Initial commit

Torque/SDK/engine/platformWin32/winSemaphore.cc

@@ -0,0 +1,42 @@
+//-----------------------------------------------------------------------------
+// Torque Game Engine
+// Copyright (C) GarageGames.com, Inc.
+//-----------------------------------------------------------------------------
+
+#include "platformWin32/platformWin32.h"
+#include "platform/platformSemaphore.h"
+
+void * Semaphore::createSemaphore(U32 initialCount)
+{
+   HANDLE * semaphore = new HANDLE;
+   *semaphore = CreateSemaphore(0, initialCount, S32_MAX, 0);
+   return(semaphore);
+}
+
+void Semaphore::destroySemaphore(void * semaphore)
+{
+   AssertFatal(semaphore, "Semaphore::destroySemaphore: invalid semaphore");
+   CloseHandle(*(HANDLE*)semaphore);
+   delete semaphore;
+}
+
+bool Semaphore::acquireSemaphore(void * semaphore, bool block)
+{
+   AssertFatal(semaphore, "Semaphore::acquireSemaphore: invalid semaphore");
+   if(block)
+   {
+      WaitForSingleObject(*(HANDLE*)semaphore, INFINITE);
+      return(true);
+   }
+   else
+   {
+      DWORD result = WaitForSingleObject(*(HANDLE*)semaphore, 0);
+      return(result == WAIT_OBJECT_0);
+   }
+}
+
+void Semaphore::releaseSemaphore(void * semaphore)
+{
+   AssertFatal(semaphore, "Semaphore::releaseSemaphore: invalid semaphore");
+   ReleaseSemaphore(*(HANDLE*)semaphore, 1, 0);
+}