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authorSzabolcs Nagy <nsz@port70.net>2017-11-26 22:53:48 +0000
committerRich Felker <dalias@aerifal.cx>2018-02-22 18:45:24 -0500
commit986bc21713b1c9b38d37356033c02aec188333bf (patch)
tree2fbea27ea79de23c6bbe8e353bdb4c5e4b1ecd15
parent404097a4ef4e5e776d6f7bf16e319e69e880469c (diff)
downloadmusl-986bc21713b1c9b38d37356033c02aec188333bf.tar.gz
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
-rw-r--r--include/sys/socket.h2
1 files changed, 2 insertions, 0 deletions
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