CWRU/misc/sigs.c

   1 /* sigs - print signal dispositions for a process */
   2
   3 /* Copyright (C) 1990-2010 Free Software Foundation, Inc.
   4
   5    This file is part of GNU Bash, the Bourne Again SHell.
   6
   7    Bash is free software: you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation, either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    Bash is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with Bash.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include <signal.h>
  22 #include <stdio.h>
  23
  24 extern const char       * const sys_siglist[];
  25
  26 typedef void    sighandler();
  27
  28 main(argc, argv)
  29 int     argc;
  30 char    **argv;
  31 {
  32         register int    i;
  33         sighandler      *h;
  34
  35         for (i = 1; i < NSIG; i++) {
  36                 h = signal(i, SIG_DFL);
  37                 if (h != SIG_DFL) {
  38                         if (h == SIG_IGN)
  39                                 fprintf(stderr, "%d: ignored (%s)\n", i, sys_siglist[i]);
  40                         else
  41                                 fprintf(stderr, "%d: caught (%s)\n", i, sys_siglist[i]);
  42                 }
  43         }
  44         exit(0);
  45 }
  46
  47