1  /* sig2str.h -- convert between signal names and numbers
       2  
       3     Copyright (C) 2002, 2005, 2009-2023 Free Software Foundation, Inc.
       4  
       5     This program is free software: you can redistribute it and/or modify
       6     it under the terms of the GNU General Public License as published by
       7     the Free Software Foundation, either version 3 of the License, or
       8     (at your option) any later version.
       9  
      10     This program 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
      13     GNU General Public License for more details.
      14  
      15     You should have received a copy of the GNU General Public License
      16     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      17  
      18  /* Written by Paul Eggert.  */
      19  
      20  #include <signal.h>
      21  
      22  /* Don't override system declarations of SIG2STR_MAX, sig2str, str2sig.  */
      23  #ifndef SIG2STR_MAX
      24  
      25  # include "intprops.h"
      26  
      27  /* Size of a buffer needed to hold a signal name like "HUP".  */
      28  # define SIG2STR_MAX (sizeof "SIGRTMAX" + INT_STRLEN_BOUND (int) - 1)
      29  
      30  #ifdef __cplusplus
      31  extern "C" {
      32  #endif
      33  
      34  int sig2str (int, char *);
      35  int str2sig (char const *, int *);
      36  
      37  #ifdef __cplusplus
      38  }
      39  #endif
      40  
      41  #endif
      42  
      43  /* An upper bound on signal numbers allowed by the system.  */
      44  
      45  #if defined _sys_nsig
      46  # define SIGNUM_BOUND (_sys_nsig - 1)
      47  #elif defined _SIG_MAXSIG
      48  # define SIGNUM_BOUND (_SIG_MAXSIG - 2) /* FreeBSD >= 7.  */
      49  #elif defined NSIG
      50  # define SIGNUM_BOUND (NSIG - 1)
      51  #else
      52  # define SIGNUM_BOUND 64
      53  #endif