mirror of
https://github.com/pocoproject/poco.git
synced 2024-12-23 15:34:11 +01:00
b0581433a7
fix: remove executable flag and change back to 100644 (was 100755) Signed-off-by: Roger Meier <r.meier@siemens.com>
64 lines
1.2 KiB
C++
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
|