mirror of
https://github.com/pocoproject/poco.git
synced 2025-11-04 04:09:57 +01:00
103 lines
2.5 KiB
C++
103 lines
2.5 KiB
C++
//
|
|
// Mutex_VX.h
|
|
//
|
|
// $Id: //poco/1.4/Foundation/include/Poco/Mutex_VX.h#1 $
|
|
//
|
|
// Library: Foundation
|
|
// Package: Threading
|
|
// Module: Mutex
|
|
//
|
|
// Definition of the MutexImpl and FastMutexImpl classes for VxWorks.
|
|
//
|
|
// Copyright (c) 2004-2011, Applied Informatics Software Engineering GmbH.
|
|
// and Contributors.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person or organization
|
|
// obtaining a copy of the software and accompanying documentation covered by
|
|
// this license (the "Software") to use, reproduce, display, distribute,
|
|
// execute, and transmit the Software, and to prepare derivative works of the
|
|
// Software, and to permit third-parties to whom the Software is furnished to
|
|
// do so, all subject to the following:
|
|
//
|
|
// The copyright notices in the Software and this entire statement, including
|
|
// the above license grant, this restriction and the following disclaimer,
|
|
// must be included in all copies of the Software, in whole or in part, and
|
|
// all derivative works of the Software, unless such copies or derivative
|
|
// works are solely in the form of machine-executable object code generated by
|
|
// a source language processor.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
|
|
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
|
|
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
|
|
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
// DEALINGS IN THE SOFTWARE.
|
|
//
|
|
|
|
|
|
#ifndef Foundation_Mutex_VX_INCLUDED
|
|
#define Foundation_Mutex_VX_INCLUDED
|
|
|
|
|
|
#include "Poco/Foundation.h"
|
|
#include "Poco/Exception.h"
|
|
#include <semLib.h>
|
|
#include <errno.h>
|
|
|
|
|
|
namespace Poco {
|
|
|
|
|
|
class Foundation_API MutexImpl
|
|
{
|
|
protected:
|
|
MutexImpl();
|
|
MutexImpl(bool fast);
|
|
~MutexImpl();
|
|
void lockImpl();
|
|
bool tryLockImpl();
|
|
bool tryLockImpl(long milliseconds);
|
|
void unlockImpl();
|
|
|
|
private:
|
|
SEM_ID _sem;
|
|
};
|
|
|
|
|
|
class Foundation_API FastMutexImpl: public MutexImpl
|
|
{
|
|
protected:
|
|
FastMutexImpl();
|
|
~FastMutexImpl();
|
|
};
|
|
|
|
|
|
//
|
|
// inlines
|
|
//
|
|
inline void MutexImpl::lockImpl()
|
|
{
|
|
if (semTake(_sem, WAIT_FOREVER) != OK)
|
|
throw SystemException("cannot lock mutex");
|
|
}
|
|
|
|
|
|
inline bool MutexImpl::tryLockImpl()
|
|
{
|
|
return semTake(_sem, NO_WAIT) == OK;
|
|
}
|
|
|
|
|
|
inline void MutexImpl::unlockImpl()
|
|
{
|
|
if (semGive(_sem) != OK)
|
|
throw SystemException("cannot unlock mutex");
|
|
}
|
|
|
|
|
|
} // namespace Poco
|
|
|
|
|
|
#endif // Foundation_Mutex_VX_INCLUDED
|