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authorUlrich Drepper <drepper@redhat.com>2003-02-14 03:26:28 +0000
committerUlrich Drepper <drepper@redhat.com>2003-02-14 03:26:28 +0000
commita7720b5e184ed038576e017701911169c7de8f8a (patch)
tree17bca8f9128fa8a7cfed52eae755fa13046ac70e /nptl/tst-cond8.c
parenta1ea4c0638ecf4ef3c421b03089000aca7d0f0eb (diff)
downloadglibc-a7720b5e184ed038576e017701911169c7de8f8a.tar.gz
Update.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Fix handling of cancellation and failung pthread_mutex_unlock call. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Likewise. * Makefile (tests): Add tst-cond8 and tst-cond9. * tst-cond8.c: New file. * tst-cond9.c: New file.
Diffstat (limited to 'nptl/tst-cond8.c')
-rw-r--r--nptl/tst-cond8.c275
1 files changed, 275 insertions, 0 deletions
diff --git a/nptl/tst-cond8.c b/nptl/tst-cond8.c
new file mode 100644
index 0000000000..48451e7813
--- /dev/null
+++ b/nptl/tst-cond8.c
@@ -0,0 +1,275 @@
+/* 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 <errno.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <sys/time.h>
+
+
+static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
+static pthread_mutex_t mut = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP;
+
+static pthread_barrier_t bar;
+
+
+static void
+ch (void *arg)
+{
+ int e = pthread_mutex_lock (&mut);
+ if (e == 0)
+ {
+ puts ("mutex not locked at all by cond_wait");
+ exit (1);
+ }
+
+ if (e != EDEADLK)
+ {
+ puts ("no deadlock error signaled");
+ exit (1);
+ }
+
+ if (pthread_mutex_unlock (&mut) != 0)
+ {
+ puts ("ch: cannot unlock mutex");
+ exit (1);
+ }
+}
+
+
+static void *
+tf1 (void *p)
+{
+ int err;
+
+ if (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) != 0
+ || pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, NULL) != 0)
+ {
+ puts ("cannot set cancellation options");
+ exit (1);
+ }
+
+ err = pthread_mutex_lock (&mut);
+ if (err != 0)
+ {
+ puts ("child: cannot get mutex");
+ exit (1);
+ }
+
+ err = pthread_barrier_wait (&bar);
+ if (err != 0 && err != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ printf ("barrier_wait returned %d\n", err);
+ exit (1);
+ }
+
+ puts ("child: got mutex; waiting");
+
+ pthread_cleanup_push (ch, NULL);
+
+ pthread_cond_wait (&cond, &mut);
+
+ pthread_cleanup_pop (0);
+
+ puts ("child: cond_wait should not have returned");
+
+ return NULL;
+}
+
+
+static void *
+tf2 (void *p)
+{
+ int err;
+
+ if (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) != 0
+ || pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, NULL) != 0)
+ {
+ puts ("cannot set cancellation options");
+ exit (1);
+ }
+
+ err = pthread_mutex_lock (&mut);
+ if (err != 0)
+ {
+ puts ("child: cannot get mutex");
+ exit (1);
+ }
+
+ err = pthread_barrier_wait (&bar);
+ if (err != 0 && err != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ printf ("barrier_wait returned %d\n", err);
+ exit (1);
+ }
+
+ puts ("child: got mutex; waiting");
+
+ pthread_cleanup_push (ch, NULL);
+
+ /* Current time. */
+ struct timeval tv;
+ (void) gettimeofday (&tv, NULL);
+ /* +1000 seconds in correct format. */
+ struct timespec ts;
+ TIMEVAL_TO_TIMESPEC (&tv, &ts);
+ ts.tv_sec += 1000;
+
+ pthread_cond_timedwait (&cond, &mut, &ts);
+
+ pthread_cleanup_pop (0);
+
+ puts ("child: cond_wait should not have returned");
+
+ return NULL;
+}
+
+
+static int
+do_test (void)
+{
+ pthread_t th;
+ int err;
+
+ printf ("&cond = %p\n&mut = %p\n", &cond, &mut);
+
+ puts ("parent: get mutex");
+
+ err = pthread_barrier_init (&bar, NULL, 2);
+ if (err != 0)
+ {
+ puts ("parent: cannot init barrier");
+ exit (1);
+ }
+
+ puts ("parent: create child");
+
+ err = pthread_create (&th, NULL, tf1, NULL);
+ if (err != 0)
+ {
+ puts ("parent: cannot create thread");
+ exit (1);
+ }
+
+ puts ("parent: wait for child to lock mutex");
+
+ err = pthread_barrier_wait (&bar);
+ if (err != 0 && err != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ puts ("parent: cannot wait for barrier");
+ exit (1);
+ }
+
+ err = pthread_mutex_lock (&mut);
+ if (err != 0)
+ {
+ puts ("parent: mutex_lock failed");
+ exit (1);
+ }
+
+ err = pthread_mutex_unlock (&mut);
+ if (err != 0)
+ {
+ puts ("parent: mutex_unlock failed");
+ exit (1);
+ }
+
+ if (pthread_cancel (th) != 0)
+ {
+ puts ("cannot cancel thread");
+ exit (1);
+ }
+
+ void *r;
+ err = pthread_join (th, &r);
+ if (err != 0)
+ {
+ puts ("parent: failed to join");
+ exit (1);
+ }
+
+ if (r != PTHREAD_CANCELED)
+ {
+ puts ("child hasn't been canceled");
+ exit (1);
+ }
+
+
+
+ puts ("parent: create 2nd child");
+
+ err = pthread_create (&th, NULL, tf2, NULL);
+ if (err != 0)
+ {
+ puts ("parent: cannot create thread");
+ exit (1);
+ }
+
+ puts ("parent: wait for child to lock mutex");
+
+ err = pthread_barrier_wait (&bar);
+ if (err != 0 && err != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ puts ("parent: cannot wait for barrier");
+ exit (1);
+ }
+
+ err = pthread_mutex_lock (&mut);
+ if (err != 0)
+ {
+ puts ("parent: mutex_lock failed");
+ exit (1);
+ }
+
+ err = pthread_mutex_unlock (&mut);
+ if (err != 0)
+ {
+ puts ("parent: mutex_unlock failed");
+ exit (1);
+ }
+
+ if (pthread_cancel (th) != 0)
+ {
+ puts ("cannot cancel thread");
+ exit (1);
+ }
+
+ err = pthread_join (th, &r);
+ if (err != 0)
+ {
+ puts ("parent: failed to join");
+ exit (1);
+ }
+
+ if (r != PTHREAD_CANCELED)
+ {
+ puts ("child hasn't been canceled");
+ exit (1);
+ }
+
+ puts ("done");
+
+ return 0;
+}
+
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"