C++ (Cpp) mono_monitor_enter Beispiele

Beispiel #1

Datei: threadpool.c Projekt: mantasp/mono

/* Returns the exception thrown when invoking, if any */
static MonoObject *
mono_async_invoke (ThreadPool *tp, MonoAsyncResult *ares)
{
	ASyncCall *ac = (ASyncCall *)ares->object_data;
	MonoObject *res, *exc = NULL;
	MonoArray *out_args = NULL;
	HANDLE wait_event = NULL;

	if (ares->execution_context) {
		/* use captured ExecutionContext (if available) */
		MONO_OBJECT_SETREF (ares, original_context, mono_thread_get_execution_context ());
		mono_thread_set_execution_context (ares->execution_context);
	} else {
		ares->original_context = NULL;
	}

	if (ac == NULL) {
		/* Fast path from ThreadPool.*QueueUserWorkItem */
		void *pa = ares->async_state;
		mono_runtime_delegate_invoke (ares->async_delegate, &pa, &exc);
	} else {
		MonoObject *cb_exc = NULL;

		ac->msg->exc = NULL;
		res = mono_message_invoke (ares->async_delegate, ac->msg, &exc, &out_args);
		MONO_OBJECT_SETREF (ac, res, res);
		MONO_OBJECT_SETREF (ac, msg->exc, exc);
		MONO_OBJECT_SETREF (ac, out_args, out_args);

		mono_monitor_enter ((MonoObject *) ares);
		ares->completed = 1;
		if (ares->handle != NULL)
			wait_event = mono_wait_handle_get_handle ((MonoWaitHandle *) ares->handle);
		mono_monitor_exit ((MonoObject *) ares);
		/* notify listeners */
		if (wait_event != NULL)
			SetEvent (wait_event);

		/* call async callback if cb_method != null*/
		if (ac != NULL && ac->cb_method) {
			void *pa = &ares;
			cb_exc = NULL;
			mono_runtime_invoke (ac->cb_method, ac->cb_target, pa, &cb_exc);
			MONO_OBJECT_SETREF (ac->msg, exc, cb_exc);
			exc = cb_exc;
		} else {
			exc = NULL;
		}
	}

	/* restore original thread execution context if flow isn't suppressed, i.e. non null */
	if (ares->original_context) {
		mono_thread_set_execution_context (ares->original_context);
		ares->original_context = NULL;
	}
	return exc;
}

Beispiel #2

Datei: threadpool.c Projekt: Lavesson/mono

MonoObject *
mono_thread_pool_finish (MonoAsyncResult *ares, MonoArray **out_args, MonoObject **exc)
{
	ASyncCall *ac;
	HANDLE wait_event;

	*exc = NULL;
	*out_args = NULL;

	/* check if already finished */
	mono_monitor_enter ((MonoObject *) ares);
	
	if (ares->endinvoke_called) {
		*exc = (MonoObject *) mono_get_exception_invalid_operation (NULL);
		mono_monitor_exit ((MonoObject *) ares);
		return NULL;
	}

	ares->endinvoke_called = 1;
	/* wait until we are really finished */
	if (!ares->completed) {
		if (ares->handle == NULL) {
			wait_event = CreateEvent (NULL, TRUE, FALSE, NULL);
			g_assert(wait_event != 0);
			MONO_OBJECT_SETREF (ares, handle, (MonoObject *) mono_wait_handle_new (mono_object_domain (ares), wait_event));
		} else {
			wait_event = mono_wait_handle_get_handle ((MonoWaitHandle *) ares->handle);
		}
		mono_monitor_exit ((MonoObject *) ares);
		WaitForSingleObjectEx (wait_event, INFINITE, TRUE);
	} else {
		mono_monitor_exit ((MonoObject *) ares);
	}

	ac = (ASyncCall *) ares->object_data;
	g_assert (ac != NULL);
	*exc = ac->msg->exc; /* FIXME: GC add write barrier */
	*out_args = ac->out_args;

	return ac->res;
}

Beispiel #3

/* Returns the exception thrown when invoking, if any */
static MonoObject *
mono_async_invoke (ThreadPool *tp, MonoAsyncResult *ares)
{
	ASyncCall *ac = (ASyncCall *)ares->object_data;
	MonoObject *res, *exc = NULL;
	MonoArray *out_args = NULL;
	HANDLE wait_event = NULL;
	MonoInternalThread *thread = mono_thread_internal_current ();

	if (ares->execution_context) {
		/* use captured ExecutionContext (if available) */
		MONO_OBJECT_SETREF (ares, original_context, mono_thread_get_execution_context ());
		mono_thread_set_execution_context (ares->execution_context);
	} else {
		ares->original_context = NULL;
	}

	if (ac == NULL) {
		/* Fast path from ThreadPool.*QueueUserWorkItem */
		void *pa = ares->async_state;
		/* The debugger needs this */
		thread->async_invoke_method = ((MonoDelegate*)ares->async_delegate)->method;
		res = mono_runtime_delegate_invoke (ares->async_delegate, &pa, &exc);
		thread->async_invoke_method = NULL;
	} else {
		MonoObject *cb_exc = NULL;

		ac->msg->exc = NULL;
		res = mono_message_invoke (ares->async_delegate, ac->msg, &exc, &out_args);
		MONO_OBJECT_SETREF (ac, res, res);
		MONO_OBJECT_SETREF (ac, msg->exc, exc);
		MONO_OBJECT_SETREF (ac, out_args, out_args);

		mono_monitor_enter ((MonoObject *) ares);
		ares->completed = 1;
		if (ares->handle != NULL)
			wait_event = mono_wait_handle_get_handle ((MonoWaitHandle *) ares->handle);
		mono_monitor_exit ((MonoObject *) ares);
		/* notify listeners */
		if (wait_event != NULL)
			SetEvent (wait_event);

		/* call async callback if cb_method != null*/
		if (ac != NULL && ac->cb_method) {
			void *pa = &ares;
			cb_exc = NULL;
			thread->async_invoke_method = ac->cb_method;
			mono_runtime_invoke (ac->cb_method, ac->cb_target, pa, &cb_exc);
			thread->async_invoke_method = NULL;
			exc = cb_exc;
		} else {
			exc = NULL;
		}
	}

	/* restore original thread execution context if flow isn't suppressed, i.e. non null */
	if (ares->original_context) {
		mono_thread_set_execution_context (ares->original_context);
		ares->original_context = NULL;
	}

#if DEBUG
	InterlockedDecrement (&tp->njobs);
#endif
	if (!tp->is_io)
		InterlockedIncrement (&tp->nexecuted);

	if (InterlockedDecrement (&monitor_njobs) == 0)
		monitor_state = MONITOR_STATE_FALLING_ASLEEP;

	return exc;
}