FreeRDP/winpr/synch/semaphore.c
2012-05-29 14:14:26 -04:00

105 lines
2.5 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.
*/
#include <winpr/synch.h>
#ifndef _WIN32
#if defined __APPLE__
#include <pthread.h>
#include <semaphore.h>
#include <mach/mach.h>
#include <mach/semaphore.h>
#include <mach/task.h>
#define winpr_sem_t semaphore_td
#else
#include <pthread.h>
#include <semaphore.h>
#define winpr_sem_t sem_t
#endif
HANDLE CreateSemaphoreA(LPSECURITY_ATTRIBUTES lpSemaphoreAttributes, LONG lInitialCount, LONG lMaximumCount, LPCSTR lpName)
{
winpr_sem_t* hSemaphore;
hSemaphore = malloc(sizeof(winpr_sem_t));
#if defined __APPLE__
semaphore_create(mach_task_self(), hSemaphore, SYNC_POLICY_FIFO, lMaximumCount);
#else
sem_init(hSemaphore, 0, lMaximumCount);
#endif
return (HANDLE) hSemaphore;
}
HANDLE CreateSemaphoreW(LPSECURITY_ATTRIBUTES lpSemaphoreAttributes, LONG lInitialCount, LONG lMaximumCount, LPCWSTR lpName)
{
winpr_sem_t* hSemaphore;
hSemaphore = malloc(sizeof(winpr_sem_t));
#if defined __APPLE__
semaphore_create(mach_task_self(), hSemaphore, SYNC_POLICY_FIFO, lMaximumCount);
#else
sem_init(hSemaphore, 0, lMaximumCount);
#endif
return (HANDLE) hSemaphore;
}
HANDLE OpenSemaphoreA(DWORD dwDesiredAccess, BOOL bInheritHandle, LPCSTR lpName)
{
return NULL;
}
HANDLE OpenSemaphoreW(DWORD dwDesiredAccess, BOOL bInheritHandle, LPCWSTR lpName)
{
return NULL;
}
BOOL ReleaseSemaphore(HANDLE hSemaphore, LONG lReleaseCount, LPLONG lpPreviousCount)
{
#if defined __APPLE__
semaphore_signal(*((winpr_sem_t*) hSemaphore));
#else
sem_post((winpr_sem_t*) hSemaphore);
#endif
return 1;
}
DWORD WaitForSingleObject(HANDLE hHandle, DWORD dwMilliseconds)
{
#if defined __APPLE__
semaphore_wait(*((winpr_sem_t*) hHandle));
#else
sem_wait((winpr_sem_t*) hHandle);
#endif
return WAIT_OBJECT_0;
}
DWORD WaitForMultipleObjects(DWORD nCount, const HANDLE* lpHandles, BOOL bWaitAll, DWORD dwMilliseconds)
{
return 0;
}
#endif