1 /* Copyright (C) 2002-2014 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 <http://www.gnu.org/licenses/>. */
25 static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
26 static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER;
34 err = pthread_mutex_lock (&mut);
36 error (EXIT_FAILURE, err, "child: cannot get mutex");
38 puts ("child: got mutex; signalling");
40 pthread_cond_signal (&cond);
42 puts ("child: unlock");
44 err = pthread_mutex_unlock (&mut);
46 error (EXIT_FAILURE, err, "child: cannot unlock");
60 printf ("&cond = %p\n&mut = %p\n", &cond, &mut);
62 puts ("parent: get mutex");
64 err = pthread_mutex_lock (&mut);
66 error (EXIT_FAILURE, err, "parent: cannot get mutex");
68 puts ("parent: create child");
70 err = pthread_create (&th, NULL, tf, NULL);
72 error (EXIT_FAILURE, err, "parent: cannot create thread");
74 puts ("parent: wait for condition");
76 err = pthread_cond_wait (&cond, &mut);
78 error (EXIT_FAILURE, err, "parent: cannot wait fir signal");
80 puts ("parent: got signal");
82 err = pthread_join (th, NULL);
84 error (EXIT_FAILURE, err, "parent: failed to join");
92 #define TEST_FUNCTION do_test ()
93 #include "../test-skeleton.c"