FreeRDP/winpr/libwinpr/synch/wait.c

124 lines
2.7 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
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <winpr/crt.h>
#include <winpr/synch.h>
#include "synch.h"
/**
* WaitForSingleObject
* WaitForSingleObjectEx
* WaitForMultipleObjectsEx
* SignalObjectAndWait
*/
#ifndef _WIN32
DWORD WaitForSingleObject(HANDLE hHandle, DWORD dwMilliseconds)
{
ULONG Type;
PVOID Object;
if (!winpr_Handle_GetInfo(hHandle, &Type, &Object))
return WAIT_FAILED;
if (Type == HANDLE_TYPE_THREAD)
{
if (dwMilliseconds != INFINITE)
printf("WaitForSingleObject: timeout not implemented for thread wait\n");
pthread_join((pthread_t) Object, NULL);
}
if (Type == HANDLE_TYPE_MUTEX)
{
if (dwMilliseconds != INFINITE)
printf("WaitForSingleObject: timeout not implemented for mutex wait\n");
pthread_mutex_lock((pthread_mutex_t*) Object);
}
else if (Type == HANDLE_TYPE_EVENT)
{
int status;
fd_set rfds;
WINPR_EVENT* event;
struct timeval timeout;
event = (WINPR_EVENT*) Object;
FD_ZERO(&rfds);
FD_SET(event->pipe_fd[0], &rfds);
ZeroMemory(&timeout, sizeof(timeout));
if ((dwMilliseconds != INFINITE) && (dwMilliseconds != 0))
{
timeout.tv_usec = dwMilliseconds * 1000;
}
status = select(event->pipe_fd[0] + 1, &rfds, 0, 0,
(dwMilliseconds == INFINITE) ? NULL : &timeout);
if (status < 0)
return WAIT_FAILED;
if (status != 1)
return WAIT_TIMEOUT;
}
else if (Type == HANDLE_TYPE_SEMAPHORE)
{
#if defined __APPLE__
semaphore_wait(*((winpr_sem_t*) Object));
#else
sem_wait((winpr_sem_t*) Object);
#endif
}
return WAIT_OBJECT_0;
}
DWORD WaitForSingleObjectEx(HANDLE hHandle, DWORD dwMilliseconds, BOOL bAlertable)
{
return WAIT_OBJECT_0;
}
DWORD WaitForMultipleObjects(DWORD nCount, const HANDLE* lpHandles, BOOL bWaitAll, DWORD dwMilliseconds)
{
return 0;
}
DWORD WaitForMultipleObjectsEx(DWORD nCount, const HANDLE* lpHandles, BOOL bWaitAll, DWORD dwMilliseconds, BOOL bAlertable)
{
return 0;
}
DWORD SignalObjectAndWait(HANDLE hObjectToSignal, HANDLE hObjectToWaitOn, DWORD dwMilliseconds, BOOL bAlertable)
{
return 0;
}
#endif