forked from mirror/libbpg
67 lines
2.4 KiB
C++
67 lines
2.4 KiB
C++
/*****************************************************************************
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* Copyright (C) 2013 x265 project
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*
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* Authors: Steve Borho <steve@borho.org>
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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 2 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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
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*
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* This program is also available under a commercial proprietary license.
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* For more information, contact us at license @ x265.com
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*****************************************************************************/
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#ifndef X265_WINXP_H
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#define X265_WINXP_H
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#if defined(_WIN32) && (_WIN32_WINNT < 0x0600) // _WIN32_WINNT_VISTA
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#ifdef _MSC_VER
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#include <intrin.h> // _InterlockedCompareExchange64
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#endif
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namespace X265_NS {
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/* non-native condition variable */
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typedef struct
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{
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CRITICAL_SECTION broadcastMutex;
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CRITICAL_SECTION waiterCountMutex;
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HANDLE semaphore;
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HANDLE waitersDone;
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volatile int waiterCount;
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volatile int bIsBroadcast;
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} ConditionVariable;
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int WINAPI cond_init(ConditionVariable *cond);
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void WINAPI cond_broadcast(ConditionVariable *cond);
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void WINAPI cond_signal(ConditionVariable *cond);
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BOOL WINAPI cond_wait(ConditionVariable *cond, CRITICAL_SECTION *mutex, DWORD wait);
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void cond_destroy(ConditionVariable *cond);
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/* map missing API symbols to our structure and functions */
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#define CONDITION_VARIABLE X265_NS::ConditionVariable
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#define InitializeConditionVariable X265_NS::cond_init
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#define SleepConditionVariableCS X265_NS::cond_wait
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#define WakeConditionVariable X265_NS::cond_signal
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#define WakeAllConditionVariable X265_NS::cond_broadcast
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#define XP_CONDITION_VAR_FREE X265_NS::cond_destroy
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} // namespace X265_NS
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#else // if defined(_WIN32) && (_WIN32_WINNT < 0x0600)
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#define XP_CONDITION_VAR_FREE(x)
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#endif // _WIN32_WINNT <= _WIN32_WINNT_WINXP
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#endif // ifndef X265_WINXP_H
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