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socketpair (3)
  • socketpair (2) ( FreeBSD man: Системные вызовы )
  • socketpair (2) ( Русские man: Системные вызовы )
  • socketpair (2) ( Linux man: Системные вызовы )
  • >> socketpair (3) ( Solaris man: Библиотечные вызовы )
  • socketpair (3) ( POSIX man: Библиотечные вызовы )
  •  

    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.h(3HEAD), attributes(5)  

    NOTES

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


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUES
    ERRORS
    ATTRIBUTES
    SEE ALSO
    NOTES


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