bits/signum-arch.h

   1 /* Signal number constants.  Specific architecture definitions.
   2    Copyright (C) 2020-2024 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, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _BITS_SIGNUM_ARCH_H
  20 #define _BITS_SIGNUM_ARCH_H 1
  21
  22 #ifndef _SIGNAL_H
  23 #error "Never include <bits/signum-generic.h> directly; use <signal.h> instead."
  24 #endif
  25
  26 /* Historical signals specified by POSIX. */
  27 #define SIGBUS          10      /* Bus error.  */
  28 #define SIGSYS          12      /* Bad system call.  */
  29
  30 /* New(er) POSIX signals (1003.1-2008, 1003.1-2013).  */
  31 #define SIGURG          16      /* Urgent data is available at a socket.  */
  32 #define SIGSTOP         17      /* Stop, unblockable.  */
  33 #define SIGTSTP         18      /* Keyboard stop.  */
  34 #define SIGCONT         19      /* Continue.  */
  35 #define SIGCHLD         20      /* Child terminated or stopped.  */
  36 #define SIGTTIN         21      /* Background read from control terminal.  */
  37 #define SIGTTOU         22      /* Background write to control terminal.  */
  38 #define SIGPOLL         23      /* Pollable event occurred (System V).  */
  39 #define SIGXCPU         24      /* CPU time limit exceeded.  */
  40 #define SIGVTALRM       26      /* Virtual timer expired.  */
  41 #define SIGPROF         27      /* Profiling timer expired.  */
  42 #define SIGXFSZ         25      /* File size limit exceeded.  */
  43 #define SIGUSR1         30      /* User-defined signal 1.  */
  44 #define SIGUSR2         31      /* User-defined signal 2.  */
  45
  46 /* Nonstandard signals found in all modern POSIX systems
  47    (including both BSD and Linux).  */
  48 #define SIGWINCH        28      /* Window size change (4.3 BSD, Sun).  */
  49
  50 /* Archaic names for compatibility.  */
  51 #define SIGIO           SIGPOLL /* I/O now possible (4.2 BSD).  */
  52 #define SIGIOT          SIGABRT /* IOT instruction, abort() on a PDP-11.  */
  53 #define SIGCLD          SIGCHLD /* Old System V name */
  54
  55 /* By default no real-time signals are supported.  */
  56 #define __SIGRTMIN      32
  57 #define __SIGRTMAX      __SIGRTMIN
  58
  59 #endif