mirror of https://github.com/PCSX2/pcsx2.git
91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2010 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "Threading.h"
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namespace Threading
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{
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// --------------------------------------------------------------------------------------
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// RwMutex
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// --------------------------------------------------------------------------------------
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class RwMutex
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{
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DeclareNoncopyableObject(RwMutex);
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protected:
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pthread_rwlock_t m_rwlock;
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public:
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RwMutex();
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virtual ~RwMutex() throw();
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virtual void AcquireRead();
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virtual void AcquireWrite();
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virtual bool TryAcquireRead();
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virtual bool TryAcquireWrite();
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virtual void Release();
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};
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// --------------------------------------------------------------------------------------
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// BaseScopedReadWriteLock
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// --------------------------------------------------------------------------------------
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class BaseScopedReadWriteLock
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{
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DeclareNoncopyableObject(BaseScopedReadWriteLock);
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protected:
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RwMutex& m_lock;
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bool m_IsLocked;
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public:
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BaseScopedReadWriteLock( RwMutex& locker )
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: m_lock( locker )
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{
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}
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virtual ~BaseScopedReadWriteLock() throw();
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void Release();
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bool IsLocked() const { return m_IsLocked; }
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};
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// --------------------------------------------------------------------------------------
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// ScopedReadLock / ScopedWriteLock
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// --------------------------------------------------------------------------------------
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class ScopedReadLock : public BaseScopedReadWriteLock
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{
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public:
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ScopedReadLock( RwMutex& locker );
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virtual ~ScopedReadLock() throw() {}
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void Acquire();
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};
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class ScopedWriteLock : public BaseScopedReadWriteLock
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{
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public:
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ScopedWriteLock( RwMutex& locker );
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virtual ~ScopedWriteLock() throw() {}
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void Acquire();
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protected:
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ScopedWriteLock( RwMutex& locker, bool isTryLock );
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};
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}
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