nuclear@0: /*
nuclear@0: Copyright 2004 John Tsiombikas <nuclear@siggraph.org>
nuclear@0: 
nuclear@0: This file is part of libgba, a library for GameBoy Advance development.
nuclear@0: 
nuclear@0: This program is free software; you can redistribute it and/or modify
nuclear@0: it under the terms of the GNU General Public License as published by
nuclear@0: the Free Software Foundation; either version 2 of the License, or
nuclear@0: (at your option) any later version.
nuclear@0: 
nuclear@0: This program is distributed in the hope that it will be useful,
nuclear@0: but WITHOUT ANY WARRANTY; without even the implied warranty of
nuclear@0: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nuclear@0: GNU General Public License for more details.
nuclear@0: 
nuclear@0: You should have received a copy of the GNU General Public License
nuclear@0: along with this program; if not, write to the Free Software
nuclear@0: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
nuclear@0: */
nuclear@0: 
nuclear@0: typedef void (*sighandler_t)(int);
nuclear@0: 
nuclear@0: #define SIG_ERR	((sighandler_t)-1)		/* Error return.  */
nuclear@0: #define SIG_DFL	((sighandler_t)0)		/* Default action.  */
nuclear@0: #define SIG_IGN	((sighandler_t)1)		/* Ignore signal.  */
nuclear@0: 
nuclear@0: /* Signals.  */
nuclear@0: #define	SIGHUP		1	/* Hangup (POSIX).  */
nuclear@0: #define	SIGINT		2	/* Interrupt (ANSI).  */
nuclear@0: #define	SIGQUIT		3	/* Quit (POSIX).  */
nuclear@0: #define	SIGILL		4	/* Illegal instruction (ANSI).  */
nuclear@0: #define	SIGTRAP		5	/* Trace trap (POSIX).  */
nuclear@0: #define	SIGABRT		6	/* Abort (ANSI).  */
nuclear@0: #define	SIGIOT		6	/* IOT trap (4.2 BSD).  */
nuclear@0: #define	SIGBUS		7	/* BUS error (4.2 BSD).  */
nuclear@0: #define	SIGFPE		8	/* Floating-point exception (ANSI).  */
nuclear@0: #define	SIGKILL		9	/* Kill, unblockable (POSIX).  */
nuclear@0: #define	SIGUSR1		10	/* User-defined signal 1 (POSIX).  */
nuclear@0: #define	SIGSEGV		11	/* Segmentation violation (ANSI).  */
nuclear@0: #define	SIGUSR2		12	/* User-defined signal 2 (POSIX).  */
nuclear@0: #define	SIGPIPE		13	/* Broken pipe (POSIX).  */
nuclear@0: #define	SIGALRM		14	/* Alarm clock (POSIX).  */
nuclear@0: #define	SIGTERM		15	/* Termination (ANSI).  */
nuclear@0: #define	SIGSTKFLT	16	/* Stack fault.  */
nuclear@0: #define	SIGCLD		SIGCHLD	/* Same as SIGCHLD (System V).  */
nuclear@0: #define	SIGCHLD		17	/* Child status has changed (POSIX).  */
nuclear@0: #define	SIGCONT		18	/* Continue (POSIX).  */
nuclear@0: #define	SIGSTOP		19	/* Stop, unblockable (POSIX).  */
nuclear@0: #define	SIGTSTP		20	/* Keyboard stop (POSIX).  */
nuclear@0: #define	SIGTTIN		21	/* Background read from tty (POSIX).  */
nuclear@0: #define	SIGTTOU		22	/* Background write to tty (POSIX).  */
nuclear@0: #define	SIGURG		23	/* Urgent condition on socket (4.2 BSD).  */
nuclear@0: #define	SIGXCPU		24	/* CPU limit exceeded (4.2 BSD).  */
nuclear@0: #define	SIGXFSZ		25	/* File size limit exceeded (4.2 BSD).  */
nuclear@0: #define	SIGVTALRM	26	/* Virtual alarm clock (4.2 BSD).  */
nuclear@0: #define	SIGPROF		27	/* Profiling alarm clock (4.2 BSD).  */
nuclear@0: #define	SIGWINCH	28	/* Window size change (4.3 BSD, Sun).  */
nuclear@0: #define	SIGPOLL		SIGIO	/* Pollable event occurred (System V).  */
nuclear@0: #define	SIGIO		29	/* I/O now possible (4.2 BSD).  */
nuclear@0: #define	SIGPWR		30	/* Power failure restart (System V).  */
nuclear@0: #define SIGSYS		31	/* Bad system call.  */
nuclear@0: #define SIGUNUSED	31
nuclear@0: 
nuclear@0: #define SIG_MAX		32
nuclear@0: 
nuclear@0: sighandler_t signal(int signum, sighandler_t handler);
nuclear@0: int raise(int signum);
nuclear@0: int pause(void);
nuclear@0: 
nuclear@0: void save_signal(int signum);
nuclear@0: void restore_signal(int signum);
nuclear@2: sighandler_t signal_func(int signum);