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/****************************************************************************
* Copyright (C) from 2009 to Present EPAM Systems.
*
* This file is part of Indigo toolkit.
*
* 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 "base_cpp/os_sync_wrapper.h"
using namespace indigo;
//
// osLock
//
OsLock::OsLock()
{
osMutexCreate(&_mutex);
}
OsLock::~OsLock()
{
osMutexDelete(&_mutex);
}
void OsLock::Lock()
{
osMutexLock(&_mutex);
}
void OsLock::Unlock()
{
osMutexUnlock(&_mutex);
}
//
// Semaphore wrapper
//
OsSemaphore::OsSemaphore(int initial_count, int max_count)
{
osSemaphoreCreate(&_sem, initial_count, max_count);
}
OsSemaphore::~OsSemaphore()
{
osSemaphoreDelete(&_sem);
}
void OsSemaphore::Wait()
{
osSemaphoreWait(&_sem);
}
void OsSemaphore::Post()
{
osSemaphorePost(&_sem);
}
//
// Message system
//
void OsMessageSystem::SendMsg(int message, void* param)
{
OsLocker locker(_sendLock);
_localMessage = message;
_localParam = param;
_sendSem.Post();
_finishRecvSem.Wait();
}
void OsMessageSystem::RecvMsg(int* message, void** result)
{
OsLocker locker(_recvLock);
// Wait for sending
_sendSem.Wait();
*message = _localMessage;
if (result != NULL)
*result = _localParam;
_finishRecvSem.Post();
}
OsMessageSystem::OsMessageSystem() : _sendSem(0, 1), _finishRecvSem(0, 1)
{
}
//
// ThreadSafeStaticObj
//
namespace indigo
{
DLLEXPORT OsLock& osStaticObjConstructionLock()
{
static OsLock _static_obj_construction_lock;
return _static_obj_construction_lock;
}
} // namespace indigo
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