Imported MaNGOS revision 6767 from http://mangos.svn.sourceforge.net/svnroot/mangos/trunk/

dep/src/zthread/CountingSemaphore.cxx

@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2005, Eric Crahen
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is furnished
+ * to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "zthread/CountingSemaphore.h"
+#include "SemaphoreImpl.h"
+
+using namespace ZThread;
+
+namespace ZThread {
+
+
+  CountingSemaphore::CountingSemaphore(int initialCount) {
+  
+    _impl = new FifoSemaphoreImpl(initialCount, 0 , false);
+  
+  }
+
+
+  CountingSemaphore::~CountingSemaphore() {
+
+    try {
+
+      if(_impl != 0)
+        delete _impl;
+
+    } catch(...) { }
+
+  }
+
+
+  void CountingSemaphore::wait() {
+    _impl->acquire();
+  }
+
+
+  bool CountingSemaphore::tryWait(unsigned long ms) {
+
+    return _impl->tryAcquire(ms);
+
+  }
+
+
+  void CountingSemaphore::post() {
+
+    _impl->release();
+
+  }
+
+  int CountingSemaphore::count() {
+
+    return _impl->count();
+
+  }
+
+  void CountingSemaphore::acquire() {
+
+    _impl->acquire();
+
+  }
+
+  bool CountingSemaphore::tryAcquire(unsigned long ms) {
+
+    return _impl->tryAcquire(ms);
+
+  }
+
+  void CountingSemaphore::release() {
+
+    _impl->release();
+
+  }
+
+} // namespace ZThread