/* Signal number definitions. Linux version. Copyright (C) 1995-2023 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, see . */ #ifndef _BITS_SIGNUM_ARCH_H #define _BITS_SIGNUM_ARCH_H 1 #ifndef _SIGNAL_H #error "Never include directly; use instead." #endif /* Adjustments and additions to the signal number constants for most Linux systems. */ #define SIGSTKFLT 16 /* Stack fault (obsolete). */ #define SIGPWR 30 /* Power failure imminent. */ /* Historical signals specified by POSIX. */ #define SIGBUS 7 /* Bus error. */ #define SIGSYS 31 /* Bad system call. */ /* New(er) POSIX signals (1003.1-2008, 1003.1-2013). */ #define SIGURG 23 /* Urgent data is available at a socket. */ #define SIGSTOP 19 /* Stop, unblockable. */ #define SIGTSTP 20 /* Keyboard stop. */ #define SIGCONT 18 /* Continue. */ #define SIGCHLD 17 /* Child terminated or stopped. */ #define SIGTTIN 21 /* Background read from control terminal. */ #define SIGTTOU 22 /* Background write to control terminal. */ #define SIGPOLL 29 /* Pollable event occurred (System V). */ #define SIGXFSZ 25 /* File size limit exceeded. */ #define SIGXCPU 24 /* CPU time limit exceeded. */ #define SIGVTALRM 26 /* Virtual timer expired. */ #define SIGPROF 27 /* Profiling timer expired. */ #define SIGUSR1 10 /* User-defined signal 1. */ #define SIGUSR2 12 /* User-defined signal 2. */ /* Nonstandard signals found in all modern POSIX systems (including both BSD and Linux). */ #define SIGWINCH 28 /* Window size change (4.3 BSD, Sun). */ /* Archaic names for compatibility. */ #define SIGIO SIGPOLL /* I/O now possible (4.2 BSD). */ #define SIGIOT SIGABRT /* IOT instruction, abort() on a PDP-11. */ #define SIGCLD SIGCHLD /* Old System V name */ #define __SIGRTMIN 32 #define __SIGRTMAX 64 #endif /* included. */