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-rw-r--r--nptl/tst-join2.c104
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diff --git a/nptl/tst-join2.c b/nptl/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; 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 <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"