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tdemultimedia/mpeglib/lib/util/abstract/abs_thread_sdl.cpp

90 lines
1.6 KiB

/*
abstraction for threads
Copyright (C) 2000 Martin Vogt
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation.
For more information look at the file COPYRIGHT in this package
*/
#include "abs_thread.h"
// START SDL
#ifdef SDL_WRAPPER
int abs_thread_cond_init(abs_thread_cond_t* cond) {
*cond=SDL_CreateCond();
return (*cond != NULL);
}
int abs_thread_cond_destroy(abs_thread_cond_t *cond) {
SDL_DestroyCond(*cond);
return true;
}
int abs_thread_cond_signal(abs_thread_cond_t* cond) {
return SDL_CondSignal(*cond);
}
int abs_thread_cond_wait(abs_thread_cond_t* cond,
abs_thread_mutex_t* mutex) {
SDL_CondWait(*cond,*mutex);
return true;
}
// CREATE / JOIN THREAD
int abs_thread_create(abs_thread_t* thread,
void * (*start_routine)(void *), void * arg) {
int (*func)(void *);
func=(int (*)(void *))start_routine;
*thread=SDL_CreateThread(func,arg);
return (*thread != NULL);
}
int abs_thread_join(abs_thread_t th,
void **thread_return) {
SDL_WaitThread(th,(int*)*thread_return);
return true;
}
// MUTEX FUNCTIONS
int abs_thread_mutex_lock(abs_thread_mutex_t *mutex) {
return SDL_LockMutex(*mutex);
}
int abs_thread_mutex_unlock(abs_thread_mutex_t *mutex) {
return SDL_UnlockMutex(*mutex);
}
int abs_thread_mutex_init(abs_thread_mutex_t *mutex) {
*mutex=SDL_CreateMutex();
return true;
}
int abs_thread_mutex_destroy(abs_thread_mutex_t *mutex) {
SDL_DestroyMutex(*mutex);
return true;
}
#endif