Re: [Quickfix-developers] Faster logons

[Brian E. <azz...@ya...>]

Well, then, just ignore my last message. Sounds like a tweaked Event
object will do the trick perfectly!

- Brian Erst

--- Oren Miller <or...@qu...> wrote:

> We actually do have a cross platform Event object that should do the
> trick with a little modification:
>
http://cvs.sourceforge.net/viewcvs.py/quickfix/quickfix/src/C%2B%2B/Event.h?rev=1.4&view=markup
> 
> It uses WaitForSingleObject and pthread_cond_timedwait.  It is
> hardcoded to wait for 100 milliseconds.  If we just add a wait()
> signature where we can pass in a value for the time, this class would
> probably be perfect.
> 
> --oren
>   ----- Original Message ----- 
>   From: Dale Wilson 
>   Cc: qui...@li... 
>   Sent: Thursday, November 03, 2005 12:54 PM
>   Subject: Re: [Quickfix-developers] Faster logons
> 
> 
>   Brian Erst wrote: 
> <SNIP>
> I would also suggest that the use of process_sleep is a bad idea -
> whenever I need to code a sleep-type function, I use a mutex and a
> WaitForSingleObject with the sleep time as the timeout. That way, I
> can
> interrupt the sleep (by triggering the mutex) if the reason for the
> sleep has gone away (or so I don't have to wait 30 seconds to bring
> my
> application down if I'm sleeping). Makes things much more responsive.
>   An excellent idea with one very important drawback. 
> WaitForSingleObject with a timeout is a WIN32 concept. 
>   It is possible, but not necessarily easy, to code an equivalent
> functionality on a posix system using pthread_cond_timedwait.
>   If QuickFIX were going to use this technique someone would have to
> beef up its cross-platform thread synchronization support.
> 
>   Dale
> 
> 
> - Brian Erst
> Thynk Software, Inc.
> 
> 
>   -- 
> 
> -----------------------------------------------------
>   Dale Wilson, Senior Software Engineer
>   Object Computing, Inc. (OCI)
>   http://www.ociweb.com/  http://www.theaceorb.com/
> ----------------------------------------------------