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#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);
}
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