62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
/*
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** Command & Conquer Renegade(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** 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
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CRITSEC_HEADER
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#define CRITSEC_HEADER
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#include "wstypes.h"
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#ifdef _WIN32
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#include <windows.h>
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#include <winbase.h>
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#elif defined(_UNIX)
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#include <pthread.h>
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#include <errno.h>
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#endif
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// Windows headers have a tendency to redefine IN
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#ifdef IN
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#undef IN
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#endif
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#define IN const
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//
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// Critical Section built either on a POSIX Mutex, or a Win32 Critical Section
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//
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// POSIX version is done by keeping a thread_id and a reference count. Win32 version
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// just calls the built in functions.
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//
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class CritSec
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{
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public:
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CritSec();
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~CritSec();
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sint32 lock(int *refcount=NULL) RO;
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sint32 unlock(void) RO;
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protected:
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#ifdef _WIN32
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mutable CRITICAL_SECTION CritSec_;
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#else
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mutable pthread_mutex_t Mutex_; // Mutex lock
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mutable pthread_t ThreadId_; // Owner of mutex
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mutable int RefCount_; // Reference count
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#endif
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};
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#endif
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