141 lines
3.0 KiB
C
141 lines
3.0 KiB
C
/**
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* WinPR: Windows Portable Runtime
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* Synchronization Functions
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*
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* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <winpr/synch.h>
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#include "synch.h"
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#ifndef _WIN32
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#include "../handle/handle.h"
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static BOOL MutexCloseHandle(HANDLE handle);
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static BOOL MutexIsHandled(HANDLE handle)
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{
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WINPR_TIMER* pMutex = (WINPR_TIMER*) handle;
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if (!pMutex || pMutex->Type != HANDLE_TYPE_MUTEX)
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{
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SetLastError(ERROR_INVALID_HANDLE);
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return FALSE;
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}
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return TRUE;
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}
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static int MutexGetFd(HANDLE handle)
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{
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WINPR_MUTEX *mux = (WINPR_MUTEX *)handle;
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if (!MutexIsHandled(handle))
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return -1;
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/* TODO: Mutex does not support file handles... */
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(void)mux;
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return -1;
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}
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BOOL MutexCloseHandle(HANDLE handle) {
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WINPR_MUTEX *mutex = (WINPR_MUTEX *) handle;
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if (!MutexIsHandled(handle))
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return FALSE;
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if(pthread_mutex_destroy(&mutex->mutex))
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return FALSE;
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free(handle);
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return TRUE;
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}
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HANDLE CreateMutexW(LPSECURITY_ATTRIBUTES lpMutexAttributes, BOOL bInitialOwner, LPCWSTR lpName)
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{
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HANDLE handle = NULL;
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WINPR_MUTEX* mutex;
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mutex = (WINPR_MUTEX*) calloc(1, sizeof(WINPR_MUTEX));
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if (mutex)
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{
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pthread_mutex_init(&mutex->mutex, 0);
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WINPR_HANDLE_SET_TYPE(mutex, HANDLE_TYPE_MUTEX);
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mutex->cb.GetFd = MutexGetFd;
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mutex->cb.CloseHandle = MutexCloseHandle;
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mutex->cb.IsHandled = MutexIsHandled;
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handle = (HANDLE) mutex;
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if (bInitialOwner)
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pthread_mutex_lock(&mutex->mutex);
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}
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return handle;
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}
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HANDLE CreateMutexA(LPSECURITY_ATTRIBUTES lpMutexAttributes, BOOL bInitialOwner, LPCSTR lpName)
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{
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return CreateMutexW(lpMutexAttributes, bInitialOwner, NULL);
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}
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HANDLE CreateMutexExA(LPSECURITY_ATTRIBUTES lpMutexAttributes, LPCTSTR lpName, DWORD dwFlags, DWORD dwDesiredAccess)
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{
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return CreateMutexW(lpMutexAttributes, FALSE, NULL);
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}
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HANDLE CreateMutexExW(LPSECURITY_ATTRIBUTES lpMutexAttributes, LPCWSTR lpName, DWORD dwFlags, DWORD dwDesiredAccess)
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{
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return CreateMutexW(lpMutexAttributes, FALSE, NULL);
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}
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HANDLE OpenMutexA(DWORD dwDesiredAccess, BOOL bInheritHandle,LPCSTR lpName)
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{
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return NULL;
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}
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HANDLE OpenMutexW(DWORD dwDesiredAccess, BOOL bInheritHandle,LPCWSTR lpName)
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{
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return NULL;
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}
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BOOL ReleaseMutex(HANDLE hMutex)
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{
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ULONG Type;
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PVOID Object;
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WINPR_MUTEX* mutex;
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if (!winpr_Handle_GetInfo(hMutex, &Type, &Object))
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return FALSE;
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if (Type == HANDLE_TYPE_MUTEX)
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{
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mutex = (WINPR_MUTEX*) Object;
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pthread_mutex_unlock(&mutex->mutex);
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return TRUE;
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}
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return FALSE;
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}
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#endif
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