xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.trace/signal.c (revision 6881a4007f077b54e5f51159c52b9b25f57deb0d)
1 /* This testcase is part of GDB, the GNU debugger.
2 
3    Copyright 2016-2023 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 <http://www.gnu.org/licenses/>.  */
17 
18 #include <signal.h>
19 #include <string.h>
20 #include <unistd.h>
21 
22 static int counter = 0;
23 
24 static void
25 handler (int sig)
26 {
27   counter++;
28 }
29 
30 static int iterations = 3;
31 
32 static void
33 start (int pid)
34 {
35   int i;
36 
37   for (i = 0; i < iterations; i++)
38     {
39       kill (pid, SIGABRT);
40     }
41 }
42 
43 static void
44 end (void)
45 {}
46 
47 int
48 main (void)
49 {
50   struct sigaction act;
51   int i;
52 
53   memset (&act, 0, sizeof act);
54   act.sa_handler = handler;
55   act.sa_flags = SA_NODEFER;
56   sigaction (SIGABRT, &act, NULL);
57 
58   for (i = 0; i < 3; i++)
59     {
60       kill (getpid (), SIGABRT);
61     }
62 
63   counter = 0;
64   start (getpid ());
65 
66   end ();
67   return 0;
68 }
69