FreeRDP/libfreerdp-utils/mutex.c
2011-07-13 22:23:55 +08:00

78 lines
1.6 KiB
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
}