mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2024-11-14 19:57:17 +01:00
58 lines
944 B
C
58 lines
944 B
C
|
//
|
||
|
|
// RWLock_WIN32.h
|
||
|
|
//
|
||
|
|
// Library: Foundation
|
||
|
|
// Package: Threading
|
||
|
|
// Module: RWLock
|
||
|
|
//
|
||
|
|
// Definition of the RWLockImpl class for WIN32.
|
||
|
|
//
|
||
|
|
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
|
||
|
|
// and Contributors.
|
||
|
|
//
|
||
|
|
// SPDX-License-Identifier: BSL-1.0
|
||
|
|
//
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef Foundation_RWLock_WIN32_INCLUDED
|
||
|
|
#define Foundation_RWLock_WIN32_INCLUDED
|
||
|
|
|
||
|
|
|
||
|
|
#include "Poco/Foundation.h"
|
||
|
|
#include "Poco/Exception.h"
|
||
|
|
#include "Poco/UnWindows.h"
|
||
|
|
|
||
|
|
|
||
|
|
namespace Poco {
|
||
|
|
|
||
|
|
|
||
|
|
class Foundation_API RWLockImpl
|
||
|
|
{
|
||
|
|
protected:
|
||
|
|
RWLockImpl();
|
||
|
|
~RWLockImpl();
|
||
|
|
void readLockImpl();
|
||
|
|
bool tryReadLockImpl();
|
||
|
|
void writeLockImpl();
|
||
|
|
bool tryWriteLockImpl();
|
||
|
|
void unlockImpl();
|
||
|
|
|
||
|
|
private:
|
||
|
|
void addWriter();
|
||
|
|
void removeWriter();
|
||
|
|
DWORD tryReadLockOnce();
|
||
|
|
|
||
|
|
HANDLE _mutex;
|
||
|
|
HANDLE _readEvent;
|
||
|
|
HANDLE _writeEvent;
|
||
|
|
unsigned _readers;
|
||
|
|
unsigned _writersWaiting;
|
||
|
|
unsigned _writers;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
} // namespace Poco
|
||
|
|
|
||
|
|
|
||
|
|
#endif // Foundation_RWLock_WIN32_INCLUDED
|