2 files changed, 11 insertions, 2 deletions

diff --git a/include/sys/select.h b/include/sys/select.h
index 7838041..9c3afa5 100644
--- a/include/sys/select.h
+++ b/include/sys/select.h
@@ -5,7 +5,9 @@
 
 #if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && defined(__OPTIMIZE__) && __OPTIMIZE__ > 0
 
-#ifndef __cplusplus
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 static __inline __attribute__((__always_inline__,__gnu_inline__))
 int __fortify_FD_CLR(int fd, fd_set *set)
@@ -32,6 +34,8 @@ int __fortify_FD_SET(int fd, fd_set *set)
 #undef FD_SET
 #define FD_SET(fd, set) __fortify_FD_SET(fd, set)
 
+#ifdef __cplusplus
+}
 #endif
 
 #endif
diff --git a/include/sys/socket.h b/include/sys/socket.h
index 4602866..81358fd 100644
--- a/include/sys/socket.h
+++ b/include/sys/socket.h
@@ -5,7 +5,10 @@
 
 #if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && defined(__OPTIMIZE__) && __OPTIMIZE__ > 0
 
-#ifndef __cplusplus
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #undef recv
 #undef recvfrom
 #undef send
@@ -61,6 +64,8 @@ ssize_t sendto(int sockfd, const void *buf, size_t n, int flags,
         return __sendto_orig(sockfd, buf, n, flags, sa, salen);
 }
 
+#ifdef __cplusplus
+}
 #endif
 
 #endif