1/* This testcase is part of GDB, the GNU debugger.
2
3   Copyright 2008, 2010, 2011 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 <stdio.h>
22#include <signal.h>
23#include <unistd.h>
24
25void
26handle_signal (int sig)
27{
28}
29
30void
31gen_signal ()
32{
33  /* According to sigall.exp, SIGABRT is always supported.  */
34#ifdef SIGABRT
35  kill (getpid (), SIGABRT);
36#endif
37  /* If we get here we couldn't generate a signal, tell dejagnu.  */
38  printf ("no signal\n");
39}
40
41/* Easy place to set a breakpoint.  */
42
43void
44stop_one ()
45{
46}
47
48void
49stop_two ()
50{
51}
52
53void
54null_hand_call ()
55{
56}
57
58int
59main ()
60{
61#ifdef usestubs
62  set_debug_traps ();
63  breakpoint ();
64#endif
65
66#ifdef SIG_SETMASK
67  /* Ensure all the signals aren't blocked.
68     The environment in which the testsuite is run may have blocked some
69     for whatever reason.  */
70  {
71    sigset_t newset;
72    sigemptyset (&newset);
73    sigprocmask (SIG_SETMASK, &newset, NULL);
74  }
75#endif
76
77  signal (SIGABRT, handle_signal);
78
79  /* Stop here so we can hand-call gen_signal.  */
80  stop_one ();
81
82  /* When we're resumed stop here.  */
83  stop_two ();
84
85  /* When we're resumed we generate a signal ourselves.  */
86  gen_signal ();
87
88  return 0;
89}
90