On Thu, 2 Sep 2004 23:31:22 +0100, Tim Bunce <[EMAIL PROTECTED]> wrote: > On Thu, Sep 02, 2004 at 01:52:59PM +0100, Matt Sergeant wrote: > > On 1 Sep 2004, at 03:13, david nicol wrote: > > >Based on this comment I would like to extend the proposed extension > > >to include an optional $h->fileno() method[...] > > > ... > > > buildselectvectors(@Listeners,@Clients,@Callbacks); > > > select ... > > > > > >An array ref rather than one number, so handles that have multiple > > >connections open can report them all. > > > > Yes, this would work. Having each DBD implement their own internal > > select() wouldn't work as well, because two event loops are worse than > > one. > > I haven't had a chance to read through all the comments in this thread yet, > but I'll point out two flies in the ointment: > > 1. Many database API's don't offer access to the filehandle.
And some API's don't even use files for communicating with the database server. Informix can use shared memory connections -- and uses semaphores for synchronization. -- Jonathan Leffler <[EMAIL PROTECTED]> #include <disclaimer.h> Guardian of DBD::Informix - v2003.04 - http://dbi.perl.org "I don't suffer from insanity - I enjoy every minute of it."
