Update.
[glibc.git] / nptl / tst-cancel9.c
blob037ef30fd63ae1c795089976adc0596f3660d90d
1 /* Copyright (C) 2003, 2004 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 <fcntl.h>
21 #include <pthread.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <unistd.h>
28 static pthread_barrier_t b;
31 static void
32 cleanup (void *arg)
34 fputs ("in cleanup\n", stdout);
38 static void *
39 tf (void *arg)
41 int fd = open ("/dev/null", O_RDWR);
42 if (fd == -1)
44 puts ("cannot open /dev/null");
45 exit (1);
47 FILE *fp = fdopen (fd, "w");
48 if (fp == NULL)
50 puts ("fdopen failed");
51 exit (1);
54 pthread_cleanup_push (cleanup, NULL);
56 int e = pthread_barrier_wait (&b);
57 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
59 puts ("barrier_wait failed");
60 exit (1);
63 while (1)
64 /* fprintf() uses write() which is a cancallation point. */
65 fprintf (fp, "foo");
67 pthread_cleanup_pop (0);
69 return NULL;
73 static int
74 do_test (void)
76 if (pthread_barrier_init (&b, NULL, 2) != 0)
78 puts ("barrier_init failed");
79 exit (1);
82 pthread_t th;
83 if (pthread_create (&th, NULL, tf, NULL) != 0)
85 puts ("create failed");
86 return 1;
89 int e = pthread_barrier_wait (&b);
90 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
92 puts ("barrier_wait failed");
93 exit (1);
96 sleep (1);
98 puts ("cancel now");
100 if (pthread_cancel (th) != 0)
102 puts ("cancel failed");
103 exit (1);
106 puts ("waiting for the child");
108 void *r;
109 if (pthread_join (th, &r) != 0)
111 puts ("join failed");
112 exit (1);
115 if (r != PTHREAD_CANCELED)
117 puts ("thread wasn't canceled");
118 exit (1);
121 return 0;
125 #define TEST_FUNCTION do_test ()
126 #include "../test-skeleton.c"