feat: implement header for sched_macros

Author: krishna2803

libc/hdr/CMakeLists.txt

@@ -72,6 +72,15 @@ add_proxy_header_library(
     libc.include.fenv
 )
 
+add_proxy_header_library(
+  sched_macros
+  HDRS
+    sched_macros.h
+  FULL_BUILD_DEPENDS
+    libc.include.sched
+    libc.include.llvm-libc-macros.sched_macros
+)
+
 add_proxy_header_library(
   signal_macros
   HDRS

libc/hdr/sched_macros.h

@@ -0,0 +1,22 @@
+//===-- Definition of macros from sched.h ---------------------------------===//
+//
+// 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_HDR_SCHED_MACROS_H
+#define LLVM_LIBC_HDR_SCHED_MACROS_H
+
+#ifdef LIBC_FULL_BUILD
+
+#include "include/llvm-libc-macros/sched-macros.h"
+
+#else // Overlay mode
+
+#include <sched.h>
+
+#endif // LLVM_LIBC_FULL_BUILD
+
+#endif // LLVM_LIBC_HDR_SCHED_MACROS_H