xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.base/call-signals.c (revision bdc22b2e01993381dcefeff2bc9b56ca75a4235c)
1 /* This testcase is part of GDB, the GNU debugger.
2 
3    Copyright 2008-2016 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 }
80