shutdown man page on Archlinux

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SHUTDOWN(2)		   Linux Programmer's Manual		   SHUTDOWN(2)

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

SYNOPSIS
       #include <sys/socket.h>

       int shutdown(int sockfd, int how);

DESCRIPTION
       The  shutdown()	call causes all or part of a full-duplex connection on
       the socket associated with sockfd to be shut down.  If how is  SHUT_RD,
       further	receptions  will  be  disallowed.   If how is SHUT_WR, further
       transmissions will be disallowed.  If how is SHUT_RDWR, further	recepÔÇÉ
       tions and transmissions will be disallowed.

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

ERRORS
       EBADF  sockfd is not a valid descriptor.

       EINVAL An invalid value was specified in how (but see BUGS).

       ENOTCONN
	      The specified socket is not connected.

       ENOTSOCK
	      sockfd 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 <sys/socket.h> since glibc-2.1.91.

BUGS
       As currently implemented, checks for the validity of how	 are  done  in
       domain-specific	code,  and not all domains perform these checks.  Most
       notably, UNIX domain sockets simply ignore  invalid  values;  this  may
       change in the future.

SEE ALSO
       connect(2), socket(2), socket(7)

COLOPHON
       This  page  is  part of release 3.65 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				  2012-09-06			   SHUTDOWN(2)
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