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124 lines
2.8 KiB
124 lines
2.8 KiB
/*
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abstraction for threads
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Copyright (C) 2000 Martin Vogt
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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 Library General Public License as published by
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the Free Software Foundation.
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For more information look at the file COPYRIGHT in this package
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*/
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#ifndef __ABS_THREAD_H
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#define __ABS_THREAD_H
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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/**
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This passed alle pthread_xxx calls to this interface, thus
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it can be easier replaced with other thread "layers"
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All posix pthread calls are conveterd to abs_thread.
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*/
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extern "C" {
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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}
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#define _ABS_BUSY EBUSY
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#ifndef SDL_WRAPPER
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// definitions for direct pthread support
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#include <pthread.h>
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typedef pthread_mutex_t abs_thread_mutex_t;
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typedef pthread_cond_t abs_thread_cond_t;
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typedef pthread_t abs_thread_t;
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#define abs_thread_cond_init(cond) pthread_cond_init(cond,NULL)
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#define abs_thread_cond_destroy(cond) pthread_cond_destroy(cond)
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#define abs_thread_cond_signal(cond) pthread_cond_signal(cond)
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#define abs_thread_cond_wait(cond,mutex) pthread_cond_wait(cond,mutex)
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// CREATE / JOIN THREAD
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#define abs_thread_create(thread,func,arg) pthread_create(thread,NULL,func,arg)
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#define abs_thread_join(th,thread_return) pthread_join(th,thread_return)
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// MUTEX FUNCTIONS
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#define abs_thread_mutex_lock(mutex) pthread_mutex_lock(mutex)
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#define abs_thread_mutex_unlock(mutex) pthread_mutex_unlock(mutex)
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#define abs_thread_mutex_init(mutex) pthread_mutex_init(mutex,NULL)
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#define abs_thread_mutex_destroy(mutex) pthread_mutex_destroy(mutex)
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#endif
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// not SDL_WRAPPER
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#ifdef SDL_WRAPPER
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// SDL SUPPORT DISABLED
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#if defined WIN32
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#include <SDL_thread.h>
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#include <SDL_mutex.h>
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#else
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#include <SDL/SDL_thread.h>
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#include <SDL/SDL_mutex.h>
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#endif
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typedef SDL_mutex* abs_thread_mutex_t;
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typedef SDL_cond* abs_thread_cond_t;
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typedef SDL_Thread* abs_thread_t;
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// SIGNAL FUNCTIONS
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// note we have _no_ cond attribut (not needed)
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int abs_thread_cond_init(abs_thread_cond_t* cond);
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int abs_thread_cond_destroy(abs_thread_cond_t *cond);
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int abs_thread_cond_signal(abs_thread_cond_t* cond);
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int abs_thread_cond_wait(abs_thread_cond_t* cond,
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abs_thread_mutex_t *mutex);
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// CREATE / JOIN THREAD
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// Note: we have thread attribute
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int abs_thread_create(abs_thread_t* thread,
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void * (*start_routine)(void *), void * arg);
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int abs_thread_join(abs_thread_t th,
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void **thread_return);
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// MUTEX FUNCTIONS
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int abs_thread_mutex_lock(abs_thread_mutex_t *mutex);
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int abs_thread_mutex_trylock(abs_thread_mutex_t *mutex);
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int abs_thread_mutex_unlock(abs_thread_mutex_t *mutex);
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// not attribute!
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int abs_thread_mutex_init(abs_thread_mutex_t *mutex);
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int abs_thread_mutex_destroy(abs_thread_mutex_t *mutex);
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#endif
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//SDL_WRAPPER
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#endif
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