SHUTDOWN(2)		   Linux Programmers Manual		  SHUTDOWN(2)



NAME
       shutdown - shut down part of a full-duplex connection

SYNOPSIS
       #include 

       int shutdown(int s, int how);

DESCRIPTION
       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 SHUT_RD,  fur
       ther  receptions will be disallowed.  If how is SHUT_WR, further trans
       missions will be disallowed.  If how is SHUT_RDWR,  further  receptions
       and transmissions will be disallowed.

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

ERRORS
       EBADF  s is not a valid descriptor.

       ENOTCONN
	      The specified socket is not connected.

       ENOTSOCK
	      s is a file, not a socket.

CONFORMING TO
       POSIX.1-2001, 4.4BSD (the shutdown() function call  first  appeared  in
       4.2BSD).

NOTES
       The  constants  SHUT_RD,  SHUT_WR,  SHUT_RDWR  have  the value 0, 1, 2,
       respectively, and are defined in  since glibc-2.1.91.

SEE ALSO
       connect(2), socket(2)

COLOPHON
       This page is part of release 3.05 of the Linux  man-pages  project.   A
       description  of	the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.



Linux				  1993-07-24			   SHUTDOWN(2)