Updated to fedora-glibc-20071015T0728
[glibc.git] / nptl / tst-cond1.c
blob46085c2b7ce1f2da90de092e9f9c423d96668f34
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 <error.h>
21 #include <pthread.h>
22 #include <stdio.h>
23 #include <stdlib.h>
26 static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
27 static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER;
30 static void *
31 tf (void *p)
33 int err;
35 err = pthread_mutex_lock (&mut);
36 if (err != 0)
37 error (EXIT_FAILURE, err, "child: cannot get mutex");
39 puts ("child: got mutex; signalling");
41 pthread_cond_signal (&cond);
43 puts ("child: unlock");
45 err = pthread_mutex_unlock (&mut);
46 if (err != 0)
47 error (EXIT_FAILURE, err, "child: cannot unlock");
49 puts ("child: done");
51 return NULL;
55 static int
56 do_test (void)
58 pthread_t th;
59 int err;
61 printf ("&cond = %p\n&mut = %p\n", &cond, &mut);
63 puts ("parent: get mutex");
65 err = pthread_mutex_lock (&mut);
66 if (err != 0)
67 error (EXIT_FAILURE, err, "parent: cannot get mutex");
69 puts ("parent: create child");
71 err = pthread_create (&th, NULL, tf, NULL);
72 if (err != 0)
73 error (EXIT_FAILURE, err, "parent: cannot create thread");
75 puts ("parent: wait for condition");
77 err = pthread_cond_wait (&cond, &mut);
78 if (err != 0)
79 error (EXIT_FAILURE, err, "parent: cannot wait fir signal");
81 puts ("parent: got signal");
83 err = pthread_join (th, NULL);
84 if (err != 0)
85 error (EXIT_FAILURE, err, "parent: failed to join");
87 puts ("done");
89 return 0;
93 #define TEST_FUNCTION do_test ()
94 #include "../test-skeleton.c"