gdb/testsuite/gdb.base/call-signals.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2008-2019 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 handling of inferior function calls
  19    in the presence of signals.  */
  20
  21 #include <signal.h>
  22 #include <unistd.h>
  23
  24 void
  25 handle_signal (int sig)
  26 {
  27 }
  28
  29 void
  30 gen_signal ()
  31 {
  32   /* According to sigall.exp, SIGABRT is always supported.  */
  33   kill (getpid (), SIGABRT);
  34 }
  35
  36 /* Easy place to set a breakpoint.  */
  37
  38 void
  39 stop_one ()
  40 {
  41 }
  42
  43 void
  44 stop_two ()
  45 {
  46 }
  47
  48 void
  49 null_hand_call ()
  50 {
  51 }
  52
  53 int
  54 main ()
  55 {
  56 #ifdef SIG_SETMASK
  57   /* Ensure all the signals aren't blocked.
  58      The environment in which the testsuite is run may have blocked some
  59      for whatever reason.  */
  60   {
  61     sigset_t newset;
  62     sigemptyset (&newset);
  63     sigprocmask (SIG_SETMASK, &newset, NULL);
  64   }
  65 #endif
  66
  67   signal (SIGABRT, handle_signal);
  68
  69   /* Stop here so we can hand-call gen_signal.  */
  70   stop_one ();
  71
  72   /* When we're resumed stop here.  */
  73   stop_two ();
  74
  75   /* When we're resumed we generate a signal ourselves.  */
  76   gen_signal ();
  77
  78   return 0;
  79 }