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
25 void
handle_signal(int sig)26 handle_signal (int sig)
27 {
28 }
29
30 void
gen_signal()31 gen_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
43 void
stop_one()44 stop_one ()
45 {
46 }
47
48 void
stop_two()49 stop_two ()
50 {
51 }
52
53 void
null_hand_call()54 null_hand_call ()
55 {
56 }
57
58 int
main()59 main ()
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