signum.h

Glibc 2.3.2源代码(解压后有100多M)

/* Signal number definitions.  System V version.
   Copyright (C) 1991, 1992, 1993, 1996 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C 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.

   The GNU C 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 the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#ifdef	_SIGNAL_H

/* This file defines the fake signal functions and signal
   number constants for System V release 3.  */

/* Fake signal functions.  */
#define	SIG_ERR	((__sighandler_t) -1) /* Error return.  */
#define	SIG_DFL	((__sighandler_t) 0) /* Default action.  */
#define	SIG_IGN	((__sighandler_t) 1) /* Ignore signal.  */


/* Signals.  */
#define	SIGHUP		1	/* Hangup (POSIX).  */
#define	SIGINT		2	/* Interrupt (ANSI).  */
#define	SIGQUIT		3	/* Quit (POSIX).  */
#define	SIGILL		4	/* Illegal instruction (ANSI).  */
#define	SIGABRT		SIGIOT	/* Abort (ANSI).  */
#define	SIGTRAP		5	/* Trace trap (POSIX).  */
#define	SIGIOT		6	/* IOT trap (4.2 BSD).  */
#define	SIGEMT		7	/* EMT trap (4.2 BSD).  */
#define	SIGFPE		8	/* Floating-point exception (ANSI).  */
#define	SIGKILL		9	/* Kill, unblockable (POSIX).  */
#define	SIGBUS		10	/* Bus error (4.2 BSD).  */
#define	SIGSEGV		11	/* Segmentation violation (ANSI).  */
#define	SIGSYS		12	/* Bad argument to system call (4.2 BSD)*/
#define	SIGPIPE		13	/* Broken pipe (POSIX).  */
#define	SIGALRM		14	/* Alarm clock (POSIX).  */
#define	SIGTERM		15	/* Termination (ANSI).  */
#define	SIGUSR1		16	/* User-defined signal 1 (POSIX).  */
#define SIGUSR2		17	/* User-defined signal 2 (POSIX).  */
#define SIGCHLD		18	/* Child status has changed (POSIX).  */
#define SIGCLD		SIGCHLD	/* Same as SIGCHLD (System V).  */
#define	SIGPWR		19	/* Power failure restart (System V).  */

#endif	/* <signal.h> included.  */

#define	_NSIG		20	/* Biggest signal number + 1.  */