OpenEuphoria

RE: Threads?

• Posted by Kat <kat at kogeijin.com> Oct 10, 2002
• 382 views

On 10 Oct 2002, at 7:30, Andy Serpa wrote:

> 
> 
> jbrown105 at speedymail.org wrote:
> > On  0, Kat <kat at kogeijin.com> wrote:
> > > 
> > > On 9 Oct 2002, at 22:56, Robert Craig wrote:
> > > 
> > > > 
> > > > Kat writes:
> > > > > Other than socks or dde, is there 
> > > > > any way to signal the other process(es) that there is work to be done?
> > > > 
> > > > Have a look at Jordah Ferguson's demo where 
> > > > processes pass Euphoria data to each other via shared memory.
> > > > He uses a library developed by Mario Steele and Jason Mirwald.
> > > > I think jbrown was doing something similar on Linux.
> > > > A process could sleep() and periodically check a value in 
> > > > shared memory.
> > > 
> > > Sleep()ing isn't the same as an event trigger.
> > > 
> > > Kat
> > > 
> > 
> > No, but it comes close to emulating it.
> > 
> > Under *nix, you can also use signals as triggers, signals + shared 
> > memory
> > should od the trick: the signal can be the event trigger and the shared 
> > mem
> > can transfer the variable states shared between processes. (This is what I
> > tried to do, but I was unable to solve the race condition which tended to
> > corrupt the database. File locks and mutexes both failed for me, hence I
> > resorted to socks.)
> > 
> > Is there any similar mechanism to signals under Win32? You could use 
> > that
> > as the event trigger.
> > 
> > jbrown
> > 
> > 
> See my post "Fun with doEvents()" a couple dozen back -- that is a quick 
> & dirty way to run multiple procedures under win32lib...

That's all done in one application, i mean between separate Eu applications. 
What about the Eu code that presses buttons in other apps, can it trigger an 
on_whatever event in any other Eu application?

Kat