Please note: Many features of this site require JavaScript. You appear to have JavaScript disabled, or are running a non-JavaScript capable web browser.
To get the best experience, please enable JavaScript or download a modern web browser such as Internet Explorer 8, Firefox, Safari, or Google Chrome.
Shuts down a socket connection in the manner indicated by HOW, which has the same interpretation as in the syscall of the same name.
This is useful with sockets when you want to tell the other side you're done writing but not done reading, or vice versa. It's also a more insistent form of close because it also disables the file descriptor in any forked copies in other processes.
Returns 1
for success; on error, returns undef if
the first argument is not a valid filehandle, or returns 0
and sets
$!
for any other failure.
