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-rw-r--r--lib/libc/sys/socket.263
1 files changed, 50 insertions, 13 deletions
diff --git a/lib/libc/sys/socket.2 b/lib/libc/sys/socket.2
index 74730be..c0b1bdc 100644
--- a/lib/libc/sys/socket.2
+++ b/lib/libc/sys/socket.2
@@ -57,24 +57,30 @@ These families are defined in the include file
The currently understood formats are:
.Pp
.Bd -literal -offset indent -compact
-PF_LOCAL Host-internal protocols, formerly called PF_UNIX,
-PF_UNIX Host-internal protocols, deprecated, use PF_LOCAL,
+PF_LOCAL Host-internal protocols (alias for PF_UNIX),
+PF_UNIX Host-internal protocols,
PF_INET Internet version 4 protocols,
-PF_PUP PUP protocols, like BSP,
-PF_APPLETALK AppleTalk protocols,
-PF_ROUTE Internal Routing protocol,
+PF_INET6 Internet version 6 protocols,
+PF_ROUTE Internal routing protocol,
PF_LINK Link layer interface,
-PF_IPX Novell Internet Packet eXchange protocol,
-PF_RTIP Help Identify RTIP packets,
-PF_PIP Help Identify PIP packets,
-PF_ISDN Integrated Services Digital Network,
PF_KEY Internal key-management function,
-PF_INET6 Internet version 6 protocols,
-PF_NATM Native ATM access,
-PF_ATM ATM,
-PF_NETGRAPH Netgraph sockets
+PF_NATM Asynchronous transfer mode protocols,
+PF_NETGRAPH Netgraph sockets,
+PF_IEEE80211 IEEE 802.11 wireless link-layer protocols (WiFi),
+PF_BLUETOOTH Bluetooth protocols,
+PF_INET_SDP OFED socket direct protocol (IPv4),
+PF_INET6_SDP OFED socket direct protocol (IPv6)
.Ed
.Pp
+Each protocol family is connected to an address family, which has the
+same name except that the prefix is
+.Dq Dv AF_
+in place of
+.Dq Dv PF_ .
+Other protocol families may be also defined, beginning with
+.Dq Dv PF_ ,
+with corresponding address families.
+.Pp
The socket has the indicated
.Fa type ,
which specifies the semantics of communication.
@@ -307,6 +313,37 @@ The socket type is not supported by the protocol.
.%B PS1
.%N 8
.Re
+.Sh STANDARDS
+The
+.Fn socket
+function conforms to
+.St -p1003.1-2008 .
+The
+.Tn POSIX
+standard specifies only the
+.Dv AF_INET ,
+.Dv AF_INET6 ,
+and
+.Dv AF_UNIX
+constants for address families, and requires the use of
+.Dv AF_*
+constants for the
+.Fa domain
+argument of
+.Fn socket .
+The
+.Dv SOCK_CLOEXEC
+flag is expected to conform to the next revision of the
+.Tn POSIX
+standard.
+The
+.Dv SOCK_RDM
+.Fa type ,
+the
+.Dv PF_*
+constants, and other address families are
+.Fx
+extensions.
.Sh HISTORY
The
.Fn socket
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