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authorUlrich Drepper <drepper@redhat.com>2002-12-28 08:45:26 +0000
committerUlrich Drepper <drepper@redhat.com>2002-12-28 08:45:26 +0000
commitca78735936e87a2b72c553636e815bd555c4ef7e (patch)
treef0ae1c756a6e92d0fe9a2ab4702d3c1164017a3f /linuxthreads/tst-cancel2.c
parentbd847b5ab283200edba46a95833592b54aa3f742 (diff)
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Test of cancellation handling.
Diffstat (limited to 'linuxthreads/tst-cancel2.c')
-rw-r--r--linuxthreads/tst-cancel2.c100
1 files changed, 100 insertions, 0 deletions
diff --git a/linuxthreads/tst-cancel2.c b/linuxthreads/tst-cancel2.c
new file mode 100644
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+/* Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <pthread.h>
+#include <signal.h>
+#include <stdio.h>
+#include <unistd.h>
+
+
+static int fd[2];
+
+
+static void *
+tf (void *arg)
+{
+ /* The buffer size must be larger than the pipe size so that the
+ write blocks. */
+ char buf[100000];
+
+ if (write (fd[1], buf, sizeof (buf)) == sizeof (buf))
+ {
+ puts ("write succeeded");
+ return (void *) 1l;
+ }
+
+ return (void *) 42l;
+}
+
+
+static int
+do_test (void)
+{
+ pthread_t th;
+ void *r;
+ struct sigaction sa;
+
+ sa.sa_handler = SIG_IGN;
+ sigemptyset (&sa.sa_mask);
+ sa.sa_flags = 0;
+
+ if (sigaction (SIGPIPE, &sa, NULL) != 0)
+ {
+ puts ("sigaction failed");
+ return 1;
+ }
+
+ if (pipe (fd) != 0)
+ {
+ puts ("pipe failed");
+ return 1;
+ }
+
+ if (pthread_create (&th, NULL, tf, NULL) != 0)
+ {
+ puts ("create failed");
+ return 1;
+ }
+
+ if (pthread_cancel (th) != 0)
+ {
+ puts ("cancel failed");
+ return 1;
+ }
+
+ /* This will cause the write in the child to return. */
+ close (fd[0]);
+
+ if (pthread_join (th, &r) != 0)
+ {
+ puts ("join failed");
+ return 1;
+ }
+
+ if (r != PTHREAD_CANCELED)
+ {
+ printf ("result is wrong: expected %p, got %p\n", PTHREAD_CANCELED, r);
+ return 1;
+ }
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"