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-rw-r--r--lib/kernel/doc/src/gen_sctp.xml31
1 files changed, 25 insertions, 6 deletions
diff --git a/lib/kernel/doc/src/gen_sctp.xml b/lib/kernel/doc/src/gen_sctp.xml
index dacea7a239..986260638d 100644
--- a/lib/kernel/doc/src/gen_sctp.xml
+++ b/lib/kernel/doc/src/gen_sctp.xml
@@ -496,9 +496,11 @@
orthogonal to the sets of TCP, UDP and generic INET options:
only those options which are explicitly listed below are allowed
for SCTP sockets. Options can be set on the socket using
- <c>gen_sctp:open/1,2</c> or <c>inet:setopts/2</c>,
- retrieved using <c>inet:getopts/2</c>, and when calling
- <c>gen_sctp:connect/4,5</c> options can be changed.</p>
+ <seealso marker="#open/1"><c>gen_sctp:open/1,2</c></seealso>
+ or <seealso marker="inet#setopts/2"><c>inet:setopts/2</c></seealso>,
+ retrieved using <seealso marker="inet#getopts/2"><c>inet:getopts/2</c></seealso>,
+ and when calling <seealso marker="#connect/4"><c>gen_sctp:connect/4,5</c></seealso>
+ options can be changed.</p>
<marker id="option-binary"></marker>
<marker id="option-list"></marker>
<taglist>
@@ -507,7 +509,7 @@
<p>Determines the type of data returned from <c>gen_sctp:recv/1,2</c>.</p>
<marker id="option-active"></marker>
</item>
- <tag><c>{active, true|false|once}</c></tag>
+ <tag><c>{active, true|false|once|N}</c></tag>
<item>
<list type="bulleted">
<item>
@@ -524,11 +526,28 @@
</item>
<item>
<p>If <c>once</c>, only one message is automatically placed
- in the message queue, after that the mode is automatically
- re-set to passive. This provides flow control as well as
+ in the message queue, and after that the mode is automatically
+ reset to passive. This provides flow control as well as
the possibility for the receiver to listen for its incoming
SCTP data interleaved with other inter-process messages.</p>
</item>
+ <item>
+ <p>If <c>active</c> is specified as an integer <c>N</c> in the
+ range -32768 to 32767 (inclusive), then that number is added to
+ the socket's count of the number of data messages to be
+ delivered to the controlling process. If the result of the
+ addition would be negative, the count is set to 0. Once the
+ count reaches 0, either through the delivery of messages or by
+ being explicitly set with <seealso
+ marker="inet#setopts/2">inet:setopts/2</seealso>, the socket's
+ mode is automatically reset to passive (<c>{active,
+ false}</c>) mode. When a socket in this active mode transitions to
+ passive mode, the message <c>{sctp_passive, Socket}</c> is sent
+ to the controlling process to notify it that if it wants to
+ receive more data messages from the socket, it must call
+ <seealso marker="inet#setopts/2">inet:setopts/2</seealso> to set
+ the socket back into an active mode.</p>
+ </item>
</list>
</item>
<tag><c>{tos, integer()}</c></tag>