mirror of
https://github.com/ZDoom/Raze.git
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150 lines
No EOL
3.3 KiB
C++
150 lines
No EOL
3.3 KiB
C++
/*
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**
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**
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**---------------------------------------------------------------------------
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** Copyright 2005-2016 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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namespace FileSys {
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#ifdef _WIN32
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#ifndef _WINNT_
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#endif
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class FInternalCriticalSection
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{
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public:
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void Enter()
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{
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AcquireSRWLockExclusive(&CritSec);
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}
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void Leave()
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{
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ReleaseSRWLockExclusive(&CritSec);
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}
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private:
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SRWLOCK CritSec = SRWLOCK_INIT;
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};
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FInternalCriticalSection *CreateCriticalSection()
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{
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return new FInternalCriticalSection();
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}
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void DeleteCriticalSection(FInternalCriticalSection *c)
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{
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delete c;
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}
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void EnterCriticalSection(FInternalCriticalSection *c)
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{
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c->Enter();
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}
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void LeaveCriticalSection(FInternalCriticalSection *c)
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{
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c->Leave();
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}
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#else
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#include "critsec.h"
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#include <pthread.h>
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class FInternalCriticalSection
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{
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public:
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FInternalCriticalSection();
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~FInternalCriticalSection();
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void Enter();
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void Leave();
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private:
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pthread_mutex_t m_mutex;
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};
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// TODO: add error handling
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FInternalCriticalSection::FInternalCriticalSection()
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{
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pthread_mutexattr_t attributes;
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pthread_mutexattr_init(&attributes);
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pthread_mutexattr_settype(&attributes, PTHREAD_MUTEX_RECURSIVE);
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pthread_mutex_init(&m_mutex, &attributes);
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pthread_mutexattr_destroy(&attributes);
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}
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FInternalCriticalSection::~FInternalCriticalSection()
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{
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pthread_mutex_destroy(&m_mutex);
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}
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void FInternalCriticalSection::Enter()
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{
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pthread_mutex_lock(&m_mutex);
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}
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void FInternalCriticalSection::Leave()
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{
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pthread_mutex_unlock(&m_mutex);
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}
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FInternalCriticalSection *CreateCriticalSection()
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{
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return new FInternalCriticalSection();
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}
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void DeleteCriticalSection(FInternalCriticalSection *c)
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{
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delete c;
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}
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void EnterCriticalSection(FInternalCriticalSection *c)
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{
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c->Enter();
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}
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void LeaveCriticalSection(FInternalCriticalSection *c)
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{
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c->Leave();
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}
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#endif
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} |