shutdown man page on Darwin

shutdown man page on Darwin

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SHUTDOWN(2)		    BSD System Calls Manual		   SHUTDOWN(2)

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

SYNOPSIS
     #include <sys/socket.h>

     int
     shutdown(int socket, int how);

DESCRIPTION
     The shutdown() call causes all or part of a full-duplex connection on the
     socket associated with socket to be shut down.  If how is SHUT_RD, fur‐
     ther receives will be disallowed.	If how is SHUT_WR, further sends will
     be disallowed.  If how is SHUT_RDWR, further sends and receives will be
     disallowed.

RETURN VALUES
     The shutdown() function returns the value 0 if successful; otherwise the
     value -1 is returned and the global variable errno is set to indicate the
     error.

ERRORS
     The call succeeds unless:

     [EBADF]		Socket is not a valid descriptor.

     [EINVAL]		The how argument is invalid.

     [ENOTCONN]		The specified socket is not connected.

     [ENOTSOCK]		Socket is a file, not a socket.

SEE ALSO
     connect(2), socket(2)

HISTORY
     The shutdown() function call appeared in 4.2BSD.

4.2 Berkeley Distribution	 June 4, 1993	     4.2 Berkeley Distribution

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