1 files changed, 76 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-mutex6.c b/sysdeps/pthread/tst-mutex6.c
new file mode 100644
index 0000000000..2b06d10586
--- /dev/null
+++ b/sysdeps/pthread/tst-mutex6.c
@@ -0,0 +1,76 @@
+/* Copyright (C) 2002-2020 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, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <pthread.h>
+#include <signal.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdbool.h>
+
+#ifndef TEST_FUNCTION
+static int do_test (void);
+# define TEST_FUNCTION do_test ()
+#endif
+#include "../test-skeleton.c"
+
+#ifndef ATTR
+pthread_mutexattr_t *attr;
+# define ATTR attr
+#endif
+
+#ifndef ATTR_NULL
+# define ATTR_NULL (ATTR == NULL)
+#endif
+
+static int
+do_test (void)
+{
+  pthread_mutex_t m;
+
+  int e = pthread_mutex_init (&m, ATTR);
+  if (!ATTR_NULL && e == ENOTSUP)
+    {
+      puts ("cannot support selected type of mutexes");
+      e = pthread_mutex_init (&m, NULL);
+    }
+  if (e != 0)
+    {
+      puts ("mutex_init failed");
+      return 1;
+    }
+
+  if (!ATTR_NULL && pthread_mutexattr_destroy (ATTR) != 0)
+    {
+      puts ("mutexattr_destroy failed");
+      return 1;
+    }
+
+  if (pthread_mutex_lock (&m) != 0)
+    {
+      puts ("1st mutex_lock failed");
+      return 1;
+    }
+
+  delayed_exit (1);
+  /* This call should never return.  */
+  xpthread_mutex_lock (&m);
+
+  puts ("2nd mutex_lock returned");
+  return 1;
+}