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/****************************************************************************
* Copyright (C) 2009-2015 EPAM Systems
*
* This file is part of Indigo toolkit.
*
* This file may be distributed and/or modified under the terms of the
* GNU General Public License version 3 as published by the Free Software
* Foundation and appearing in the file LICENSE.GPL included in the
* packaging of this file.
*
* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
***************************************************************************/
#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;
}
}
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