1  /* Signal number definitions.  Linux/Alpha version.
       2     Copyright (C) 1996-2023 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     Linux/Alpha.  Signal values on this platform were chosen for OSF/1
      28     binary compatibility, and are therefore almost identical to the
      29     BSD-derived defaults.  */
      30  
      31  #define SIGEMT		 7	/* Emulator trap (4.2 BSD).  */
      32  #define SIGINFO		29	/* Information request (BSD).  */
      33  #define SIGPWR		SIGINFO	/* Power failure imminent (System V).  */
      34  
      35  /* Historical signals specified by POSIX. */
      36  #define SIGBUS		10	/* Bus error.  */
      37  #define SIGSYS		12	/* Bad system call.  */
      38  
      39  /* New(er) POSIX signals (1003.1-2008, 1003.1-2013).  */
      40  #define SIGURG		16	/* Urgent data is available at a socket.  */
      41  #define SIGSTOP		17	/* Stop, unblockable.  */
      42  #define SIGTSTP		18	/* Keyboard stop.  */
      43  #define SIGCONT		19	/* Continue.  */
      44  #define SIGCHLD		20	/* Child terminated or stopped.  */
      45  #define SIGTTIN		21	/* Background read from control terminal.  */
      46  #define SIGTTOU		22	/* Background write to control terminal.  */
      47  #define SIGPOLL		23	/* Pollable event occurred (System V).  */
      48  #define SIGXCPU		24	/* CPU time limit exceeded.  */
      49  #define SIGVTALRM	26	/* Virtual timer expired.  */
      50  #define SIGPROF		27	/* Profiling timer expired.  */
      51  #define SIGXFSZ		25	/* File size limit exceeded.  */
      52  #define SIGUSR1		30	/* User-defined signal 1.  */
      53  #define SIGUSR2		31	/* User-defined signal 2.  */
      54  
      55  /* Nonstandard signals found in all modern POSIX systems
      56     (including both BSD and Linux).  */
      57  #define SIGWINCH	28
      58  
      59  /* Archaic names for compatibility.  */
      60  #define SIGIO		SIGPOLL	/* I/O now possible (4.2 BSD).  */
      61  #define SIGIOT		SIGABRT	/* IOT instruction, abort() on a PDP-11.  */
      62  #define SIGCLD		SIGCHLD /* Old System V name */
      63  
      64  #define __SIGRTMIN	32
      65  #define __SIGRTMAX	64
      66  
      67  #endif	/* <signal.h> included.  */