OpenEuphoria

Re: Using system() at Web Host

• Posted by Andy Serpa <ac at onehorseshy.com> Oct 12, 2005
• 466 views

cklester wrote:
> 
> I'm using system() to run a program (mailer.exu) when a link on my web page is
> clicked. The thing is, the program I run will be doing something like this:
> 
> }}}
<eucode>
> while TRUE do
>   -- do some stuff
>   sleep(300) -- sleep on it
>   if time_to_exit() then
>      exit
>   end if
> end while
> </eucode>
{{{

> 
> So it should stay active once the web server is done with the system() call,
> but it seems to hang, waiting for system() to return with something.  I know
> that should not be the case with system().
> 
> Any hints on how to track this down? It seems the mailer.exu program and the
> web server are intricately linked when they should not be.
> 
> -=ck
> "Programming in a state of EUPHORIA."
> <a
> href="http://www.cklester.com/euphoria/">http://www.cklester.com/euphoria/</a>
> 

Both system() and system_exec() hang waiting for the call to return (i.e. your
program to exit).  At least on Windows they do, and it sounds like your Linux
server acts the same way.  I don't know the API to get around it on Linux, but
I'm sure someone does?