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Manpage of SHUTDOWN

SHUTDOWN

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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 SHUT_RD, further receptions will be disallowed. If how is SHUT_WR, further transmissions will be disallowed. If how is SHUT_RDWR, further receptions and transmissions will be disallowed.  

RETURN VALUE

On success, zero is returned. On error, -1 is returned, and errno is set appropriately.  

ERRORS

EBADF
s is not a valid descriptor.
ENOTSOCK
s is a file, not a socket.
ENOTCONN
The specified socket is not connected.
 

NOTES

The constants SHUT_RD, SHUT_WR, SHUT_RDWR have the value 0, 1, 2, respectively, and are defined in <sys/socket.h> since glibc-2.1.91.  

CONFORMING TO

4.4BSD (the shutdown function call first appeared in 4.2BSD).  

SEE ALSO

connect(2), socket(2)


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
NOTES
CONFORMING TO
SEE ALSO