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-rw-r--r--doc/zmq_getsockopt.txt15
-rw-r--r--doc/zmq_setsockopt.txt14
-rw-r--r--doc/zmq_tcp.txt6
3 files changed, 32 insertions, 3 deletions
diff --git a/doc/zmq_getsockopt.txt b/doc/zmq_getsockopt.txt
index 128b733..5e3051e 100644
--- a/doc/zmq_getsockopt.txt
+++ b/doc/zmq_getsockopt.txt
@@ -329,6 +329,21 @@ Default value:: -1 (infinite)
Applicable socket types:: all
+ZMQ_IPV4ONLY: Retrieve IPv4-only socket override status
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Retrieve the underlying native socket type. A value of `1` will use IPv4
+sockets, while the default value of `0` will use IPv6 sockets. An IPv6 socket
+lets applications connect to and accept connections from both IPv4 and IPv6
+hosts.
+
+[horizontal]
+Option value type:: int
+Option value unit:: boolean
+Default value:: 1 (true)
+Applicable socket types:: all, when using TCP transports.
+
+
ZMQ_FD: Retrieve file descriptor associated with the socket
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The 'ZMQ_FD' option shall retrieve the file descriptor associated with the
diff --git a/doc/zmq_setsockopt.txt b/doc/zmq_setsockopt.txt
index f62a7e9..b06388c 100644
--- a/doc/zmq_setsockopt.txt
+++ b/doc/zmq_setsockopt.txt
@@ -321,6 +321,20 @@ Default value:: -1 (infinite)
Applicable socket types:: all
+ZMQ_IPV4ONLY: Use IPv4-only sockets
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Sets the underlying native socket type. A value of `1` will use IPv4 sockets,
+while the default value of `0` will use IPv6 sockets. An IPv6 socket lets
+applications connect to and accept connections from both IPv4 and IPv6 hosts.
+
+[horizontal]
+Option value type:: int
+Option value unit:: boolean
+Default value:: 1 (true)
+Applicable socket types:: all, when using TCP transports.
+
+
RETURN VALUE
------------
The _zmq_setsockopt()_ function shall return zero if successful. Otherwise it
diff --git a/doc/zmq_tcp.txt b/doc/zmq_tcp.txt
index 84ec6c8..a6d7be3 100644
--- a/doc/zmq_tcp.txt
+++ b/doc/zmq_tcp.txt
@@ -31,13 +31,13 @@ colon and the TCP port number to use.
An 'interface' may be specified by either of the following:
* The wild-card `*`, meaning all available interfaces.
-* The primary IPv4 address assigned to the interface, in its numeric
+* The primary IPv4 or IPv6 address assigned to the interface, in its numeric
representation.
* The interface name as defined by the operating system.
NOTE: Interface names are not standardised in any way and should be assumed to
be arbitrary and platform dependent. On Win32 platforms no short interface
-names exist, thus only the primary IPv4 address may be used to specify an
+names exist, thus only the primary IP address may be used to specify an
'interface'.
Connecting a socket
@@ -49,7 +49,7 @@ a colon and the TCP port number to use.
A 'peer address' may be specified by either of the following:
* The DNS name of the peer.
-* The IPv4 address of the peer, in it's numeric representation.
+* The IPv4 or IPv6 address of the peer, in it's numeric representation.
WIRE FORMAT