/*    SDL - Simple DirectMedia Layer    Copyright (C) 1997-2006 Sam Lantinga    This library is free software; you can redistribute it and/or    modify it under the terms of the GNU Lesser General Public    License as published by the Free Software Foundation; either    version 2.1 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    Lesser General Public License for more details.    You should have received a copy of the GNU Lesser General Public    License along with this library; if not, write to the Free Software    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA    Sam Lantinga    slouken@libsdl.org*/#include "SDL_config.h"#include <signal.h>#include <be/kernel/OS.h>typedef thread_id SYS_ThreadHandle;/* Functions needed to work with system threads in other portions of SDL */extern void SDL_MaskSignals(sigset_t *omask);extern void SDL_UnmaskSignals(sigset_t *omask);