1 files changed, 44 insertions, 0 deletions
diff --git a/sysdeps/htl/pt-rwlock-init.c b/sysdeps/htl/pt-rwlock-init.c
new file mode 100644
index 0000000000..0ef84320f9
--- /dev/null
+++ b/sysdeps/htl/pt-rwlock-init.c
@@ -0,0 +1,44 @@
+/* Initialize a rwlock.  Generic version.
+   Copyright (C) 2002-2018 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If
+   not, see <http://www.gnu.org/licenses/>.  */
+
+#include <pthread.h>
+#include <string.h>
+#include <pt-internal.h>
+
+int
+_pthread_rwlock_init (pthread_rwlock_t *rwlock,
+		      const pthread_rwlockattr_t *attr)
+{
+  *rwlock = (pthread_rwlock_t) __PTHREAD_RWLOCK_INITIALIZER;
+
+  if (attr == NULL
+      || memcmp (attr, &__pthread_default_rwlockattr, sizeof (*attr) == 0))
+    /* Use the default attributes.  */
+    return 0;
+
+  /* Non-default attributes.  */
+
+  rwlock->__attr = malloc (sizeof *attr);
+  if (rwlock->__attr == NULL)
+    return ENOMEM;
+
+  *rwlock->__attr = *attr;
+  return 0;
+}
+
+strong_alias (_pthread_rwlock_init, pthread_rwlock_init);