From 986bc21713b1c9b38d37356033c02aec188333bf Mon Sep 17 00:00:00 2001 From: Szabolcs Nagy Date: Sun, 26 Nov 2017 22:53:48 +0000 Subject: [PATCH] sys/socket.h: add MSG_ZEROCOPY from linux v4.14 MSG_ZEROCOPY socket send flag avoids copy in the kernel new in linux commit 52267790ef52d7513879238ca9fac22c1733e0e3 SO_ZEROCOPY socket option enables MSG_ZEROCOPY if availale new in linux commit 76851d1212c11365362525e1e2c0a18c97478e6b --- include/sys/socket.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/sys/socket.h b/include/sys/socket.h index 26d16bdf..507da5cc 100644 --- a/include/sys/socket.h +++ b/include/sys/socket.h @@ -232,6 +232,7 @@ struct linger { #define SO_COOKIE 57 #define SCM_TIMESTAMPING_PKTINFO 58 #define SO_PEERGROUPS 59 +#define SO_ZEROCOPY 60 #ifndef SOL_SOCKET #define SOL_SOCKET 1 @@ -285,6 +286,7 @@ struct linger { #define MSG_MORE 0x8000 #define MSG_WAITFORONE 0x10000 #define MSG_BATCH 0x40000 +#define MSG_ZEROCOPY 0x4000000 #define MSG_FASTOPEN 0x20000000 #define MSG_CMSG_CLOEXEC 0x40000000 -- 2.25.1