1 files changed, 34 insertions, 0 deletions
diff --git a/sysdeps/htl/pt-rwlock-rdlock.c b/sysdeps/htl/pt-rwlock-rdlock.c
new file mode 100644
index 0000000000..db57c1e844
--- /dev/null
+++ b/sysdeps/htl/pt-rwlock-rdlock.c
@@ -0,0 +1,34 @@
+/* Acquire a rwlock for reading.  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 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <pthread.h>
+#include <pt-internal.h>
+
+/* Implemented in pt-rwlock-timedrdlock.c.  */
+extern int __pthread_rwlock_timedrdlock_internal (struct __pthread_rwlock
+						  *rwlock,
+						  const struct timespec
+						  *abstime);
+
+/* Acquire RWLOCK for reading, block if we can't get it.  */
+int
+__pthread_rwlock_rdlock (struct __pthread_rwlock *rwlock)
+{
+  return __pthread_rwlock_timedrdlock_internal (rwlock, 0);
+}
+weak_alias (__pthread_rwlock_rdlock, pthread_rwlock_rdlock);