X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsystemd.socket.xml;h=8394fa81aac5e7e65add6eaf7680de46aa624495;hp=5efb398b09d3f165dc91106b25a62c1c690b9d07;hb=06b643e7f5a3b79005dd57497897ab7255fe3659;hpb=209e9dcd7b2f23b68ff93bf20fad025bc03219ac;ds=sidebyside
diff --git a/man/systemd.socket.xml b/man/systemd.socket.xml
index 5efb398b0..8394fa81a 100644
--- a/man/systemd.socket.xml
+++ b/man/systemd.socket.xml
@@ -488,7 +488,7 @@
- KeepAliveTime=
+ KeepAliveTimeSec=
Takes time (in seconds) as argument . The connection needs to remain
idle before TCP starts sending keepalive probes. This controls the TCP_KEEPIDLE
socket option (see
@@ -500,7 +500,7 @@
- KeepAliveInterval=
+ KeepAliveIntervalSec=
Takes time (in seconds) as argument between individual keepalive probes,
if the socket option SO_KEEPALIVE has been set on this socket seconds as argument.
This controls the TCP_KEEPINTVL socket option (see
@@ -513,7 +513,7 @@
KeepAliveProbes=
- Takes interger as argument. It's the number of unacknowledged probes to
+ Takes integer as argument. It's the number of unacknowledged probes to
send before considering the connection dead and notifying the application layer.
This controls the TCP_KEEPCNT socket option (see
socket7
@@ -545,6 +545,47 @@
for details.).
+
+ DeferAcceptSec=
+
+ Takes time (in
+ seconds) as argument. If set, the
+ listening process will be awakened
+ only when data arrives on the socket,
+ and not immediately when connection is
+ established. When this option is set,
+ the
+ TCP_DEFER_ACCEPT
+ socket option will be used (see
+ tcp7),
+ and the kernel will ignore initial ACK
+ packets without any data. The argument
+ specifies the approximate amount of
+ time the kernel should wait for
+ incoming data before falling back to
+ the normal behaviour of honouring
+ empty ACK packets. This option is
+ beneficial for protocols where the
+ client sends the data first (e.g.
+ HTTP, in contrast to SMTP), because
+ the server process will not be woken
+ up unnecessarily before it can take
+ any action.
+
+
+ If the client also uses the
+ TCP_DEFER_ACCEPT
+ option, the latency of the initial
+ connection may be reduced, because the
+ kernel will send data in the final
+ packet establishing the connection
+ (the third packet in the "three-way
+ handshake").
+
+ Disabled by default.
+
+
+
ReceiveBuffer=
SendBuffer=