fc72c53758
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8546 a1c6a512-1295-4272-9138-f99709370657
78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2006 Dan Everton
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <time.h>
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#include <SDL.h>
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#include <SDL_thread.h>
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#include <stdlib.h>
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#include "thread-sdl.h"
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#include "kernel.h"
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#include "debug.h"
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SDL_Thread *threads[256];
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int threadCount = 0;
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long current_tick = 0;
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SDL_mutex *m;
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void yield(void)
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{
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SDL_mutexV(m);
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SDL_Delay(1);
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SDL_mutexP(m);
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}
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void sim_sleep(int ticks)
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{
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SDL_mutexV(m);
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SDL_Delay((1000/HZ) * ticks);
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SDL_mutexP(m);
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}
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int runthread(void *data)
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{
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SDL_mutexV(m);
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((void(*)())data) ();
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SDL_mutexV(m);
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return 0;
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}
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int create_thread(void (*fp)(void), void* sp, int stk_size)
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{
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/** Avoid compiler warnings */
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(void)sp;
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(void)stk_size;
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if (threadCount == 256) {
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return -1;
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}
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threads[threadCount++] = SDL_CreateThread(runthread, fp);
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return 0;
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}
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void init_threads(void)
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{
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m = SDL_CreateMutex();
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if (SDL_mutexP(m) == -1) {
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fprintf(stderr, "Couldn't lock mutex\n");
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exit(-1);
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}
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}
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