Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/msgqdelete_8c_source.html
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
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<h1>examples/PIPS/opencmessagequeuelibraryex/engine/src/msgqdelete.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00010"></a>00010 <span class="preprocessor">#include <errno.h></span>
<a name="l00011"></a>00011 <span class="preprocessor">#include <sys/msg.h></span>
<a name="l00012"></a>00012 <span class="preprocessor">#include <sys/sem.h></span>
<a name="l00013"></a>00013 <span class="preprocessor">#include "<a class="code" href="msgqinternal_8h.html">MsgQInternal.h</a>"</span>
<a name="l00014"></a>00014
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="comment">/*******************************************************************************</span>
<a name="l00017"></a>00017 <span class="comment">* MsgQDelete (qName, err)</span>
<a name="l00018"></a>00018 <span class="comment">* Description: Function for deleting a message queue</span>
<a name="l00019"></a>00019 <span class="comment">********************************************************************************/</span>
<a name="l00020"></a>00020
<a name="l00021"></a><a class="code" href="msgqlib_8h.html#ae9435d91016cacef90a4d92db16a6fe1">00021</a> EXPORT_C <span class="keywordtype">int</span> <a class="code" href="msgqlib_8h.html#ae9435d91016cacef90a4d92db16a6fe1">MsgQDelete</a>(ULONG qName, <span class="keywordtype">int</span>* err)
<a name="l00022"></a>00022 {
<a name="l00023"></a>00023 <a class="code" href="struct_msg_q_info.html">MSGQ_INFO</a>* pMsgQInfo;
<a name="l00024"></a>00024 <span class="keywordtype">int</span> hashRmErr;
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="keywordflow">if</span> ((pMsgQInfo = MsgQTableLookup(qName)) != NULL) {
<a name="l00027"></a>00027 <span class="keywordflow">if</span> (semctl(pMsgQInfo->semId,0,IPC_RMID,0) == 0) {
<a name="l00028"></a>00028 <span class="keywordflow">if</span> (msgctl(pMsgQInfo->qId,IPC_RMID,0) == 0) {
<a name="l00029"></a>00029 <span class="keywordflow">if</span> (RemoveFromMsqQTable(pMsgQInfo->qName, &hashRmErr) == OK) {
<a name="l00030"></a>00030 DeleteFromMsgQTable(qName);
<a name="l00031"></a>00031 *err = OK;
<a name="l00032"></a>00032 <span class="keywordflow">return</span> (OK);
<a name="l00033"></a>00033 }
<a name="l00034"></a>00034 <span class="keywordflow">else</span>
<a name="l00035"></a>00035 *err = hashRmErr;
<a name="l00036"></a>00036 }
<a name="l00037"></a>00037 <span class="keywordflow">else</span>
<a name="l00038"></a>00038 *err = errno;
<a name="l00039"></a>00039 }
<a name="l00040"></a>00040 <span class="keywordflow">else</span>
<a name="l00041"></a>00041 *err = errno;
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043 <span class="keywordflow">else</span>
<a name="l00044"></a>00044 *err = KMsgQLibQIdErr;
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="keywordflow">return</span>(ERROR);
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048
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