_ERROR, <span class="stringliteral">"pipe: %s"</span>, strerror(errno));
<a name="l00469"></a>00469 <span class="keywordflow">return</span> -1;
<a name="l00470"></a>00470 }
<a name="l00471"></a>00471
<a name="l00472"></a>00472 ThreadCreate(&usbNotifyThread, THREAD_ATTR_DETACHED,
<a name="l00473"></a>00473 (PCSCLITE_THREAD_FUNCTION( )) HPEstablishUSBNotifications, pipefd);
<a name="l00474"></a>00474
<a name="l00475"></a>00475 <span class="comment">/* Wait for initial readers to setup */</span>
<a name="l00476"></a>00476 read(pipefd[0], &c, 1);
<a name="l00477"></a>00477 close(pipefd[0]);
<a name="l00478"></a>00478 }
<a name="l00479"></a>00479
<a name="l00480"></a>00480 <span class="keywordflow">return</span> 0;
<a name="l00481"></a>00481 }
<a name="l00482"></a>00482
<a name="l00483"></a>00483 LONG HPStopHotPluggables(<span class="keywordtype">void</span>)
<a name="l00484"></a>00484 {
<a name="l00485"></a>00485 AraKiriHotPlug = TRUE;
<a name="l00486"></a>00486 <span class="keywordflow">if</span> (rescan_pipe[1] >= 0)
<a name="l00487"></a>00487 {
<a name="l00488"></a>00488 close(rescan_pipe[1]);
<a name="l00489"></a>00489 rescan_pipe[1] = -1;
<a name="l00490"></a>00490 }
<a name="l00491"></a>00491
<a name="l00492"></a>00492 <span class="keywordflow">return</span> 0;
<a name="l00493"></a>00493 }
<a name="l00494"></a>00494
<a name="l00495"></a>00495 <span class="keyword">static</span> LONG HPAddHotPluggable(<span class="keyword">struct</span> libusb_device *dev,
<a name="l00496"></a>00496 <span class="keyword">struct</span> libusb_device_descriptor desc,
<a name="l00497"></a>00497 <span class="keyword">const</span> <span class="keywordtype">char</span> bus_device[], <span class="keywordtype">int</span> interface,
<a name="l00498"></a>00498 <span class="keyword">struct</span> _driverTracker *driver)
<a name="l00499"></a>00499 {
<a name="l00500"></a>00500 <span class="keywordtype">int</span> i;
<a name="l00501"></a>00501 <span class="keywordtype">char</span> deviceName[MAX_DEVICENAME];
<a name="l00502"></a>00502
<a name="l00503"></a>00503 Log2(PCSC_LOG_INFO, <span class="stringliteral">"Adding USB device: %s"</span>, bus_device);
<a name="l00504"></a>00504
<a name="l00505"></a>00505 <span class="keywordflow">if</span> (interface >= 0)
<a name="l00506"></a>00506 snprintf(deviceName, <span class="keyword">sizeof</span>(deviceName), <span class="stringliteral">"usb:%04x/%04x:libhal:/org/freedesktop/Hal/devices/usb_device_%04x_%04x_serialnotneeded_if%d"</span>,
<a name="l00507"></a>00507 desc.idVendor, desc.idProduct, desc.idVendor, desc.idProduct,
<a name="l00508"></a>00508 interface);
<a name="l00509"></a>00509 <span class="keywordflow">else</span>
<a name="l00510"></a>00510 snprintf(deviceName, <span class="keyword">sizeof</span>(deviceName), <span class="stringliteral">"usb:%04x/%04x:libusb-1.0:%s"</span>,
<a name="l00511"></a>00511 desc.idVendor, desc.idProduct, bus_device);
<a name="l00512"></a>00512
<a name="l00513"></a>00513 deviceName[<span class="keyword">sizeof</span>(deviceName) -1] = <span class="charliteral">'\0'</span>;
<a name="l00514"></a>00514
<a name="l00515"></a>00515 pthread_mutex_lock(&usbNotifierMutex);
<a name="l00516"></a>00516
<a name="l00517"></a>00517 <span class="comment">/* find a free entry */</span>
<a name="l00518"></a>00518 <span class="keywordflow">for</span> (i=0; i<<a class="code" href="pcsclite_8h.html#af750e6e22c809de2b523c17e4a092036" title="Maximum readers context (a slot is count as a reader)">PCSCLITE_MAX_READERS_CONTEXTS</a>; i++)
