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[glibc/history.git] / nptl / tst-cond5.c
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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 <errno.h>
21 #include <pthread.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <time.h>
26 #include <sys/time.h>
29 static pthread_mutex_t mut;
30 static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
33 static int
34 do_test (void)
36 pthread_mutexattr_t ma;
37 int err;
38 struct timespec ts;
39 struct timeval tv;
41 if (pthread_mutexattr_init (&ma) != 0)
43 puts ("mutexattr_init failed");
44 exit (1);
47 if (pthread_mutexattr_settype (&ma, PTHREAD_MUTEX_ERRORCHECK) != 0)
49 puts ("mutexattr_settype failed");
50 exit (1);
53 if (pthread_mutex_init (&mut, &ma) != 0)
55 puts ("mutex_init failed");
56 exit (1);
59 /* Get the mutex. */
60 if (pthread_mutex_lock (&mut) != 0)
62 puts ("mutex_lock failed");
63 exit (1);
66 /* Waiting for the condition will fail. But we want the timeout here. */
67 if (gettimeofday (&tv, NULL) != 0)
69 puts ("gettimeofday failed");
70 exit (1);
73 TIMEVAL_TO_TIMESPEC (&tv, &ts);
74 ts.tv_nsec += 500000000;
75 if (ts.tv_nsec >= 1000000000)
77 ts.tv_nsec -= 1000000000;
78 ++ts.tv_sec;
80 err = pthread_cond_timedwait (&cond, &mut, &ts);
81 if (err == 0)
83 /* This could in theory happen but here without any signal and
84 additional waiter it should not. */
85 puts ("cond_timedwait succeeded");
86 exit (1);
88 else if (err != ETIMEDOUT)
90 printf ("cond_timedwait returned with %s\n", strerror (err));
91 exit (1);
94 err = pthread_mutex_unlock (&mut);
95 if (err != 0)
97 printf ("mutex_unlock failed: %s\n", strerror (err));
98 exit (1);
101 return 0;
105 #define TEST_FUNCTION do_test ()
106 #include "../test-skeleton.c"