Manual page for SOCKETPAIR(2)
socketpair - create a pair of connected sockets
SYNOPSIS
#include <sys/types.h>
#include <sys/socket.h>
int socketpair(d, type, protocol, sv)
int d, type, protocol;
int sv[2];
DESCRIPTION
The
socketpair()
system call
creates an unnamed pair of connected sockets in
the specified address family
d,
of the specified
type
and using the optionally specified
protocol.
The descriptors used in referencing the new sockets
are returned in
sv[0]
and
sv[1].
The two sockets are indistinguishable.
RETURN VALUES
socketpair()
returns:
- 0
-
on success.
- -1
-
on failure and sets
errno
to indicate the error.
ERRORS
- EAFNOSUPPORT
-
The specified address family is not supported on this machine.
- EFAULT
-
The address
sv
does not specify a valid part of the
process address space.
- EMFILE
-
Too many descriptors are in use by this process.
- EOPNOSUPPORT
-
The specified protocol does not support creation of socket pairs.
- EPROTONOSUPPORT
-
The specified protocol is not supported on this machine.
SEE ALSO
pipe.2v
read.2v
write.2v
BUGS
This call is currently implemented only for the
AF_UNIX
address family.
Created by unroff & hp-tools.
© somebody (See intro for details). All Rights Reserved.
Last modified 11/5/97
