OpenEuphoria

Re: Parallelling system_exec

• Posted by "Juergen Luethje" <j.lue at gmx.de> Jun 28, 2004
• 422 views

Andy wrote:

> Patrick Barnes wrote:
>>
>> Wait....
>>
>> I'm writing a script that just has to call an executeable roughly 20
>> times. All I want is for the code to return immediately from the
>> system call, not wait for the executeable to finish (most of the time
>> is on the server).
>>
>> There are no gui elements to this script at all... I don't want to be
>> shackled to a gui library.
>>
>
> The code I provided does just that -- allows you to run a program
> without waiting on a return value.  No GUI is needed, but it does use
> the Windows API and Bernie's windows engine.  To run something several
> times without any interaction, just do:
>
> }}}
<eucode>
> handle = child_process("program.exe")
> child_close(handle)
> handle = child_process("program.exe")
> child_close(handle)
> handle = child_process("program.exe")
> child_close(handle)
> handle = child_process("program.exe")
> child_close(handle)
> </eucode>
{{{

>
> All 4 instances will start up nearly simulataneously, and the calling
> program can go ahead and exit if desired...

Why not use system()? It also calls the child processes asynchronously,
or am I missing something? The following code works fine on my system
(Windows 98):

system("explorer.exe.", 2)
system("calc.exe.", 2)
system("notepad.exe.", 2)
system("charmap.exe.", 2)

Regards,
   Juergen