1 files changed, 20 insertions, 0 deletions
diff --git a/libc/src/pthread/pthread_rwlock_wrlock.h b/libc/src/pthread/pthread_rwlock_wrlock.h
new file mode 100644
index 000000000000..ba77c1f1f09a
--- /dev/null
+++ b/libc/src/pthread/pthread_rwlock_wrlock.h
@@ -0,0 +1,20 @@
+//===-- Implementation header for Rwlock's wrlock function -------*- C++-*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC_PTHREAD_PTHREAD_RWLOCK_WRLOCK_H
+#define LLVM_LIBC_SRC_PTHREAD_PTHREAD_RWLOCK_WRLOCK_H
+
+#include <pthread.h>
+
+namespace LIBC_NAMESPACE {
+
+int pthread_rwlock_wrlock(pthread_rwlock_t *rwlock);
+
+} // namespace LIBC_NAMESPACE
+
+#endif // LLVM_LIBC_SRC_PTHREAD_PTHREAD_RWLOCK_WRLOCK_H