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-rw-r--r--nptl/tst-rwlock5.c87
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diff --git a/nptl/tst-rwlock5.c b/nptl/tst-rwlock5.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 <pthread.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+
+static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
+static pthread_rwlock_t r;
+
+
+static void *
+tf (void *arg)
+{
+  if (pthread_rwlock_wrlock (&r) == 0)
+    {
+      puts ("child: rwlock_wrlock succeeded");
+      exit (1);
+    }
+
+  puts ("child: rwlock_wrlock returned");
+
+  exit (1);
+}
+
+
+static int
+do_test (void)
+{
+  pthread_t th;
+
+  if (pthread_rwlock_init (&r, NULL) != 0)
+    {
+      puts ("rwlock_init failed");
+      return 1;
+    }
+
+  if (pthread_rwlock_wrlock (&r) != 0)
+    {
+      puts ("rwlock_wrlock failed");
+      return 1;
+    }
+
+  if (pthread_mutex_lock (&m) != 0)
+    {
+      puts ("mutex_lock failed");
+      return 1;
+    }
+
+  /* Set an alarm for 1 second.  The wrapper will expect this.  */
+  alarm (1);
+
+  if (pthread_create (&th, NULL, tf, NULL) != 0)
+    {
+      puts ("create failed");
+      return 1;
+    }
+
+  /* This call should never return.  */
+  pthread_mutex_lock (&m);
+
+  puts ("2nd mutex_lock returned");
+  return 1;
+}
+
+#define EXPECTED_SIGNAL SIGALRM
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"