Update.
[glibc.git] / linuxthreads / tst-cancel7.c
blob11298eae266f5893355b9cf0527100b619e7a929
1 /* Test for pthread cancellation of mutex blocks.
2 Copyright (C) 2003 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 02111-1307 USA. */
21 #include <pthread.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <unistd.h>
26 pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
27 pthread_barrier_t b;
28 int value = 0;
30 static void *
31 tf (void *arg)
33 int r = pthread_barrier_wait (&b);
34 if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
36 printf ("%s: barrier_wait failed\n", __FUNCTION__);
37 exit (1);
40 pthread_mutex_lock (&lock);
41 ++value;
42 pthread_testcancel ();
43 ++value;
44 pthread_mutex_unlock (&lock);
45 return NULL;
49 static int
50 do_test (void)
52 pthread_mutex_lock (&lock);
54 if (pthread_barrier_init (&b, NULL, 2) != 0)
56 puts ("barrier init failed");
57 return 1;
60 pthread_t th;
61 if (pthread_create (&th, NULL, tf, NULL) != 0)
63 puts ("pthread_create failed");
64 return 1;
67 int r = pthread_barrier_wait (&b);
68 if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
70 printf ("%s: barrier_wait failed\n", __FUNCTION__);
71 exit (1);
74 if (pthread_cancel (th) != 0)
76 puts ("pthread_cancel failed");
77 return 1;
80 pthread_mutex_unlock (&lock);
82 void *status;
83 if (pthread_join (th, &status) != 0)
85 puts ("join failed");
86 return 1;
89 if (status != PTHREAD_CANCELED)
91 puts ("thread not canceled");
92 return 1;
95 if (value == 0)
97 puts ("thread cancelled in the pthread_mutex_lock call");
98 return 1;
101 if (value != 1)
103 puts ("thread not cancelled in pthread_testcancel call");
104 return 1;
107 return 0;
110 #define TEST_FUNCTION do_test ()
111 #include "../test-skeleton.c"