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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library 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; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <stdlib.h>
#include "alMain.h"
#include "alThunk.h"
#define THREAD_STACK_SIZE (1*1024*1024) /* 1MB */
#ifdef _WIN32
typedef struct {
ALuint (*func)(ALvoid*);
ALvoid *ptr;
HANDLE thread;
} ThreadInfo;
static DWORD CALLBACK StarterFunc(void *ptr)
{
ThreadInfo *inf = (ThreadInfo*)ptr;
ALint ret;
ret = inf->func(inf->ptr);
ExitThread((DWORD)ret);
return (DWORD)ret;
}
ALvoid *StartThread(ALuint (*func)(ALvoid*), ALvoid *ptr)
{
DWORD dummy;
ThreadInfo *inf = malloc(sizeof(ThreadInfo));
if(!inf) return 0;
inf->func = func;
inf->ptr = ptr;
inf->thread = CreateThread(NULL, THREAD_STACK_SIZE, StarterFunc, inf, 0, &dummy);
if(!inf->thread)
{
free(inf);
return NULL;
}
return inf;
}
ALuint StopThread(ALvoid *thread)
{
ThreadInfo *inf = thread;
DWORD ret = 0;
WaitForSingleObject(inf->thread, INFINITE);
GetExitCodeThread(inf->thread, &ret);
CloseHandle(inf->thread);
free(inf);
return (ALuint)ret;
}
#else
#include <pthread.h>
typedef struct {
ALuint (*func)(ALvoid*);
ALvoid *ptr;
ALuint ret;
pthread_t thread;
} ThreadInfo;
static void *StarterFunc(void *ptr)
{
ThreadInfo *inf = (ThreadInfo*)ptr;
inf->ret = inf->func(inf->ptr);
return NULL;
}
ALvoid *StartThread(ALuint (*func)(ALvoid*), ALvoid *ptr)
{
pthread_attr_t attr;
ThreadInfo *inf = malloc(sizeof(ThreadInfo));
if(!inf) return NULL;
if(pthread_attr_init(&attr) != 0)
{
free(inf);
return NULL;
}
if(pthread_attr_setstacksize(&attr, THREAD_STACK_SIZE) != 0)
{
pthread_attr_destroy(&attr);
free(inf);
return NULL;
}
inf->func = func;
inf->ptr = ptr;
if(pthread_create(&inf->thread, &attr, StarterFunc, inf) != 0)
{
pthread_attr_destroy(&attr);
free(inf);
return NULL;
}
pthread_attr_destroy(&attr);
return inf;
}
ALuint StopThread(ALvoid *thread)
{
ThreadInfo *inf = thread;
ALuint ret;
pthread_join(inf->thread, NULL);
ret = inf->ret;
free(inf);
return ret;
}
#endif
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