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-rw-r--r--lib/kernel/doc/src/inet.xml12
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml
index ed775d67eb..9fc361a234 100644
--- a/lib/kernel/doc/src/inet.xml
+++ b/lib/kernel/doc/src/inet.xml
@@ -1039,6 +1039,18 @@ setcap cap_sys_admin,cap_sys_ptrace,cap_dac_read_search+epi beam.smp</code>
is turned on for the socket, which means that also small
amounts of data are sent immediately.</p>
</item>
+ <tag><c>{nopush, Boolean}</c>(TCP/IP sockets)</tag>
+ <item>
+ <p>This translates to <c>TCP_NOPUSH</c> on BSD and
+ to <c>TCP_CORK</c> on Linux.</p>
+ <p>If <c>Boolean == true</c>, the corresponding option
+ is turned on for the socket, which means that small
+ amounts of data are accumulated until a full MSS-worth
+ of data is available or this option is turned off.</p>
+ <p>Note that while <c>TCP_NOPUSH</c> socket option is available on OSX, its semantics
+ is very different (e.g., unsetting it does not cause immediate send
+ of accumulated data). Hence, <c>nopush</c> option is intentionally ignored on OSX.</p>
+ </item>
<tag><c>{packet, PacketType}</c>(TCP/IP sockets)</tag>
<item>
<p><marker id="packet"/>Defines the type of packets to use for a socket.