Adjust kernel-features.h defaults for recvmsg and sendmsg
[glibc.git] / signal / tst-raise.c
blob889cc6288acd81aad85391fcd40b3b2ab3dd1b0c
1 /* Copyright (C) 2003-2016 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library 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 GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
19 #include <errno.h>
20 #include <error.h>
21 #include <signal.h>
22 #include <stdlib.h>
23 #include <stdio.h>
25 volatile int count;
27 void
28 sh (int sig)
30 ++count;
33 int
34 main (void)
36 struct sigaction sa;
37 sa.sa_handler = sh;
38 sigemptyset (&sa.sa_mask);
39 sa.sa_flags = 0;
40 if (sigaction (SIGUSR1, &sa, NULL) < 0)
42 printf ("sigaction failed: %m\n");
43 exit (1);
45 if (raise (SIGUSR1) < 0)
47 printf ("first raise failed: %m\n");
48 exit (1);
50 if (raise (SIGUSR1) < 0)
52 printf ("second raise failed: %m\n");
53 exit (1);
55 if (count != 2)
57 printf ("signal handler not called 2 times\n");
58 exit (1);
60 exit (0);