gdb/testsuite/gdb.base/unwindonsignal.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2008, 2010 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 <http://www.gnu.org/licenses/>.  */
  17
  18 /* Support program for testing unwindonsignal.  */
  19
  20 #include <stdio.h>
  21 #include <signal.h>
  22 #include <unistd.h>
  23
  24 void
  25 gen_signal ()
  26 {
  27   /* According to sigall.exp, SIGABRT is always supported.  */
  28 #ifdef SIGABRT
  29   kill (getpid (), SIGABRT);
  30 #endif
  31   /* If we get here we couldn't generate a signal, tell dejagnu.  */
  32   printf ("no signal\n");
  33 }
  34
  35 /* Easy place to set a breakpoint.  */
  36
  37 void
  38 stop_here ()
  39 {
  40 }
  41
  42 int
  43 main ()
  44 {
  45 #ifdef usestubs
  46   set_debug_traps ();
  47   breakpoint ();
  48 #endif
  49
  50 #ifdef SIG_SETMASK
  51   /* Ensure all the signals aren't blocked.
  52      The environment in which the testsuite is run may have blocked some
  53      for whatever reason.  */
  54   {
  55     sigset_t newset;
  56     sigemptyset (&newset);
  57     sigprocmask (SIG_SETMASK, &newset, NULL);
  58   }
  59 #endif
  60
  61   /* Stop here so we can hand-call gen_signal.  */
  62   stop_here ();
  63
  64   return 0;
  65 }