1 /* Copyright (C) 2002-2020 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, see
17 <https://www.gnu.org/licenses/>. */
28 static pthread_mutex_t mut
;
29 static pthread_cond_t cond
= PTHREAD_COND_INITIALIZER
;
35 pthread_mutexattr_t ma
;
40 if (pthread_mutexattr_init (&ma
) != 0)
42 puts ("mutexattr_init failed");
46 if (pthread_mutexattr_settype (&ma
, PTHREAD_MUTEX_ERRORCHECK
) != 0)
48 puts ("mutexattr_settype failed");
52 if (pthread_mutex_init (&mut
, &ma
) != 0)
54 puts ("mutex_init failed");
59 if (pthread_mutex_lock (&mut
) != 0)
61 puts ("mutex_lock failed");
65 /* Waiting for the condition will fail. But we want the timeout here. */
66 if (gettimeofday (&tv
, NULL
) != 0)
68 puts ("gettimeofday failed");
72 TIMEVAL_TO_TIMESPEC (&tv
, &ts
);
73 ts
.tv_nsec
+= 500000000;
74 if (ts
.tv_nsec
>= 1000000000)
76 ts
.tv_nsec
-= 1000000000;
79 err
= pthread_cond_timedwait (&cond
, &mut
, &ts
);
82 /* This could in theory happen but here without any signal and
83 additional waiter it should not. */
84 puts ("cond_timedwait succeeded");
87 else if (err
!= ETIMEDOUT
)
89 printf ("cond_timedwait returned with %s\n", strerror (err
));
93 err
= pthread_mutex_unlock (&mut
);
96 printf ("mutex_unlock failed: %s\n", strerror (err
));
104 #define TEST_FUNCTION do_test ()
105 #include "../test-skeleton.c"