<a name="l00519"></a>00519 {
<a name="l00520"></a>00520 <span class="keywordflow">if</span> (readerTracker[i].fullName == NULL)
<a name="l00521"></a>00521 <span class="keywordflow">break</span>;
<a name="l00522"></a>00522 }
<a name="l00523"></a>00523
<a name="l00524"></a>00524 <span class="keywordflow">if</span> (i==PCSCLITE_MAX_READERS_CONTEXTS)
<a name="l00525"></a>00525 {
<a name="l00526"></a>00526 Log2(PCSC_LOG_ERROR,
<a name="l00527"></a>00527 <span class="stringliteral">"Not enough reader entries. Already found %d readers"</span>, i);
<a name="l00528"></a>00528 pthread_mutex_unlock(&usbNotifierMutex);
<a name="l00529"></a>00529 <span class="keywordflow">return</span> 0;
<a name="l00530"></a>00530 }
<a name="l00531"></a>00531
<a name="l00532"></a>00532 strncpy(readerTracker[i].bus_device, bus_device,
<a name="l00533"></a>00533 <span class="keyword">sizeof</span>(readerTracker[i].bus_device));
<a name="l00534"></a>00534 readerTracker[i].bus_device[<span class="keyword">sizeof</span>(readerTracker[i].bus_device) - 1] = <span class="charliteral">'\0'</span>;
<a name="l00535"></a>00535
<a name="l00536"></a>00536 <span class="preprocessor">#ifdef ADD_SERIAL_NUMBER</span>
<a name="l00537"></a>00537 <span class="preprocessor"></span> <span class="keywordflow">if</span> (desc.iSerialNumber)
<a name="l00538"></a>00538 {
<a name="l00539"></a>00539 libusb_device_handle *device;
<a name="l00540"></a>00540 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> serialNumber[MAX_READERNAME];
<a name="l00541"></a>00541 <span class="keywordtype">char</span> fullname[MAX_READERNAME];
<a name="l00542"></a>00542 <span class="keywordtype">int</span> ret;
<a name="l00543"></a>00543
<a name="l00544"></a>00544 ret = libusb_open(dev, &device);
<a name="l00545"></a>00545 <span class="keywordflow">if</span> (ret < 0)
<a name="l00546"></a>00546 {
<a name="l00547"></a>00547 Log2(PCSC_LOG_ERROR, <span class="stringliteral">"libusb_open failed: %d"</span>, ret);
<a name="l00548"></a>00548 }
<a name="l00549"></a>00549 <span class="keywordflow">else</span>
<a name="l00550"></a>00550 {
<a name="l00551"></a>00551 ret = libusb_get_string_descriptor_ascii(device, desc.iSerialNumber,
<a name="l00552"></a>00552 serialNumber, MAX_READERNAME);
<a name="l00553"></a>00553 libusb_close(device);
<a name="l00554"></a>00554
<a name="l00555"></a>00555 <span class="keywordflow">if</span> (ret < 0)
<a name="l00556"></a>00556 {
<a name="l00557"></a>00557 Log2(PCSC_LOG_ERROR,
<a name="l00558"></a>00558 <span class="stringliteral">"libusb_get_string_descriptor_ascii failed: %d"</span>, ret);
<a name="l00559"></a>00559 readerTracker[i].fullName = strdup(driver->readerName);
<a name="l00560"></a>00560 }
<a name="l00561"></a>00561 <span class="keywordflow">else</span>
<a name="l00562"></a>00562 {
<a name="l00563"></a>00563 snprintf(fullname, <span class="keyword">sizeof</span>(fullname), <span class="stringliteral">"%s (%s)"</span>,
<a name="l00564"></a>00564 driver->readerName, serialNumber);
<a name="l00565"></a>00565 readerTracker[i].fullName = strdup(fullname);
<a name="l00566"></a>00566 }
<a name="l00567"></a>00567 }
<a name="l00568"></a>00568 }
<a name="l00569"></a>00569 <span class="keywordflow">else</span>
<a name="l00570"></a>00570 <span class="preprocessor">#endif</span>
