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分类: LINUX

2008-10-30 16:50:26

/* Signal number definitions.  Linux version.
   Copyright (C) 1995,1996,1997,1998,1999,2003 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
/* 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.  */
#ifdef __USE_UNIX98
# define SIG_HOLD ((__sighandler_t) 2) /* Add signal to hold mask.  */
#endif

/* Signals.  */
#define SIGHUP  1 /* Hangup (POSIX).  */
#define SIGINT  2 /* Interrupt (ANSI).  */
#define SIGQUIT  3 /* Quit (POSIX).  */
#define SIGILL  4 /* Illegal instruction (ANSI).  */
#define SIGTRAP  5 /* Trace trap (POSIX).  */
#define SIGABRT  6 /* Abort (ANSI).  */
#define SIGIOT  6 /* IOT trap (4.2 BSD).  */
#define SIGBUS  7 /* BUS error (4.2 BSD).  */
#define SIGFPE  8 /* Floating-point exception (ANSI).  */
#define SIGKILL  9 /* Kill, unblockable (POSIX).  */
#define SIGUSR1  10 /* User-defined signal 1 (POSIX).  */
#define SIGSEGV  11 /* Segmentation violation (ANSI).  */
#define SIGUSR2  12 /* User-defined signal 2 (POSIX).  */
#define SIGPIPE  13 /* Broken pipe (POSIX).  */
#define SIGALRM  14 /* Alarm clock (POSIX).  */
#define SIGTERM  15 /* Termination (ANSI).  */
#define SIGSTKFLT 16 /* Stack fault.  */
#define SIGCLD  SIGCHLD /* Same as SIGCHLD (System V).  */
#define SIGCHLD  17 /* Child status has changed (POSIX).  */
#define SIGCONT  18 /* Continue (POSIX).  */
#define SIGSTOP  19 /* Stop, unblockable (POSIX).  */
#define SIGTSTP  20 /* Keyboard stop (POSIX).  */
#define SIGTTIN  21 /* Background read from tty (POSIX).  */
#define SIGTTOU  22 /* Background write to tty (POSIX).  */
#define SIGURG  23 /* Urgent condition on socket (4.2 BSD).  */
#define SIGXCPU  24 /* CPU limit exceeded (4.2 BSD).  */
#define SIGXFSZ  25 /* File size limit exceeded (4.2 BSD).  */
#define SIGVTALRM 26 /* Virtual alarm clock (4.2 BSD).  */
#define SIGPROF  27 /* Profiling alarm clock (4.2 BSD).  */
#define SIGWINCH 28 /* Window size change (4.3 BSD, Sun).  */
#define SIGPOLL  SIGIO /* Pollable event occurred (System V).  */
#define SIGIO  29 /* I/O now possible (4.2 BSD).  */
#define SIGPWR  30 /* Power failure restart (System V).  */
#define SIGSYS  31 /* Bad system call.  */
#define SIGUNUSED 31
#define _NSIG  65 /* Biggest signal number + 1
       (including real-time signals).  */
#define SIGRTMIN        (__libc_current_sigrtmin ())
#define SIGRTMAX        (__libc_current_sigrtmax ())
/* These are the hard limits of the kernel.  These values should not be
   used directly at user level.  */
#define __SIGRTMIN 32
#define __SIGRTMAX (_NSIG - 1)
#endif /* included.  */
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