Update.
[glibc.git] / nptl / tst-cancel2.c
blob6d80f8ae5e0ac29903c4828034580835241db165
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 <pthread.h>
21 #include <signal.h>
22 #include <stdio.h>
23 #include <unistd.h>
26 static int fd[2];
29 static void *
30 tf (void *arg)
32 /* The buffer size must be larger than the pipe size so that the
33 write blocks. */
34 char buf[100000];
36 if (write (fd[1], buf, sizeof (buf)) == sizeof (buf))
38 puts ("write succeeded");
39 return (void *) 1l;
42 return (void *) 42l;
46 static int
47 do_test (void)
49 pthread_t th;
50 void *r;
51 struct sigaction sa;
53 sa.sa_handler = SIG_IGN;
54 sigemptyset (&sa.sa_mask);
55 sa.sa_flags = 0;
57 if (sigaction (SIGPIPE, &sa, NULL) != 0)
59 puts ("sigaction failed");
60 return 1;
63 if (pipe (fd) != 0)
65 puts ("pipe failed");
66 return 1;
69 if (pthread_create (&th, NULL, tf, NULL) != 0)
71 puts ("create failed");
72 return 1;
75 if (pthread_cancel (th) != 0)
77 puts ("cancel failed");
78 return 1;
81 /* This will cause the write in the child to return. */
82 close (fd[0]);
84 if (pthread_join (th, &r) != 0)
86 puts ("join failed");
87 return 1;
90 if (r != PTHREAD_CANCELED)
92 printf ("result is wrong: expected %p, got %p\n", PTHREAD_CANCELED, r);
93 return 1;
96 return 0;
99 #define TEST_FUNCTION do_test ()
100 #include "../test-skeleton.c"