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authorUlrich Drepper <drepper@redhat.com>2003-06-17 22:11:22 +0000
committerUlrich Drepper <drepper@redhat.com>2003-06-17 22:11:22 +0000
commit60d73a7ac4e0116ef2e458d705aeee14aff7aed9 (patch)
tree6a54617cdad5490be019cc1ad288f9d7e7e3091a /nptl/tst-cancel17.c
parentaa3cee213a291e2fd7298579059706622dd16793 (diff)
Update.
* sysdeps/unix/clock_nanosleep.c (clock_nanosleep): nanosleep takes care of enabling cancellation. * sysdeps/pthread/aio_suspend.c (aio_suspend): Make aio_suspend cancelable. It's not correct to disable cancellation. Instead of a cleanup handler.
Diffstat (limited to 'nptl/tst-cancel17.c')
-rw-r--r--nptl/tst-cancel17.c205
1 files changed, 205 insertions, 0 deletions
diff --git a/nptl/tst-cancel17.c b/nptl/tst-cancel17.c
new file mode 100644
index 0000000000..65b8c73ef8
--- /dev/null
+++ b/nptl/tst-cancel17.c
@@ -0,0 +1,205 @@
+/* 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 <aio.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+
+static pthread_barrier_t b;
+
+
+/* Cleanup handling test. */
+static int cl_called;
+
+static void
+cl (void *arg)
+{
+ ++cl_called;
+}
+
+
+static void *
+tf (void *arg)
+{
+ int r = pthread_barrier_wait (&b);
+ if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ puts ("barrier_wait failed");
+ exit (1);
+ }
+
+ pthread_cleanup_push (cl, NULL);
+
+ const struct aiocb *l[1] = { arg };
+
+ aio_suspend (l, 1, NULL);
+
+ pthread_cleanup_pop (0);
+
+ puts ("aio_suspend returned");
+
+ exit (1);
+}
+
+
+static int
+do_test (void)
+{
+ int fds[2];
+ if (pipe (fds) != 0)
+ {
+ puts ("pipe failed");
+ return 1;
+ }
+
+ struct aiocb a;
+ char mem[1];
+ memset (&a, '\0', sizeof (a));
+ a.aio_fildes = fds[0];
+ a.aio_buf = mem;
+ a.aio_nbytes = sizeof (mem);
+ if (aio_read (&a) != 0)
+ {
+ puts ("aio_read failed");
+ return 1;
+ }
+
+ if (pthread_barrier_init (&b, NULL, 2) != 0)
+ {
+ puts ("barrier_init failed");
+ return 1;
+ }
+
+ pthread_t th;
+ if (pthread_create (&th, NULL, tf, &a) != 0)
+ {
+ puts ("1st create failed");
+ return 1;
+ }
+
+ int r = pthread_barrier_wait (&b);
+ if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ puts ("barrier_wait failed");
+ exit (1);
+ }
+
+ struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 };
+ while (nanosleep (&ts, &ts) != 0)
+ continue;
+
+ puts ("going to cancel in-time");
+ if (pthread_cancel (th) != 0)
+ {
+ puts ("1st cancel failed");
+ return 1;
+ }
+
+ void *status;
+ if (pthread_join (th, &status) != 0)
+ {
+ puts ("1st join failed");
+ return 1;
+ }
+ if (status != PTHREAD_CANCELED)
+ {
+ puts ("1st thread not canceled");
+ return 1;
+ }
+
+ if (cl_called == 0)
+ {
+ puts ("cleanup handler not called");
+ return 1;
+ }
+ if (cl_called > 1)
+ {
+ puts ("cleanup handler called more than once");
+ return 1;
+ }
+
+ puts ("in-time cancellation succeeded");
+ aio_cancel (fds[0], &a);
+
+
+ cl_called = 0;
+
+ memset (&a, '\0', sizeof (a));
+ a.aio_fildes = fds[1];
+ a.aio_buf = mem;
+ a.aio_nbytes = sizeof (mem);
+ if (aio_write (&a) != 0)
+ {
+ puts ("aio_write failed");
+ return 1;
+ }
+
+ if (pthread_create (&th, NULL, tf, &a) != 0)
+ {
+ puts ("2nd create failed");
+ return 1;
+ }
+
+ puts ("going to cancel early");
+ if (pthread_cancel (th) != 0)
+ {
+ puts ("2nd cancel failed");
+ return 1;
+ }
+
+ r = pthread_barrier_wait (&b);
+ if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ puts ("barrier_wait failed");
+ exit (1);
+ }
+
+ if (pthread_join (th, &status) != 0)
+ {
+ puts ("2nd join failed");
+ return 1;
+ }
+ if (status != PTHREAD_CANCELED)
+ {
+ puts ("2nd thread not canceled");
+ return 1;
+ }
+
+ if (cl_called == 0)
+ {
+ printf ("cleanup handler not called\n");
+ return 1;
+ }
+ if (cl_called > 1)
+ {
+ printf ("cleanup handler called more than once\n");
+ return 1;
+ }
+
+ puts ("early cancellation succeeded");
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"