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authorUlrich Drepper <drepper@redhat.com>2003-02-16 09:18:53 +0000
committerUlrich Drepper <drepper@redhat.com>2003-02-16 09:18:53 +0000
commit1564916ab9ef4e2ce673cd5fb3123c067e4a787d (patch)
tree35849809bf0077f34384aee1183dc8f181ed411a /nptl/tst-cancel9.c
parente9cb48ab58fd8f619f5c7f13c2188161dbdef254 (diff)
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Update.
2003-02-16 Ulrich Drepper <drepper@redhat.com> * libc-cancellation.c (__libc_enable_asynccancel): Rwrite to avoid going into an endless loop. * Makefile (tests): Add tst-cancel9. * tst-cancel9.c: New file. * pthread_cancel.c (pthread_cancel): Use the result of __pthread_kill.
Diffstat (limited to 'nptl/tst-cancel9.c')
-rw-r--r--nptl/tst-cancel9.c126
1 files changed, 126 insertions, 0 deletions
diff --git a/nptl/tst-cancel9.c b/nptl/tst-cancel9.c
new file mode 100644
index 0000000..1d59e19
--- /dev/null
+++ b/nptl/tst-cancel9.c
@@ -0,0 +1,126 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ 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 <fcntl.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+
+static pthread_barrier_t b;
+
+
+static void
+cleanup (void *arg)
+{
+ fprintf (stderr, "in cleanup\n");
+}
+
+
+static void *
+tf (void *arg)
+{
+ int fd = open ("/dev/null", O_RDWR);
+ if (fd == -1)
+ {
+ puts ("cannot open /dev/null");
+ exit (1);
+ }
+ FILE *fp = fdopen (fd, "w");
+ if (fp == NULL)
+ {
+ puts ("fdopen failed");
+ exit (1);
+ }
+
+ pthread_cleanup_push (cleanup, NULL);
+
+ int e = pthread_barrier_wait (&b);
+ if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ puts ("barrier_wait failed");
+ exit (1);
+ }
+
+ while (1)
+ /* fprintf() uses write() which is a cancallation point. */
+ fprintf (fp, "foo");
+
+ pthread_cleanup_pop (0);
+
+ return NULL;
+}
+
+
+static int
+do_test (void)
+{
+ if (pthread_barrier_init (&b, NULL, 2) != 0)
+ {
+ puts ("barrier_init failed");
+ exit (1);
+ }
+
+ pthread_t th;
+ if (pthread_create (&th, NULL, tf, NULL) != 0)
+ {
+ puts ("create failed");
+ return 1;
+ }
+
+ int e = pthread_barrier_wait (&b);
+ if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ puts ("barrier_wait failed");
+ exit (1);
+ }
+
+ sleep (1);
+
+ puts ("cancel now");
+
+ if (pthread_cancel (th) != 0)
+ {
+ puts ("cancel failed");
+ exit (1);
+ }
+
+ puts ("waiting for the child");
+
+ void *r;
+ if (pthread_join (th, &r) != 0)
+ {
+ puts ("join failed");
+ exit (1);
+ }
+
+ if (r != PTHREAD_CANCELED)
+ {
+ puts ("thread wasn't canceled");
+ exit (1);
+ }
+
+ return 0;
+}
+
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"