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https://github.com/libretro/blueMSX-libretro.git
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100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
/*****************************************************************************
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** $Source: /cygdrive/d/Private/_SVNROOT/bluemsx/blueMSX/Src/Sdl/SdlEvent.c,v $
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**
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** $Revision: 1.6 $
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**
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** $Date: 2008-03-30 18:38:45 $
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**
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** More info: http://www.bluemsx.com
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**
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** Copyright (C) 2003-2006 Daniel Vik
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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**
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******************************************************************************
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*/
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#include "ArchEvent.h"
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#include <stdlib.h>
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#ifdef SINGLE_THREADED
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// No semaphores needed in single threaded version
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void* archEventCreate(int initState) { return NULL; }
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void archEventDestroy(void* event) {}
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void archEventSet(void* event) {}
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void archEventWait(void* event, int timeout) {}
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#else
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#error
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#endif
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#ifdef PSP
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void* archSemaphoreCreate(int initCount)
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{
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}
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void archSemaphoreDestroy(void* semaphore)
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{
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}
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void archSemaphoreSignal(void* semaphore)
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{
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}
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void archSemaphoreWait(void* semaphore, int timeout)
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{
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}
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#else
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#include <semaphore.h>
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typedef struct {
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sem_t semaphore;
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} Semaphore;
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void* archSemaphoreCreate(int initCount)
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{
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Semaphore* s = (Semaphore*)malloc(sizeof(Semaphore));
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sem_init(&s->semaphore, 0, initCount);
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return s;
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}
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void archSemaphoreDestroy(void* semaphore)
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{
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Semaphore* s = (Semaphore*)semaphore;
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sem_destroy(&s->semaphore);
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free(s);
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}
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void archSemaphoreSignal(void* semaphore)
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{
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Semaphore* s = (Semaphore*)semaphore;
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sem_post(&s->semaphore);
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}
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void archSemaphoreWait(void* semaphore, int timeout)
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{
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Semaphore* s = (Semaphore*)semaphore;
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while (-1 == sem_wait(&s->semaphore));
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}
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#endif
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