<a name="l00571"></a>00571 <span class="preprocessor"></span> readerTracker[i].fullName = strdup(driver->readerName);
<a name="l00572"></a>00572
<a name="l00573"></a>00573 <span class="keywordflow">if</span> (RFAddReader(readerTracker[i].fullName, PCSCLITE_HP_BASE_PORT + i,
<a name="l00574"></a>00574 driver->libraryPath, deviceName) == <a class="code" href="pcsclite_8h.html#a4a3c56f69570971d366642a563b34a75" title="error codes from http://msdn.microsoft.com/en-us/library/aa924526.aspx">SCARD_S_SUCCESS</a>)
<a name="l00575"></a>00575 readerTracker[i].status = READER_PRESENT;
<a name="l00576"></a>00576 <span class="keywordflow">else</span>
<a name="l00577"></a>00577 {
<a name="l00578"></a>00578 readerTracker[i].status = READER_FAILED;
<a name="l00579"></a>00579
<a name="l00580"></a>00580 (void)CheckForOpenCT();
<a name="l00581"></a>00581 }
<a name="l00582"></a>00582
<a name="l00583"></a>00583 pthread_mutex_unlock(&usbNotifierMutex);
<a name="l00584"></a>00584
<a name="l00585"></a>00585 <span class="keywordflow">return</span> 1;
<a name="l00586"></a>00586 } <span class="comment">/* End of function */</span>
<a name="l00587"></a>00587
<a name="l00588"></a>00588 <span class="keyword">static</span> LONG HPRemoveHotPluggable(<span class="keywordtype">int</span> reader_index)
<a name="l00589"></a>00589 {
<a name="l00590"></a>00590 pthread_mutex_lock(&usbNotifierMutex);
<a name="l00591"></a>00591
<a name="l00592"></a>00592 Log3(PCSC_LOG_INFO, <span class="stringliteral">"Removing USB device[%d]: %s"</span>, reader_index,
<a name="l00593"></a>00593 readerTracker[reader_index].bus_device);
<a name="l00594"></a>00594
<a name="l00595"></a>00595 RFRemoveReader(readerTracker[reader_index].fullName,
<a name="l00596"></a>00596 PCSCLITE_HP_BASE_PORT + reader_index);
<a name="l00597"></a>00597 free(readerTracker[reader_index].fullName);
<a name="l00598"></a>00598 readerTracker[reader_index].status = READER_ABSENT;
<a name="l00599"></a>00599 readerTracker[reader_index].bus_device[0] = <span class="charliteral">'\0'</span>;
<a name="l00600"></a>00600 readerTracker[reader_index].fullName = NULL;
<a name="l00601"></a>00601
<a name="l00602"></a>00602 pthread_mutex_unlock(&usbNotifierMutex);
<a name="l00603"></a>00603
<a name="l00604"></a>00604 <span class="keywordflow">return</span> 1;
<a name="l00605"></a>00605 } <span class="comment">/* End of function */</span>
<a name="l00606"></a>00606
<a name="l00610"></a>00610 ULONG HPRegisterForHotplugEvents(<span class="keywordtype">void</span>)
<a name="l00611"></a>00611 {
<a name="l00612"></a>00612 (void)pthread_mutex_init(&usbNotifierMutex, NULL);
<a name="l00613"></a>00613 <span class="keywordflow">return</span> 0;
<a name="l00614"></a>00614 }
<a name="l00615"></a>00615
<a name="l00616"></a>00616 <span class="keywordtype">void</span> HPReCheckSerialReaders(<span class="keywordtype">void</span>)
<a name="l00617"></a>00617 {
<a name="l00618"></a>00618 <span class="keywordflow">if</span> (rescan_pipe[1] >= 0)
<a name="l00619"></a>00619 {
<a name="l00620"></a>00620 <span class="keywordtype">char</span> dummy = 0;
<a name="l00621"></a>00621 write(rescan_pipe[1], &dummy, <span class="keyword">sizeof</span>(dummy));
<a name="l00622"></a>00622 }
<a name="l00623"></a>00623 }
<a name="l00624"></a>00624
<a name="l00625"></a>00625 <span class="preprocessor">#endif</span>
<a name="l00626"></a>00626 <span class="preprocessor"></span>
</pre></div></div>
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