Set errno for ±Inf.
[glibc/history.git] / nptl / tst-spin3.c
blob44377403272cd512c9e2f55abbacc7afe83e89e1
1 /* Copyright (C) 2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <pthread.h>
21 #include <signal.h>
22 #include <stdio.h>
23 #include <unistd.h>
26 static int
27 do_test (void)
29 pthread_spinlock_t s;
31 if (pthread_spin_init (&s, PTHREAD_PROCESS_PRIVATE) != 0)
33 puts ("spin_init failed");
34 return 1;
37 if (pthread_spin_lock (&s) != 0)
39 puts ("1st spin_lock failed");
40 return 1;
43 /* Set an alarm for 1 second. The wrapper will expect this. */
44 alarm (1);
46 /* This call should never return. */
47 pthread_spin_lock (&s);
49 puts ("2nd spin_lock returned");
50 return 1;
53 #define EXPECTED_SIGNAL SIGALRM
54 #define TEST_FUNCTION do_test ()
55 #include "../test-skeleton.c"