support _BSD_SOURCE feature test macro

[musl] / include / netinet / tcp.h

diff --git a/include/netinet/tcp.h b/include/netinet/tcp.h
index c8a1a4b..797ce68 100644 (file)
--- a/include/netinet/tcp.h
+++ b/include/netinet/tcp.h
@@ -2,5 +2,22 @@
 #define _NETINET_TCP_H
 
 #define TCP_NODELAY 1
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#include <sys/types.h>
+#include <sys/socket.h>
+#define TCP_MAXSEG      2
+#define TCP_CORK        3
+#define TCP_KEEPIDLE    4
+#define TCP_KEEPINTVL   5
+#define TCP_KEEPCNT     6
+#define TCP_SYNCNT      7
+#define TCP_LINGER2     8
+#define TCP_DEFER_ACCEPT 9
+#define TCP_WINDOW_CLAMP 10
+#define TCP_INFO        11
+#define        TCP_QUICKACK     12
+#define TCP_CONGESTION  13
+#define TCP_MD5SIG      14
+#endif
 
 #endif