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/***************************************************************************
*             __________               __   ___.
*   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
*   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
*   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
*   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
*                     \/            \/     \/    \/            \/
* $Id$
*
* Copyright (C) 2009 by Maurus Cuelenaere
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/

#include "plugin.h"
/*
#include "lib/pluginlib_exit.h"
*/

#if (CONFIG_PLATFORM & PLATFORM_NATIVE)
#include "../codecs/lib/setjmp.h"
#else
#include <setjmp.h>
#endif
PLUGIN_HEADER

extern enum plugin_status plugin_start(const void*);

static void (*atexit_func)(void);
static jmp_buf __exit_env;

int atexit(void (*fn)(void))
{
    if (atexit_func)
        return -1;
    atexit_func = fn;
    return 0;
}

void exit(int status)
{
    longjmp(__exit_env, status != 0 ? 2 : 1);
}

enum plugin_status plugin__start(const void *param)
{
    enum plugin_status ret;

    ret = setjmp(__exit_env);
    if (ret == 0)
        ret = plugin_start(param);
    else
    {
        if (ret == 1) ret = PLUGIN_OK;
        else if (ret == 2) ret = PLUGIN_ERROR;
    }

    if (atexit_func)
        atexit_func();

    return ret;
}