[libc] Add a skeleton for C standard condition variable functions.

This patch adds a skeleton as a preparatory step for the next patch which
adds the actual implementations of the condition variable functions.

Reviewed By: michaelrj

Differential Revision: https://reviews.llvm.org/D108947

1 files changed, 16 insertions, 0 deletions

diff --git a/libc/src/threads/linux/cnd_destroy.cpp b/libc/src/threads/linux/cnd_destroy.cpp
new file mode 100644
index 000000000000..ac8a852a9739
--- /dev/null
+++ b/libc/src/threads/linux/cnd_destroy.cpp
@@ -0,0 +1,16 @@
+//===-- Linux implementation of the cnd_destroy function ------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/threads/cnd_destroy.h"
+#include "src/__support/common.h"
+
+namespace __llvm_libc {
+
+LLVM_LIBC_FUNCTION(void, cnd_destroy, (cnd_t * cond)) { }
+
+} // namespace __llvm_libc