From 82f1263db96c9e32f316dbb48d2c44e9e1713019 Mon Sep 17 00:00:00 2001
From: "chao.an" <anchao@xiaomi.com>
Date: Mon, 21 Sep 2020 11:50:55 +0800
Subject: [PATCH] sys/resource: include-able from C++ files

Change-Id: I914ab40495a25da184d0b7f8f8b1fa0d376c66a4
Signed-off-by: chao.an <anchao@xiaomi.com>
---
 include/sys/resource.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/include/sys/resource.h b/include/sys/resource.h
index 83a5d515bd..337a1ca7f3 100644
--- a/include/sys/resource.h
+++ b/include/sys/resource.h
@@ -115,10 +115,24 @@ struct rusage
  * Public Function Prototypes
  ****************************************************************************/
 
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C"
+{
+#else
+#define EXTERN extern
+#endif
+
 int  getpriority(int which, id_t who);
 int  getrlimit(int resource, FAR struct rlimit *rlp);
 int  getrusage(int who, FAR struct rusage *r_usage);
 int  setpriority(int which, id_t who, int value);
 int  setrlimit(int resource, FAR const struct rlimit *rlp);
 
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
 #endif /* __INCLUDE_SYS_RESOURCE_H */