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The C and C++ Include Header Files

/usr/include/x86_64-linux-gnu/bits/signum-arch.h


$ cat -n /usr/include/x86_64-linux-gnu/bits/signum-arch.h

     1	/* Signal number definitions.  Linux version.
     2	   Copyright (C) 1995-2024 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-arch.h> directly; use <signal.h> instead."
    24	#endif
    25	
    26	/* Adjustments and additions to the signal number constants for
    27	   most Linux systems.  */
    28	
    29	#define SIGSTKFLT	16	/* Stack fault (obsolete).  */
    30	#define SIGPWR		30	/* Power failure imminent.  */
    31	
    32	/* Historical signals specified by POSIX. */
    33	#define SIGBUS		 7	/* Bus error.  */
    34	#define SIGSYS		31	/* Bad system call.  */
    35	
    36	/* New(er) POSIX signals (1003.1-2008, 1003.1-2013).  */
    37	#define SIGURG		23	/* Urgent data is available at a socket.  */
    38	#define SIGSTOP		19	/* Stop, unblockable.  */
    39	#define SIGTSTP		20	/* Keyboard stop.  */
    40	#define SIGCONT		18	/* Continue.  */
    41	#define SIGCHLD		17	/* Child terminated or stopped.  */
    42	#define SIGTTIN		21	/* Background read from control terminal.  */
    43	#define SIGTTOU		22	/* Background write to control terminal.  */
    44	#define SIGPOLL		29	/* Pollable event occurred (System V).  */
    45	#define SIGXFSZ		25	/* File size limit exceeded.  */
    46	#define SIGXCPU		24	/* CPU time limit exceeded.  */
    47	#define SIGVTALRM	26	/* Virtual timer expired.  */
    48	#define SIGPROF		27	/* Profiling timer expired.  */
    49	#define SIGUSR1		10	/* User-defined signal 1.  */
    50	#define SIGUSR2		12	/* User-defined signal 2.  */
    51	
    52	/* Nonstandard signals found in all modern POSIX systems
    53	   (including both BSD and Linux).  */
    54	#define SIGWINCH	28	/* Window size change (4.3 BSD, Sun).  */
    55	
    56	/* Archaic names for compatibility.  */
    57	#define SIGIO		SIGPOLL	/* I/O now possible (4.2 BSD).  */
    58	#define SIGIOT		SIGABRT	/* IOT instruction, abort() on a PDP-11.  */
    59	#define SIGCLD		SIGCHLD	/* Old System V name */
    60	
    61	#define __SIGRTMIN	32
    62	#define __SIGRTMAX	64
    63	
    64	#endif	/* <signal.h> included.  */