Merged branch threadingengine with master - Added a threading engine

1 files changed, 104 insertions, 0 deletions

diff --git a/src/threadengine_win32.cpp b/src/threadengine_win32.cpp
new file mode 100644
index 000000000..602d8b809
--- /dev/null
+++ b/src/threadengine_win32.cpp
@@ -0,0 +1,104 @@
+#include "services.h"
+
+/** Join to the thread, sets the exit state to true
+ */
+void Thread::Join()
+{
+	SetExitState();
+	WaitForSingleObject(Handle, INFINITE);
+}
+
+/** Entry point for the thread
+ * @param paramter A Thread* cast to a void*
+ */
+static DWORD WINAPI entry_point(void *parameter)
+{
+	Thread *thread = static_cast<Thread *>(parameter);
+	thread->Run();
+	return 0;
+}
+
+/** Threadengines constructor
+ */
+ThreadEngine::ThreadEngine()
+{
+}
+
+/** Threadengines destructor
+ */
+ThreadEngine::~ThreadEngine()
+{
+}
+
+/** Start a new thread
+ * @param thread A pointer to a newley allocated thread
+ */
+void ThreadEngine::Start(Thread *thread)
+{
+	thread->Handle = CreateThread(NULL, 0, entry_point, thread, 0, NULL);
+
+	if (!thread->Handle)
+	{
+		delete thread;
+		throw CoreException("Unable to create thread");
+	}
+}
+
+/** Constructor
+ */
+Mutex::Mutex()
+{
+	InitializeCriticalSection(&mutex);
+}
+
+/** Destructor
+ */
+Mutex::~Mutex()
+{
+	DeleteCriticalSection(&mutex);
+}
+
+/** Attempt to lock the mutex, will hang until a lock can be achieved
+ */
+void Mutex::Lock()
+{
+	EnterCriticalSection(&mutex);
+}
+
+/** Unlock the mutex, it must be locked first
+ */
+void Mutex::Unlock()
+{
+	LeaveCriticalSection(&mutex);
+}
+
+/** Constructor
+ */
+Condition::Condition() : Mutex()
+{
+	cond = CreateEvent(NULL, false, false, NULL);
+}
+
+/** Destructor
+ */
+Condition::~Condition()
+{
+	CloseHandle(cond);
+}
+
+/** Called to wakeup the waiter
+ */
+void Condition::Wakeup()
+{
+	PulseEvent(cond);
+}
+
+/** Called to wait for a Wakeup() call
+ */
+void Condition::Wait()
+{
+	LeaveCriticalSection(&mutex);
+	WaitForSingleObject(cond, INFINITE);
+	EnterCriticalSection(&mutex);
+}
+