DragonFly On-Line Manual Pages

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SHUTDOWN(2) DragonFly System Calls Manual SHUTDOWN(2)
NAME
 shutdown -- shut down part of a full-duplex connection
LIBRARY
 Standard C Library (libc, -lc)
SYNOPSIS
 #include <sys/types.h>
 #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 the file descriptor s to be shut down. The how
 argument specifies the type of shutdown. Possible values are:
 SHUT_RD further receives will be disallowed.
 SHUT_WR further sends will be disallowed.
 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 shutdown() call fails if:
 [EBADF] The s argument is not a valid file descriptor.
 [EINVAL] The how argument is invalid.
 [ENOTCONN] The socket is not connected.
 [ENOTSOCK] The s argument does not refer to a socket.
SEE ALSO
 connect(2), socket(2)
STANDARDS
 The shutdown() function is expected to comply with IEEE Std 1003.1g-2000
 (``POSIX.1''), when finalized.
HISTORY
 The shutdown() function call appeared in 4.2BSD. The SHUT_RD, SHUT_WR,
 and SHUT_RDWR constants appeared in IEEE Std 1003.1g-2000 (``POSIX.1'').
DragonFly 4.3 February 27, 2001 DragonFly 4.3

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