What is the point of create_thread_and_wait()?
Vaclav Haisman
V.Haisman@sh.cvut.cz
Sat Aug 6 07:16:00 GMT 2005
Thanks, I thought there was something I was missing.
VH
On Fri, 5 Aug 2005, Eric Blake wrote:
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> According to Vaclav Haisman on 8/5/2005 4:10 PM:
> > What is the point of create_thread_and_wait() in fhandler_netdrive::exists()?
> > Or anywhere at all? Why spawning a thread at all when we have to wait for the
> > task to finish immediately after it is started? I really would like to know,
> > even though it is probably just lack of knowledge on my side.
>
> Windows has the (nasty) habit of blocking EVERYTHING in the current
> thread, including ctrl-c, when doing lengthy network tasks. Spawning the
> blocking task to its own thread allows cygwin to still react to signals in
> the primary thread. This threading code was added to fhandler_netdrive
> due to complaints at the difficulty in stopping a runaway 'ls -F //' on
> large domains when // was first made a directory; search the archives from
> earlier this year for more details.
>
> - --
> Life is short - so eat dessert first!
>
> Eric Blake ebb9@byu.net
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