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Mac OS X / Darwin man pages : shutdown (2)
shutdown (2)

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Name

shutdown - shut down part of a full-duplex connection

Synopsis

#include <sys/socket.h>

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 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.

Diagnostics

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

Errors

The call succeeds unless:

[EBADF]
S is not a valid descriptor.

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

[ENOTCONN]
The specified socket is not connected.

See Also

connect(2) , socket(2)

History

The shutdown() function call appeared in 4.2BSD.

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