/* sys_linux_exit:
* The end of the world...
*/
static void sys_linux_exit (void)
{
/* shut down asynchronous event processing */
__al_linux_bgman_exit();
/* remove emergency exit signal handlers */
signal(SIGABRT, old_sig_abrt);
signal(SIGFPE, old_sig_fpe);
signal(SIGILL, old_sig_ill);
signal(SIGSEGV, old_sig_segv);
signal(SIGTERM, old_sig_term);
signal(SIGINT, old_sig_int);
#ifdef SIGQUIT
signal(SIGQUIT, old_sig_quit);
#endif
/* shut down VGA helpers */
#ifdef ALLEGRO_LINUX_VGA
if (__al_linux_have_ioperms)
__al_linux_shutdown_vga_helpers();
#endif
/* unload dynamic modules */
_unix_unload_modules();
/* free dynamic driver lists */
_unix_driver_lists_shutdown();
__al_linux_shutdown_memory();
#ifdef ALLEGRO_LINUX_VGA
iopl (0);
#endif
}
/* _xwin_sysdrv_exit:
* The end of the world...
*/
static void _xwin_sysdrv_exit(void)
{
/* This stops the X event handler running in the background, which
* seems a nice thing to do before closing the connection to the X
* display... (remove this and you get SIGABRTs during XCloseDisplay).
*/
_unix_bg_man->unregister_func(_xwin_bg_handler);
_xwin_close_display();
_unix_bg_man->exit();
_unix_unload_modules();
_unix_driver_lists_shutdown();
signal(SIGABRT, old_sig_abrt);
signal(SIGFPE, old_sig_fpe);
signal(SIGILL, old_sig_ill);
signal(SIGSEGV, old_sig_segv);
signal(SIGTERM, old_sig_term);
signal(SIGINT, old_sig_int);
#ifdef SIGQUIT
signal(SIGQUIT, old_sig_quit);
#endif
#ifdef ALLEGRO_MULTITHREADED
if (_xwin.mutex) {
_unix_destroy_mutex(_xwin.mutex);
_xwin.mutex = NULL;
}
#endif
}
