gdb/testsuite/gdb.base/siginfo-infcall.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2010-2019 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 #include <signal.h>
  19 #include <assert.h>
  20 #include <string.h>
  21 #include <unistd.h>
  22
  23 #ifndef SA_SIGINFO
  24 # error "SA_SIGINFO is required for this test"
  25 #endif
  26
  27 static int
  28 callme (void)
  29 {
  30   return 42;
  31 }
  32
  33 static int
  34 pass (void)
  35 {
  36   return 1;
  37 }
  38
  39 static int
  40 fail (void)
  41 {
  42   return 1;
  43 }
  44
  45 static void
  46 handler (int sig, siginfo_t *siginfo, void *context)
  47 {
  48   assert (sig == SIGUSR1);
  49   assert (siginfo->si_signo == SIGUSR1);
  50   if (siginfo->si_pid == getpid ())
  51     pass ();
  52   else
  53     fail ();
  54 }
  55
  56 int
  57 main (void)
  58 {
  59   struct sigaction sa;
  60   int i;
  61
  62   callme ();
  63
  64   memset (&sa, 0, sizeof (sa));
  65   sa.sa_sigaction = handler;
  66   sa.sa_flags = SA_SIGINFO;
  67
  68   i = sigemptyset (&sa.sa_mask);
  69   assert (i == 0);
  70
  71   i = sigaction (SIGUSR1, &sa, NULL);
  72   assert (i == 0);
  73
  74   i = raise (SIGUSR1);
  75   assert (i == 0);
  76
  77   sleep (600);
  78   return 0;
  79 }