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      1 /* Signal number definitions.  Linux version.
      2    Copyright (C) 1995,1996,1997,1998,1999,2003 Free Software Foundation, Inc.
      3    This file is part of the GNU C Library.
      4 
      5    The GNU C Library is free software; you can redistribute it and/or
      6    modify it under the terms of the GNU Lesser General Public
      7    License as published by the Free Software Foundation; either
      8    version 2.1 of the License, or (at your option) any later version.
      9 
     10    The GNU C Library is distributed in the hope that it will be useful,
     11    but WITHOUT ANY WARRANTY; without even the implied warranty of
     12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13    Lesser General Public License for more details.
     14 
     15    You should have received a copy of the GNU Lesser General Public
     16    License along with the GNU C Library; if not, write to the Free
     17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
     18    02111-1307 USA.  */
     19 
     20 #ifdef	_SIGNAL_H
     21 
     22 /* Fake signal functions.  */
     23 #define SIG_ERR	((__sighandler_t) -1)		/* Error return.  */
     24 #define SIG_DFL	((__sighandler_t) 0)		/* Default action.  */
     25 #define SIG_IGN	((__sighandler_t) 1)		/* Ignore signal.  */
     26 
     27 #ifdef __USE_UNIX98
     28 # define SIG_HOLD	((__sighandler_t) 2)	/* Add signal to hold mask.  */
     29 #endif
     30 
     31 
     32 /* Signals.  */
     33 #define	SIGHUP		1	/* Hangup (POSIX).  */
     34 #define	SIGINT		2	/* Interrupt (ANSI).  */
     35 #define	SIGQUIT		3	/* Quit (POSIX).  */
     36 #define	SIGILL		4	/* Illegal instruction (ANSI).  */
     37 #define	SIGTRAP		5	/* Trace trap (POSIX).  */
     38 #define	SIGABRT		6	/* Abort (ANSI).  */
     39 #define	SIGIOT		6	/* IOT trap (4.2 BSD).  */
     40 #define	SIGBUS		7	/* BUS error (4.2 BSD).  */
     41 #define	SIGFPE		8	/* Floating-point exception (ANSI).  */
     42 #define	SIGKILL		9	/* Kill, unblockable (POSIX).  */
     43 #define	SIGUSR1		10	/* User-defined signal 1 (POSIX).  */
     44 #define	SIGSEGV		11	/* Segmentation violation (ANSI).  */
     45 #define	SIGUSR2		12	/* User-defined signal 2 (POSIX).  */
     46 #define	SIGPIPE		13	/* Broken pipe (POSIX).  */
     47 #define	SIGALRM		14	/* Alarm clock (POSIX).  */
     48 #define	SIGTERM		15	/* Termination (ANSI).  */
     49 #define	SIGSTKFLT	16	/* Stack fault.  */
     50 #define	SIGCLD		SIGCHLD	/* Same as SIGCHLD (System V).  */
     51 #define	SIGCHLD		17	/* Child status has changed (POSIX).  */
     52 #define	SIGCONT		18	/* Continue (POSIX).  */
     53 #define	SIGSTOP		19	/* Stop, unblockable (POSIX).  */
     54 #define	SIGTSTP		20	/* Keyboard stop (POSIX).  */
     55 #define	SIGTTIN		21	/* Background read from tty (POSIX).  */
     56 #define	SIGTTOU		22	/* Background write to tty (POSIX).  */
     57 #define	SIGURG		23	/* Urgent condition on socket (4.2 BSD).  */
     58 #define	SIGXCPU		24	/* CPU limit exceeded (4.2 BSD).  */
     59 #define	SIGXFSZ		25	/* File size limit exceeded (4.2 BSD).  */
     60 #define	SIGVTALRM	26	/* Virtual alarm clock (4.2 BSD).  */
     61 #define	SIGPROF		27	/* Profiling alarm clock (4.2 BSD).  */
     62 #define	SIGWINCH	28	/* Window size change (4.3 BSD, Sun).  */
     63 #define	SIGPOLL		SIGIO	/* Pollable event occurred (System V).  */
     64 #define	SIGIO		29	/* I/O now possible (4.2 BSD).  */
     65 #define	SIGPWR		30	/* Power failure restart (System V).  */
     66 #define SIGSYS		31	/* Bad system call.  */
     67 #define SIGUNUSED	31
     68 
     69 #define	_NSIG		65	/* Biggest signal number + 1
     70 				   (including real-time signals).  */
     71 
     72 #define SIGRTMIN        (__libc_current_sigrtmin ())
     73 #define SIGRTMAX        (__libc_current_sigrtmax ())
     74 
     75 /* These are the hard limits of the kernel.  These values should not be
     76    used directly at user level.  */
     77 #define __SIGRTMIN	32
     78 #define __SIGRTMAX	(_NSIG - 1)
     79 
     80 #endif	/* <signal.h> included.  */
     81