MirBSD manpage: shutdown(2)

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


     shutdown - shut down part of a full-duplex connection


     #include <sys/types.h>
     #include <sys/socket.h>

     shutdown(int s, int how);


     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, further re-
     ceives will be disallowed. If how is SHUT_WR, further sends will be
     disallowed. If how is SHUT_RDWR, further sends and receives will be


     A 0 is returned if the call succeeds, -1 if it fails.


     The call succeeds unless:

     [EINVAL]      how is not SHUT_RD, SHUT_WR, or SHUT_RDWR.

     [EBADF]       s is not a valid descriptor.

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

     [ENOTCONN]    The specified socket is not connected.


     connect(2), socket(2)


     The shutdown() function call appeared in 4.2BSD. The how arguments used
     to be simply 0, 1, and 2, but now have named values as specified by
     X/Open Portability Guide Issue 4 ("XPG4").

MirBSD #10-current               June 4, 1993                                1

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