NAME    [Toc]    [Back]

       shutdown - shut down part of a full-duplex connection

SYNOPSIS    [Toc]    [Back]

       #include <sys/socket.h>

       int shutdown(int s, int how);

DESCRIPTION    [Toc]    [Back]

       The shutdown call causes all or part of a full-duplex connection on the
       socket associated with s to  be	shut  down.   If  how  is  0,  further
       receives will be disallowed.  If how is 1, further sends will be disallowed.
  If how is 2, further sends and receives will be disallowed.

RETURN VALUE    [Toc]    [Back]

       On success, zero is returned.  On error, -1 is returned, and  errno  is
       set appropriately.

ERRORS    [Toc]    [Back]

       EBADF  s is not a valid descriptor.

       ENOTSOCK    [Toc]    [Back]
	      s is a file, not a socket.

       ENOTCONN    [Toc]    [Back]
	      The specified socket is not connected.

CONFORMING TO    [Toc]    [Back]

       4.4BSD (the shutdown function call first appeared in 4.2BSD).

BUGS    [Toc]    [Back]

       The  numerical  how flags should be replaced by the Single Unixmandated
 SHUT_RD, SHUT_WR, and SHUT_RDWR flags.

SEE ALSO    [Toc]    [Back]

       connect(2), socket(2)



BSD Man Page			  1993-07-24			   SHUTDOWN(2)