1 /* Signal number constants. Specific architecture definitions. 2 Copyright (C) 2020-2021 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 60