diff options
Diffstat (limited to 'bits/signum.h')
| -rw-r--r-- | bits/signum.h | 69 |
1 files changed, 41 insertions, 28 deletions
diff --git a/bits/signum.h b/bits/signum.h index 48bb7b8..0a0acb2 100644 --- a/bits/signum.h +++ b/bits/signum.h @@ -1,4 +1,5 @@ -/* Copyright (C) 1991, 1993, 1996, 1998 Free Software Foundation, Inc. +/* Signal number constants. Generic version. + Copyright (C) 1991-2012 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 @@ -27,37 +28,49 @@ # define SIG_HOLD ((__sighandler_t) 2) /* Add signal to hold mask. */ #endif -/* Signals in the 1-15 range are defined with their historical numbers. - Signals in the 20-25 range are relatively new and have no ingrained - numbers. */ +/* We define here all the signal names listed in POSIX (1003.1-2008). + Signals in the 1-15 range are defined with their historical numbers. + For other signals specified by POSIX, we use the BSD numbers. */ -/* ANSI signals. */ -#define SIGINT 2 /* Interactive attention signal. */ -#define SIGILL 4 /* Illegal instruction. */ -#define SIGABRT 6 /* Abnormal termination. */ -#define SIGFPE 8 /* Erroneous arithmetic operation. */ -#define SIGSEGV 11 /* Invalid access to storage. */ -#define SIGTERM 15 /* Termination request. */ +/* ISO C99 signals. */ +#define SIGINT 2 /* Interactive attention signal. */ +#define SIGILL 4 /* Illegal instruction. */ +#define SIGABRT 6 /* Abnormal termination. */ +#define SIGFPE 8 /* Erroneous arithmetic operation. */ +#define SIGSEGV 11 /* Invalid access to storage. */ +#define SIGTERM 15 /* Termination request. */ /* Historical signals specified by POSIX. */ -#define SIGHUP 1 /* Hangup. */ -#define SIGQUIT 3 /* Quit. */ -#define SIGKILL 9 /* Kill (cannot be blocked, caught, or ignored). */ -#define SIGPIPE 13 /* Broken pipe. */ -#define SIGALRM 14 /* Alarm clock. */ - -/* New(er) POSIX signals. */ -#define SIGSTOP 20 /* Stop (cannot be blocked, caught, or ignored). */ -#define SIGCONT 21 /* Continue. */ -#define SIGTSTP 22 /* Keyboard stop. */ -#define SIGTTIN 23 /* Background read from control terminal. */ -#define SIGTTOU 24 /* Background write to control terminal. */ -#define SIGCHLD 25 /* Child terminated or stopped. */ - -#define _NSIG 26 +#define SIGHUP 1 /* Hangup. */ +#define SIGQUIT 3 /* Quit. */ +#define SIGTRAP 5 /* Trace/breakpoint trap. */ +#define SIGKILL 9 /* Killed. */ +#define SIGBUS 10 /* Bus error. */ +#define SIGSYS 12 /* Bad system call. */ +#define SIGPIPE 13 /* Broken pipe. */ +#define SIGALRM 14 /* Alarm clock. */ + +/* New(er) POSIX signals (1003.1-2008). */ +#define SIGURG 16 /* High bandwidth data is available at a socket. */ +#define SIGSTOP 17 /* Stopped (signal). */ +#define SIGTSTP 18 /* Stopped. */ +#define SIGCONT 19 /* Continued. */ +#define SIGCHLD 20 /* Child terminated or stopped. */ +#define SIGTTIN 21 /* Background read from control terminal. */ +#define SIGTTOU 22 /* Background write to control terminal. */ +#define SIGPOLL 23 /* Pollable event occurred (System V). */ +#define SIGIO SIGPOLL /* I/O now possible (4.2 BSD). */ +#define SIGXCPU 24 /* CPU time limit exceeded. */ +#define SIGXFSZ 25 /* File size limit exceeded. */ +#define SIGVTALRM 26 /* Virtual timer expired. */ +#define SIGPROF 27 /* Profiling timer expired. */ +#define SIGUSR1 30 /* User-defined signal 1. */ +#define SIGUSR2 31 /* User-defined signal 2. */ + +#define _NSIG 32 /* Archaic names for compatibility. */ -#define SIGIOT SIGABRT /* IOT instruction, abort() on a PDP11 */ -#define SIGCLD SIGCHLD /* Old System V name */ +#define SIGIOT SIGABRT /* IOT instruction, abort() on a PDP11 */ +#define SIGCLD SIGCHLD /* Old System V name */ #endif /* <signal.h> included. */ |