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,
further 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 indi-
cate 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), connectx(2), disconnectx(2), socket(2)HISTORY
The shutdown() function call appeared in 4.2BSD.
4.2 Berkeley Distribution March 18, 2015 4.2 Berkeley Distribution
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SHUTDOWN(2) BSD System Calls Manual SHUTDOWN(2)NAME
shutdown -- shut down part of a full-duplex connection
LIBRARY
Standard C Library (libc, -lc)
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. The how argument speci-
fies which part of the connection will be shut down. Permissible 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
A 0 is returned if the call succeeds, -1 if it fails.
ERRORS
The call succeeds unless:
[EBADF] s is not a valid descriptor.
[EINVAL] The how argument is invalid.
[ENOTCONN] The specified socket is not connected.
[ENOTSOCK] s is a file, not a socket.
SEE ALSO connect(2), socket(2)HISTORY
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'').
BSD August 18, 2002 BSD
Dear all,
An ordinary user can shutdown the UNIX MACHINE ?
SCO UNIXWARE 7.0.
what has to be done to privilage for an ordinary user to SHUTDOWN the PC??
i would be thankful if i will get a solution.
with regards,
konda. (2 Replies)
Help unable to shutdown- RPC problems
I seem to have consistent problems shuting down whichever init state I use
basically I get the following errors messages followed by a return to the prompt
# shutdown -i6 -g0 -y
Shutdown started. Tue Oct 1 09:47:03 BST 2002
Broadcast Message from... (1 Reply)
weh i type in sudo shutdown nowit dose not le me shut down can i override this with out tyoing in -h :confused:
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