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-rw-r--r--test/nptl/tst-rwlock6.c226
1 files changed, 226 insertions, 0 deletions
diff --git a/test/nptl/tst-rwlock6.c b/test/nptl/tst-rwlock6.c
new file mode 100644
index 000000000..3b525b9d5
--- /dev/null
+++ b/test/nptl/tst-rwlock6.c
@@ -0,0 +1,226 @@
+/* Copyright (C) 2002, 2003 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 <errno.h>
+#include <pthread.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/time.h>
+
+
+static int kind[] =
+ {
+ PTHREAD_RWLOCK_PREFER_READER_NP,
+ PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP,
+ PTHREAD_RWLOCK_PREFER_WRITER_NP,
+ };
+
+
+static void *
+tf (void *arg)
+{
+ pthread_rwlock_t *r = arg;
+
+ /* Timeout: 0.3 secs. */
+ struct timeval tv;
+ (void) gettimeofday (&tv, NULL);
+
+ struct timespec ts;
+ TIMEVAL_TO_TIMESPEC (&tv, &ts);
+ ts.tv_nsec += 300000000;
+ if (ts.tv_nsec >= 1000000000)
+ {
+ ts.tv_nsec -= 1000000000;
+ ++ts.tv_sec;
+ }
+
+ puts ("child calling timedrdlock");
+
+ int err = pthread_rwlock_timedrdlock (r, &ts);
+ if (err == 0)
+ {
+ puts ("rwlock_timedrdlock returned");
+ pthread_exit ((void *) 1l);
+ }
+
+ if (err != ETIMEDOUT)
+ {
+ printf ("err = %s (%d), expected %s (%d)\n",
+ strerror (err), err, strerror (ETIMEDOUT), ETIMEDOUT);
+ pthread_exit ((void *) 1l);
+ }
+
+ puts ("1st child timedrdlock done");
+
+ struct timeval tv2;
+ (void) gettimeofday (&tv2, NULL);
+
+ timersub (&tv2, &tv, &tv);
+
+ if (tv.tv_usec < 200000)
+ {
+ puts ("timeout too short");
+ pthread_exit ((void *) 1l);
+ }
+
+ (void) gettimeofday (&tv, NULL);
+ TIMEVAL_TO_TIMESPEC (&tv, &ts);
+ ts.tv_sec += 10;
+ /* Note that the following operation makes ts invalid. */
+ ts.tv_nsec += 1000000000;
+
+ err = pthread_rwlock_timedrdlock (r, &ts);
+ if (err == 0)
+ {
+ puts ("2nd timedrdlock succeeded");
+ pthread_exit ((void *) 1l);
+ }
+ if (err != EINVAL)
+ {
+ puts ("2nd timedrdlock did not return EINVAL");
+ pthread_exit ((void *) 1l);
+ }
+
+ puts ("2nd child timedrdlock done");
+
+ return NULL;
+}
+
+
+static int
+do_test (void)
+{
+ size_t cnt;
+ for (cnt = 0; cnt < sizeof (kind) / sizeof (kind[0]); ++cnt)
+ {
+ pthread_rwlock_t r;
+ pthread_rwlockattr_t a;
+
+ if (pthread_rwlockattr_init (&a) != 0)
+ {
+ printf ("round %Zu: rwlockattr_t failed\n", cnt);
+ exit (1);
+ }
+
+ if (pthread_rwlockattr_setkind_np (&a, kind[cnt]) != 0)
+ {
+ printf ("round %Zu: rwlockattr_setkind failed\n", cnt);
+ exit (1);
+ }
+
+ if (pthread_rwlock_init (&r, &a) != 0)
+ {
+ printf ("round %Zu: rwlock_init failed\n", cnt);
+ exit (1);
+ }
+
+ if (pthread_rwlockattr_destroy (&a) != 0)
+ {
+ printf ("round %Zu: rwlockattr_destroy failed\n", cnt);
+ exit (1);
+ }
+
+ struct timeval tv;
+ (void) gettimeofday (&tv, NULL);
+
+ struct timespec ts;
+ TIMEVAL_TO_TIMESPEC (&tv, &ts);
+
+ ++ts.tv_sec;
+
+ /* Get a write lock. */
+ int e = pthread_rwlock_timedwrlock (&r, &ts);
+ if (e != 0)
+ {
+ printf ("round %Zu: rwlock_timedwrlock failed (%d)\n", cnt, e);
+ exit (1);
+ }
+
+ puts ("1st timedwrlock done");
+
+ (void) gettimeofday (&tv, NULL);
+ TIMEVAL_TO_TIMESPEC (&tv, &ts);
+ ++ts.tv_sec;
+ e = pthread_rwlock_timedrdlock (&r, &ts);
+ if (e == 0)
+ {
+ puts ("timedrdlock succeeded");
+ exit (1);
+ }
+ if (e != EDEADLK)
+ {
+ puts ("timedrdlock did not return EDEADLK");
+ exit (1);
+ }
+
+ puts ("1st timedrdlock done");
+
+ (void) gettimeofday (&tv, NULL);
+ TIMEVAL_TO_TIMESPEC (&tv, &ts);
+ ++ts.tv_sec;
+ e = pthread_rwlock_timedwrlock (&r, &ts);
+ if (e == 0)
+ {
+ puts ("2nd timedwrlock succeeded");
+ exit (1);
+ }
+ if (e != EDEADLK)
+ {
+ puts ("2nd timedwrlock did not return EDEADLK");
+ exit (1);
+ }
+
+ puts ("2nd timedwrlock done");
+
+ pthread_t th;
+ if (pthread_create (&th, NULL, tf, &r) != 0)
+ {
+ printf ("round %Zu: create failed\n", cnt);
+ exit (1);
+ }
+
+ puts ("started thread");
+
+ void *status;
+ if (pthread_join (th, &status) != 0)
+ {
+ printf ("round %Zu: join failed\n", cnt);
+ exit (1);
+ }
+ if (status != NULL)
+ {
+ printf ("failure in round %Zu\n", cnt);
+ exit (1);
+ }
+
+ puts ("joined thread");
+
+ if (pthread_rwlock_destroy (&r) != 0)
+ {
+ printf ("round %Zu: rwlock_destroy failed\n", cnt);
+ exit (1);
+ }
+ }
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"