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<hr><h1>eventqueue.cpp</h1><a href="eventqueue_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00013 <span class="preprocessor">#include "<a class="code" href="sysconfig_8h.html">sysconfig.h</a>"</span>
00014 <span class="preprocessor">#include "<a class="code" href="eventqueue_8h.html">eventqueue.h</a>"</span>
00015 <span class="preprocessor">#include "<a class="code" href="guard_8h.html">guard.h</a>"</span>
00016
00025 <span class="preprocessor">#pragma argsused</span>
<a name="l00026"></a><a class="code" href="classEventQueue.html#a0">00026</a> <span class="preprocessor"></span><a class="code" href="classEventQueue.html#a0">EventQueue::EventQueue</a>(<span class="keywordtype">int</span> num_threads) {
00027 <span class="comment">// mFree = CreateSemaphore(0, num_threads, num_threads, 0);</span>
00028 <span class="comment">// mUsed = CreateSemaphore(0, 0, num_threads, 0);</span>
00029 InitializeCriticalSection(&<a class="code" href="classEventQueue.html#o1">mMutex</a>);
00030 <span class="comment">// if (mFree == FALSE || mUsed == FALSE)</span>
00031 <span class="comment">// mOk = false;</span>
00032 <span class="comment">// else</span>
00033 <span class="comment">// mOk = true;</span>
00034 }
00035
<a name="l00039"></a><a class="code" href="classEventQueue.html#a1">00039</a> <a class="code" href="classEventQueue.html#a1">EventQueue::~EventQueue</a>() {
00040 DeleteCriticalSection(&<a class="code" href="classEventQueue.html#o1">mMutex</a>);
00041 <span class="comment">// if (mUsed != FALSE)</span>
00042 <span class="comment">// CloseHandle(mUsed);</span>
00043 <span class="comment">// if (mFree != FALSE)</span>
00044 <span class="comment">// CloseHandle(mFree);</span>
00045 }
00046
<a name="l00052"></a><a class="code" href="classEventQueue.html#a2">00052</a> <span class="keywordtype">void</span> <a class="code" href="classEventQueue.html#a2">EventQueue::Push</a>(<a class="code" href="classEvent.html">Event</a> * event) {
00053 <span class="comment">// if (!mOk)</span>
00054 <span class="comment">// return;</span>
00055 <span class="comment">// WaitForSingleObject(mFree, INFINITE);</span>
00056 {
00057 <a class="code" href="classGuard.html">Guard</a> g(<a class="code" href="classEventQueue.html#o1">mMutex</a>);
00058 <a class="code" href="classEventQueue.html#o0">mQue</a>.push(event);
00059 }
00060 <span class="comment">// ReleaseSemaphore(mUsed, 1, 0);</span>
00061 }
00062
<a name="l00068"></a><a class="code" href="classEventQueue.html#a3">00068</a> <a class="code" href="classEvent.html">Event</a>* <a class="code" href="classEventQueue.html#a3">EventQueue::Pop</a>() {
00069 <a class="code" href="classEvent.html">Event</a> * event = NULL;
00070 <span class="comment">// if (!mOk)</span>
00071 <span class="comment">// return NULL;</span>
00072 <span class="comment">// WaitForSingleObject(mUsed, INFINITE);</span>
00073 {
00074 <a class="code" href="classGuard.html">Guard</a> g(<a class="code" href="classEventQueue.html#o1">mMutex</a>);
00075 <span class="keywordflow">if</span> (!<a class="code" href="classEventQueue.html#o0">mQue</a>.empty()) {
00076 event = <a class="code" href="classEventQueue.html#o0">mQue</a>.front();
00077 <a class="code" href="classEventQueue.html#o0">mQue</a>.pop();
00078 }
00079 }
00080 <span class="comment">// ReleaseSemaphore(mFree, 1, 0);</span>
00081 <span class="keywordflow">return</span> event;
00082 }
00083
<a name="l00089"></a><a class="code" href="classEventQueue.html#a4">00089</a> <span class="keywordtype">int</span> <a class="code" href="classEventQueue.html#a4">EventQueue::Size</a>() {
00090 <a class="code" href="classGuard.html">Guard</a> g(<a class="code" href="classEventQueue.html#o1">mMutex</a>);
00091 <span class="keywordflow">return</span> <a class="code" href="classEventQueue.html#o0">mQue</a>.size();
00092 }
00093
<a name="l00099"></a><a class="code" href="classEventQueue.html#a5">00099</a> <span class="keywordtype">bool</span> <a class="code" href="classEventQueue.html#a5">EventQueue::IsOk</a>() {
00100 <span class="comment">// return mOk;</span>
00101 <span class="keywordflow">return</span> <span class="keyword">true</span>;
00102 }
00103
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