[fpc-pascal] Main thread wait and CheckSynchronize
brad at wasp.net.au
Mon May 17 17:24:04 CEST 2010
Jonas Maebe wrote:
> On 17 May 2010, at 16:00, Brad Campbell wrote:
>> I wish there was a way for a thread to asynchronously notify the main
>> thread there is a Synchronize() pending. On Linux I can insert an fd()
>> for a pipe into the gtk event loop and poke data into the pipe from
>> the thread. It's incredibly efficient and saves all the waiting and
>> polling. I've not worked out how to do this on OSX or Win32 yet though.
> If you use the timeout parameter from CheckSynchronize, you do get that
> effect (if you pass high(longint) as timeout, then you only "poll" if
> nothing happened for 2^31 miliseconds, which is about 24 days).
Err. yeah, but doesn't checksynchronize block until either an event or the timeout?
I'd have thought that would destroy your GUI interactivity.
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