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-rw-r--r--test/pthread/tst-join2.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/test/pthread/tst-join2.c b/test/pthread/tst-join2.c
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+/* Copyright (C) 2002 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; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+
+static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
+
+
+static void *
+tf (void *arg)
+{
+ if (pthread_mutex_lock (&lock) != 0)
+ {
+ puts ("child: mutex_lock failed");
+ return NULL;
+ }
+
+ return (void *) 42l;
+}
+
+
+static int
+do_test (void)
+{
+ pthread_t th;
+
+ if (pthread_mutex_lock (&lock) != 0)
+ {
+ puts ("mutex_lock failed");
+ exit (1);
+ }
+
+ if (pthread_create (&th, NULL, tf, NULL) != 0)
+ {
+ puts ("mutex_create failed");
+ exit (1);
+ }
+
+ void *status;
+ int val = pthread_tryjoin_np (th, &status);
+ if (val == 0)
+ {
+ puts ("1st tryjoin succeeded");
+ exit (1);
+ }
+ else if (val != EBUSY)
+ {
+ puts ("1st tryjoin didn't return EBUSY");
+ exit (1);
+ }
+
+ if (pthread_mutex_unlock (&lock) != 0)
+ {
+ puts ("mutex_unlock failed");
+ exit (1);
+ }
+
+ while ((val = pthread_tryjoin_np (th, &status)) != 0)
+ {
+ if (val != EBUSY)
+ {
+ printf ("tryjoin returned %s (%d), expected only 0 or EBUSY\n",
+ strerror (val), val);
+ exit (1);
+ }
+
+ /* Delay minimally. */
+ struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 };
+ nanosleep (&ts, NULL);
+ }
+
+ if (status != (void *) 42l)
+ {
+ printf ("return value %p, expected %p\n", status, (void *) 42l);
+ exit (1);
+ }
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"