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-rw-r--r--test/nptl/tst-rwlock14.c169
1 files changed, 169 insertions, 0 deletions
diff --git a/test/nptl/tst-rwlock14.c b/test/nptl/tst-rwlock14.c
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+++ b/test/nptl/tst-rwlock14.c
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+/* Copyright (C) 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
+
+ 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>
+
+
+static pthread_barrier_t b;
+static pthread_rwlock_t r = PTHREAD_RWLOCK_INITIALIZER;
+
+
+static void *
+tf (void *arg)
+{
+ /* Lock the read-write lock. */
+ if (pthread_rwlock_wrlock (&r) != 0)
+ {
+ puts ("tf: cannot lock rwlock");
+ exit (EXIT_FAILURE);
+ }
+
+ pthread_t mt = *(pthread_t *) arg;
+
+ pthread_barrier_wait (&b);
+
+ /* This call will never return. */
+ pthread_join (mt, NULL);
+
+ return NULL;
+}
+
+
+static int
+do_test (void)
+{
+ int result = 0;
+ struct timespec ts;
+
+ if (clock_gettime (CLOCK_REALTIME, &ts) != 0)
+ {
+ puts ("clock_gettime failed");
+ return 1;
+ }
+
+ if (pthread_barrier_init (&b, NULL, 2) != 0)
+ {
+ puts ("barrier_init failed");
+ return 1;
+ }
+
+ pthread_t me = pthread_self ();
+ pthread_t th;
+ if (pthread_create (&th, NULL, tf, &me) != 0)
+ {
+ puts ("create failed");
+ return 1;
+ }
+
+ /* Wait until the rwlock is locked. */
+ pthread_barrier_wait (&b);
+
+ ts.tv_nsec = -1;
+
+ int e = pthread_rwlock_timedrdlock (&r, &ts);
+ if (e == 0)
+ {
+ puts ("first rwlock_timedrdlock did not fail");
+ result = 1;
+ }
+ else if (e != EINVAL)
+ {
+ puts ("first rwlock_timedrdlock did not return EINVAL");
+ result = 1;
+ }
+
+ e = pthread_rwlock_timedwrlock (&r, &ts);
+ if (e == 0)
+ {
+ puts ("first rwlock_timedwrlock did not fail");
+ result = 1;
+ }
+ else if (e != EINVAL)
+ {
+ puts ("first rwlock_timedwrlock did not return EINVAL");
+ result = 1;
+ }
+
+ ts.tv_nsec = 1000000000;
+
+ e = pthread_rwlock_timedrdlock (&r, &ts);
+ if (e == 0)
+ {
+ puts ("second rwlock_timedrdlock did not fail");
+ result = 1;
+ }
+ else if (e != EINVAL)
+ {
+ puts ("second rwlock_timedrdlock did not return EINVAL");
+ result = 1;
+ }
+
+ e = pthread_rwlock_timedrdlock (&r, &ts);
+ if (e == 0)
+ {
+ puts ("second rwlock_timedrdlock did not fail");
+ result = 1;
+ }
+ else if (e != EINVAL)
+ {
+ puts ("second rwlock_timedrdlock did not return EINVAL");
+ result = 1;
+ }
+
+ ts.tv_nsec = 0x100001000LL;
+ if (ts.tv_nsec != 0x100001000LL)
+ ts.tv_nsec = 2000000000;
+
+ e = pthread_rwlock_timedrdlock (&r, &ts);
+ if (e == 0)
+ {
+ puts ("third rwlock_timedrdlock did not fail");
+ result = 1;
+ }
+ else if (e != EINVAL)
+ {
+ puts ("third rwlock_timedrdlock did not return EINVAL");
+ result = 1;
+ }
+
+ e = pthread_rwlock_timedrdlock (&r, &ts);
+ if (e == 0)
+ {
+ puts ("third rwlock_timedrdlock did not fail");
+ result = 1;
+ }
+ else if (e != EINVAL)
+ {
+ puts ("third rwlock_timedrdlock did not return EINVAL");
+ result = 1;
+ }
+
+ if (result == 0)
+ puts ("no bugs");
+
+ return result;
+}
+
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"