FreeRDP/winpr/libwinpr/synch/mutex.c

108 lines
2.3 KiB
C

/**
* WinPR: Windows Portable Runtime
* Synchronization Functions
*
* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <winpr/synch.h>
#include "synch.h"
/**
* CreateMutexA
* CreateMutexW
* CreateMutexExA
* CreateMutexExW
* OpenMutexA
* OpenMutexW
* ReleaseMutex
*/
#ifndef _WIN32
#include "../handle/handle.h"
HANDLE CreateMutexW(LPSECURITY_ATTRIBUTES lpMutexAttributes, BOOL bInitialOwner, LPCWSTR lpName)
{
HANDLE handle = NULL;
WINPR_MUTEX* mutex;
mutex = (WINPR_MUTEX*) malloc(sizeof(WINPR_MUTEX));
if (mutex)
{
pthread_mutex_init(&mutex->mutex, 0);
WINPR_HANDLE_SET_TYPE(mutex, HANDLE_TYPE_MUTEX);
handle = (HANDLE) mutex;
if (bInitialOwner)
pthread_mutex_lock(&mutex->mutex);
}
return handle;
}
HANDLE CreateMutexA(LPSECURITY_ATTRIBUTES lpMutexAttributes, BOOL bInitialOwner, LPCSTR lpName)
{
return CreateMutexW(lpMutexAttributes, bInitialOwner, NULL);
}
HANDLE CreateMutexExA(LPSECURITY_ATTRIBUTES lpMutexAttributes, LPCTSTR lpName, DWORD dwFlags, DWORD dwDesiredAccess)
{
return CreateMutexW(lpMutexAttributes, FALSE, NULL);
}
HANDLE CreateMutexExW(LPSECURITY_ATTRIBUTES lpMutexAttributes, LPCWSTR lpName, DWORD dwFlags, DWORD dwDesiredAccess)
{
return CreateMutexW(lpMutexAttributes, FALSE, NULL);
}
HANDLE OpenMutexA(DWORD dwDesiredAccess, BOOL bInheritHandle,LPCSTR lpName)
{
return NULL;
}
HANDLE OpenMutexW(DWORD dwDesiredAccess, BOOL bInheritHandle,LPCWSTR lpName)
{
return NULL;
}
BOOL ReleaseMutex(HANDLE hMutex)
{
ULONG Type;
PVOID Object;
WINPR_MUTEX* mutex;
if (!winpr_Handle_GetInfo(hMutex, &Type, &Object))
return FALSE;
if (Type == HANDLE_TYPE_MUTEX)
{
mutex = (WINPR_MUTEX*) Object;
pthread_mutex_unlock(&mutex->mutex);
return TRUE;
}
return FALSE;
}
#endif