Update.
[glibc.git] / nptl / tst-cancel13.c
blob66ab4550979b969844db8cf33714a18264331c5e
1 /* Copyright (C) 2003 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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 <semaphore.h>
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <string.h>
26 #include <unistd.h>
29 static pthread_barrier_t bar;
30 static sem_t sem;
33 static void
34 cleanup (void *arg)
36 static int ncall;
38 if (++ncall != 1)
40 puts ("second call to cleanup");
41 exit (1);
44 printf ("cleanup call #%d\n", ncall);
48 static void *
49 tf (void *arg)
51 pthread_cleanup_push (cleanup, NULL);
53 int e = pthread_barrier_wait (&bar);
54 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
56 puts ("tf: 1st barrier_wait failed");
57 exit (1);
60 /* This call should block and be cancelable. */
61 sem_wait (&sem);
63 pthread_cleanup_pop (0);
65 puts ("sem_wait returned");
67 return NULL;
71 static int
72 do_test (void)
74 pthread_t th;
76 if (pthread_barrier_init (&bar, NULL, 2) != 0)
78 puts ("barrier_init failed");
79 exit (1);
82 if (sem_init (&sem, 0, 0) != 0)
84 puts ("sem_init failed");
85 exit (1);
88 if (pthread_create (&th, NULL, tf, NULL) != 0)
90 puts ("create failed");
91 exit (1);
94 int e = pthread_barrier_wait (&bar);
95 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
97 puts ("1st barrier_wait failed");
98 exit (1);
101 /* Give the child a chance to go to sleep in sem_wait. */
102 sleep (1);
104 /* Check whether cancellation is honored when waiting in sem_wait. */
105 if (pthread_cancel (th) != 0)
107 puts ("1st cancel failed");
108 exit (1);
111 void *r;
112 if (pthread_join (th, &r) != 0)
114 puts ("join failed");
115 exit (1);
118 if (r != PTHREAD_CANCELED)
120 puts ("thread not canceled");
121 exit (1);
124 return 0;
128 #define TEST_FUNCTION do_test ()
129 #include "../test-skeleton.c"