FreeRDP/libfreerdp-utils/mutex.c

/**
 * FreeRDP: A Remote Desktop Protocol Client
 * Mutex Utils
 *
 * Copyright 2011 Vic Lee
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <freerdp/utils/memory.h>
#include <freerdp/utils/mutex.h>

#if defined _WIN32

#include <windows.h>
#define freerdp_mutex_t HANDLE

#else

#include <pthread.h>
#define freerdp_mutex_t pthread_mutex_t

#endif

freerdp_mutex freerdp_mutex_new(void)
{
	freerdp_mutex_t* mutex;

	mutex = xnew(freerdp_mutex_t);

#if defined _WIN32
	*mutex = CreateMutex(NULL, FALSE, NULL);
#else
	pthread_mutex_init(mutex, 0);
#endif

	return mutex;
}

void freerdp_mutex_free(freerdp_mutex mutex)
{
#if defined _WIN32
	CloseHandle(*((freerdp_mutex_t*)mutex));
#else
	pthread_mutex_destroy((freerdp_mutex_t*)mutex);
#endif

	xfree(mutex);
}

void freerdp_mutex_lock(freerdp_mutex mutex)
{
#if defined _WIN32
	WaitForSingleObject(*((freerdp_mutex_t*)mutex), INFINITE);
#else
	pthread_mutex_lock(mutex);
#endif
}

void freerdp_mutex_unlock(freerdp_mutex mutex)
{
#if defined _WIN32
	ReleaseMutex(*((freerdp_mutex_t*)mutex));
#else
	pthread_mutex_unlock(mutex);
#endif
}