Sun Microsystems, Inc.
spacerspacer
spacer   www.sun.com docs.sun.com | | |  
spacer
black dot
   
A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z
    
 
Sockets Library Functionssocketpair(3SOCKET)


NAME

 socketpair - create a pair of connected sockets

SYNOPSIS

 
cc [ flag ... ] file ... -lsocket -lnsl [ library ... ]
#include <sys/types.h>
#include <sys/socket.h>
int socketpair(int domain, int type, int protocol, int sv[2]);

DESCRIPTION

 

The socketpair() library call creates an unnamed pair of connected sockets in the specified address family domain, of the specified type, that uses the optionally specified protocol. The descriptors that are used in referencing the new sockets are returned in sv[0] and sv[1]. The two sockets are indistinguishable.

RETURN VALUES

 

socketpair() returns -1 on failure and 0 on success.

ERRORS

 

The call succeeds unless:

EAFNOSUPPORT
The specified address family is not supported on this machine.
EMFILE
Too many descriptors are in use by this process.
ENOMEM
There was insufficient user memory for the operation to complete.
ENOSR
There were insufficient STREAMS resources for the operation to complete.
EOPNOTSUPP
The specified protocol does not support creation of socket pairs.
EPROTONOSUPPORT
The specified protocol is not supported on this machine.
EACCES
The process does not have appropriate privileges.

ATTRIBUTES

 

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPEATTRIBUTE VALUE
MT-LevelSafe

SEE ALSO

 

pipe(2), read(2), write(2), socket(3HEAD), attributes(5)

NOTES

 

This call is currently implemented only for the AF_UNIX address family.


SunOS 5.9Go To TopLast Changed 10 Jan 2001

 
      
      
Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.