poco/Foundation/include/Poco/RWLock_WINCE.h
Roger Meier b0581433a7 LICENSE: add info about SPDX-License-Identifier usage and use it
fix: remove executable flag and change back to 100644 (was 100755)

Signed-off-by: Roger Meier <r.meier@siemens.com>
2014-05-14 08:38:09 +02:00

64 lines
1.2 KiB
C++

//
// RWLock_WINCE.h
//
// $Id: //poco/1.4/Foundation/include/Poco/RWLock_WINCE.h#1 $
//
// Library: Foundation
// Package: Threading
// Module: RWLock
//
// Definition of the RWLockImpl class for WINCE.
//
// Copyright (c) 2009-2010, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_RWLock_WINCE_INCLUDED
#define Foundation_RWLock_WINCE_INCLUDED
#include "Poco/Foundation.h"
#include "Poco/Exception.h"
#include "Poco/UnWindows.h"
namespace Poco {
class Foundation_API RWLockImpl
/// This implementation is based on the one from Stone Steps Inc,
/// licensed under the BSD license.
/// http://forums.stonesteps.ca/thread.asp?t=105
///
/// Note that with this implementation, writers always take
/// precedence over readers.
{
protected:
RWLockImpl();
~RWLockImpl();
void readLockImpl();
bool tryReadLockImpl(DWORD timeout = 1);
void writeLockImpl();
bool tryWriteLockImpl(DWORD timeout = 1);
void unlockImpl();
private:
DWORD _readerCount;
DWORD _readerWaiting;
DWORD _writerCount;
DWORD _writerWaiting;
HANDLE _readerGreen;
HANDLE _writerGreen;
CRITICAL_SECTION _cs;
bool _writeLock;
};
} // namespace Poco
#endif // Foundation_RWLock_WINCE_INCLUDED