diff options
Diffstat (limited to 'lib/kernel/doc/src/inet.xml')
| -rw-r--r-- | lib/kernel/doc/src/inet.xml | 83 |
1 files changed, 73 insertions, 10 deletions
diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml index 5e33bbc3ff..1011befca0 100644 --- a/lib/kernel/doc/src/inet.xml +++ b/lib/kernel/doc/src/inet.xml @@ -118,6 +118,42 @@ fe80::204:acff:fe17:bf38 <name name="port_number"/> </datatype> <datatype> + <name name="family_address" since="OTP @OTP-15747@"/> + <desc> + <p> + A general address format on the form <c>{Family, Destination}</c> + where <c>Family</c> is an atom such as <c>local</c> + and the format of <c>Destination</c> depends on <c>Family</c>, + and is a complete address + (for example an IP address including port number). + </p> + </desc> + </datatype> + <datatype> + <name name="inet_address" since="OTP @OTP-15747@"/> + <desc> + <warning> + <p> + This address format is for now experimental + and for completeness to make all address families have a + <c>{Family, Destination}</c> representation. + </p> + </warning> + </desc> + </datatype> + <datatype> + <name name="inet6_address" since="OTP @OTP-15747@"/> + <desc> + <warning> + <p> + This address format is for now experimental + and for completeness to make all address families have a + <c>{Family, Destination}</c> representation. + </p> + </warning> + </desc> + </datatype> + <datatype> <name name="local_address"/> <desc> <p> @@ -180,12 +216,16 @@ fe80::204:acff:fe17:bf38 <name name="ancillary_data"/> <desc> <p> - Ancillary data received with the data packet - or read with the socket option + Ancillary data received with the data packet, + read with the socket option <seealso marker="gen_tcp#type-pktoptions_value"> <c>pktoptions</c> </seealso> - from a TCP socket. + from a TCP socket, + or to set in a call to + <seealso marker="gen_udp#send-4-AncData"><c>gen_udp:send/4</c></seealso> + or + <seealso marker="gen_udp#send/5"><c>gen_udp:send/5</c></seealso>. </p> <p> The value(s) correspond to the currently active socket @@ -193,7 +233,9 @@ fe80::204:acff:fe17:bf38 <seealso marker="inet#option-recvtos"><c>recvtos</c></seealso>, <seealso marker="inet#option-recvtclass"><c>recvtclass</c></seealso> and - <seealso marker="inet#option-recvttl"><c>recvttl</c></seealso>. + <seealso marker="inet#option-recvttl"><c>recvttl</c></seealso>, + or for a single send operation the option(s) to override + the currently active socket option(s). </p> </desc> </datatype> @@ -1010,13 +1052,34 @@ get_tcpi_sacked(Sock) -> <marker id="option-linger"></marker> </item> <tag><c>{linger, {true|false, Seconds}}</c></tag> - <item> + <item> <p>Determines the time-out, in seconds, for flushing unsent data - in the <c>close/1</c> socket call. If the first component of - the value tuple is <c>false</c>, the second is ignored. This - means that <c>close/1</c> returns immediately, not waiting - for data to be flushed. Otherwise, the second component is - the flushing time-out, in seconds.</p> + in the <c>close/1</c> socket call. </p> + <p>The first component is if linger is enabled, the second component + is the flushing time-out, in seconds. There are 3 alternatives:</p> + <taglist> + <tag><c>{false, _}</c></tag> + <item> + <p>close/1 or shutdown/2 returns immediately, + not waiting for data to be flushed, with closing + happening in the background.</p> + </item> + <tag><c>{true, 0}</c></tag> + <item> + <p>Aborts the connection when it is closed. + Discards any data still remaining in the send buffers + and sends RST to the peer.</p> + <p>This avoids TCP's TIME_WAIT state, but leaves open + the possibility that another "incarnation" of this connection + being created.</p> + </item> + <tag><c>{true, Time} when Time > 0</c></tag> + <item> + <p>close/1 or shutdown/2 will not return until + all queued messages for the socket have been successfully + sent or the linger timeout (Time) has been reached.</p> + </item> + </taglist> </item> <tag><c>{low_msgq_watermark, Size}</c></tag> <item> |