96 lines
2.2 KiB
C
96 lines
2.2 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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/**
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* CreateSemaphoreExA
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* CreateSemaphoreExW
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* OpenSemaphoreA
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* OpenSemaphoreW
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* ReleaseSemaphore
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*/
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#ifndef _WIN32
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HANDLE CreateSemaphoreW(LPSECURITY_ATTRIBUTES lpSemaphoreAttributes, LONG lInitialCount, LONG lMaximumCount, LPCWSTR lpName)
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{
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HANDLE handle;
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winpr_sem_t* semaphore;
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semaphore = (winpr_sem_t*) malloc(sizeof(winpr_sem_t));
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if (semaphore)
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{
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#if defined __APPLE__
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semaphore_create(mach_task_self(), semaphore, SYNC_POLICY_FIFO, lMaximumCount);
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#else
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sem_init(semaphore, 0, lMaximumCount);
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#endif
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}
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handle = winpr_Handle_Insert(HANDLE_TYPE_SEMAPHORE, (PVOID) semaphore);
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return handle;
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}
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HANDLE CreateSemaphoreA(LPSECURITY_ATTRIBUTES lpSemaphoreAttributes, LONG lInitialCount, LONG lMaximumCount, LPCSTR lpName)
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{
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return CreateSemaphoreW(lpSemaphoreAttributes, lInitialCount, lMaximumCount, NULL);
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}
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HANDLE OpenSemaphoreW(DWORD dwDesiredAccess, BOOL bInheritHandle, LPCWSTR lpName)
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{
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return NULL;
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}
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HANDLE OpenSemaphoreA(DWORD dwDesiredAccess, BOOL bInheritHandle, LPCSTR lpName)
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{
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return NULL;
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}
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BOOL ReleaseSemaphore(HANDLE hSemaphore, LONG lReleaseCount, LPLONG lpPreviousCount)
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{
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ULONG Type;
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PVOID Object;
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if (!winpr_Handle_GetInfo(hSemaphore, &Type, &Object))
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return FALSE;
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if (Type == HANDLE_TYPE_SEMAPHORE)
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{
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#if defined __APPLE__
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semaphore_signal(*((winpr_sem_t*) Object));
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#else
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sem_post((winpr_sem_t*) Object);
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#endif
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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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