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authorJoseph Myers <joseph@codesourcery.com>2017-11-15 18:41:32 +0000
committerJoseph Myers <joseph@codesourcery.com>2017-11-15 18:41:32 +0000
commit78cde19f622cab74e3953c3d0139d51e1076108e (patch)
tree586d1dd536106fc4b7a5e700e716876cfe46e70e
parentfa680dc61455acdf8779d82c6f4bba5b48935c08 (diff)
downloadglibc-78cde19f622cab74e3953c3d0139d51e1076108e.tar.gz
Add MSG_ZEROCOPY from Linux 4.14 to bits/socket.h.
This patch adds the new MSG_ZEROCOPY constant from Linux 4.14 to the Linux bits/socket.h. Tested for x86_64. * sysdeps/unix/sysv/linux/bits/socket.h (MSG_ZEROCOPY): New enum constant and macro.
-rw-r--r--ChangeLog3
-rw-r--r--sysdeps/unix/sysv/linux/bits/socket.h2
2 files changed, 5 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 6ebdeedc24..f8f46ae45d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
2017-11-15 Joseph Myers <joseph@codesourcery.com>
+ * sysdeps/unix/sysv/linux/bits/socket.h (MSG_ZEROCOPY): New enum
+ constant and macro.
+
* sysdeps/unix/sysv/linux/bits/mman-linux.h
[__USE_MISC] (MADV_WIPEONFORK): New macro.
[__USE_MISC] (MADV_KEEPONFORK): Likewise.
diff --git a/sysdeps/unix/sysv/linux/bits/socket.h b/sysdeps/unix/sysv/linux/bits/socket.h
index a9d16e2bc8..168a8e5ccb 100644
--- a/sysdeps/unix/sysv/linux/bits/socket.h
+++ b/sysdeps/unix/sysv/linux/bits/socket.h
@@ -237,6 +237,8 @@ enum
#define MSG_WAITFORONE MSG_WAITFORONE
MSG_BATCH = 0x40000, /* sendmmsg: more messages coming. */
#define MSG_BATCH MSG_BATCH
+ MSG_ZEROCOPY = 0x4000000, /* Use user data in kernel path. */
+#define MSG_ZEROCOPY MSG_ZEROCOPY
MSG_FASTOPEN = 0x20000000, /* Send data in TCP SYN. */
#define MSG_FASTOPEN MSG_FASTOPEN