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
Check Out this Related Man Page
shutdown(3SOCKET) Sockets Library Functions shutdown(3SOCKET)NAME
shutdown - shut down part of a full-duplex connection
SYNOPSIS
cc [ flag... ] file... -lsocket -lnsl [ library... ]
#include <sys/socket.h>
int shutdown(int s, int how);
DESCRIPTION
The shutdown() call shuts down all or part of a full-duplex connection on the socket associated with s. If how is SHUT_RD, further receives
are disallowed. If how is SHUT_WR, further sends are disallowed. If how is SHUT_RDWR, further sends and receives are disallowed.
The how values should be defined constants.
RETURN VALUES
0 is returned if the call succeeds.
-1 is returned if the call fails.
ERRORS
The call succeeds unless one of the following conditions exists:
EBADF The s value is not a valid file descriptor.
ENOMEM Insufficient user memory is available for the operation to complete.
ENOSR Insufficient STREAMS resources are available for the operation to complete.
ENOTCONN The specified socket is not connected.
ENOTSOCK The s value is not a socket.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|MT-Level |Safe |
+-----------------------------+-----------------------------+
SEE ALSO connect(3SOCKET), socket(3SOCKET), socket.h(3HEAD), attributes(5)SunOS 5.11 31 Jan 2005 shutdown(3SOCKET)
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:
my web site in the makeing is also wantin ga gane code for unix and well as a shut domne hwlp (3 Replies)
Is there any way to get the file descriptor statistics of a socket file descriptor? I know that the fstat, stat system calls are for this purpose, but I want to know it there any way to get socket connection statistics for a file descriptor(like socket flags, connection type etc).
Does /proc... (3 Replies)
Sorry if this is a stupid question!
I have been developing a Java application that I am deploying on both Unix and Linux servers, which uses lots of socket handling. When the server side connection is dropped by the server un-gracefully I have been seeing close_waits and null connections.
... (0 Replies)
Hi, i know how to use socket for TCP applications, i also know how to use RAW socket, but i would like to use socket just over IP and bellow TCP, do you know how to do that ?
i don't want to reimplement IP :)
thanks for your answer. (2 Replies)
Hi,
I wanted to write a socket program in C, where I always want my socket connected to the server. i.e i shouldn't get disconnected once i get the response back from the server. I want to work in the connected mode, instead of disconnect and connect.
Can somebody please kindly provide me a... (3 Replies)
Hi,
My name is Daniel and I'm spanish, so I'm sorry if you can't undertand something becouse of my low-level english.
Something stranger is happening to me with socket++ library and I don't know how to work on it.
I has a library called commands.so and the sslclient is and object of that... (4 Replies)
Hello,
I'm doing a very simple program which reads a file and sends whatever is in the file through a socket. Like the program "file2cable".
Let's say i have a file containing the following, which is a hex dump of an ARP request frame:
ff ff ff ff ff ff 00 1b 24 79 5a 73 08 06
00 01 08... (5 Replies)
Hi everyone,
Question for gurus:
Is there a way for us to determine the options used by a socket?
I basically want to know if SO_KEEPALIVE is enabled on a socket to know if the tcp_keepalive_abort_interval parameter will be used by that connection.
Was I clear enough? :confused:
... (0 Replies)
Hi,
i'm currently part of an apprenticeship becoming a IT specialist.
Because I'm already an electronic technician (finished apprenticeship) I can do this one in 2 years (normally you need 3).
Thing is, in school they started out with basic unix stuff (working with the shell) in the first... (3 Replies)
Hello community,
I'm programming a simple code using socket connection in perl:
$sock = new IO::Socket::INET(
PeerAddr => '192.168.10.7',
PeerPort => 8000,
Proto => 'tcp');
$sock or die "no socket :$!";Then sending data using a loop:
... (1 Reply)