Re: Thread Safe ...

On Tue, Jan 29, 2013 at 4:32 PM, Lester Caine <lester@lsces.co.uk> wrote: > Ferenc Kovacs wrote: > >> On Tue, Jan 29, 2013 at 1:29 PM, Lester Caine <lester@lsces.co.uk> wrote: >> >> Can someone please fill in a little information here. When we start >>> looking at multiple threads doing for example database lookups in >>> parallel >>> with the main page generation. Does that involve 'thread safe' or is it >>> done in a different way? Scheduling a data lookup on one thread while >>> building the page the information is to be displayed on seems like a case >>> for threading in the web server? >>> >>> >>> we don't have threads in userspace in php, sou you can't do concurrent >> execution of any function, but there are a couple of extensions providing >> some way for concurrent/async execution. >> for the scenario what you described one can use multiple db connections >> and >> async queries >> http://www.php.net/manual/en/**mysqli.poll.php#refsect1-** >> >> mysqli.poll-examplesfor<http://www.php.net/manual/en/mysqli.poll.php#refsect1-mysqli.poll-examplesfor> >> mysql >> or just a single connection and doing some other work (like rendering the >> layout) while waiting for the results. >> if you are interested in a generic solution for concurrent execution you >> could look into �V��Qxw�$E$��v >> http://php.net/manual/en/book.**pthreads.php<http://php.net/manual/en/book.pthreads.php> >> > > Thanks ... > That confirms what I thought. In order to add concurrent operations which > to my mind are of more use than 'accessors' we do need ZTS mode enabled. > This is I think a perfectly valid reason for wanting to maintain ZTS in the > future? > > Yeah, and this was quickly accepted/agreed by Zeev as a reasonable usecase when it was brought up in the other thread. -- Ferenc Kovács @Tyr43l - http://tyrael.hu