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Article #12884

Re: Wait for a CreateProcess spawned application to terminate...

#12884
From: Ed Mulroy [TeamB]
Date: Wed, 12 Nov 2003 02:10
37 lines
2436 bytes
Code to do that and a description are here:

bcbdev.com FAQ's
#71 Launch another program
http://www.bcbdev.com/faqs/faq71.htm

.  Ed

> Conny H�kansson wrote in message
> news:3fb19517@newsgroups.borland.com...
>
> Im currently using CreateProcess to spawn an external
> application. The application does this several times in a
> loop that reads info from a file.
>
> foreach line read, the application is to spawn an external
> application togheter with the info read from the file.
> Now, this has to be done in an orderly fashion, that is, i
> have to be sure that the first call to CreateProcess has
> finished before i call it again.
>
> The CreateProcess is terrible, in the aspect that its quite
> complex compared to old fashioned WinExec.
> But i hope the additional functionality to control what is
> spawned compensate for the increased complexity.
>
> So now im trying to figure out how to asure myself that the
> spawn application has terminated, before continuing with the
> next process. I was loo�king in the PROCESS_INFORMATION
> structure, but im not sure i f i can use any of those for
> checking the lifetmie of the process that is spawned.
> I guess that the Handles and ProcessIds will remain the
> value, and jsut become invalid as far as the OS is concerned.
> So checking them for a zero value would be meaningless,
> right???
>
> So how would a professional solve this???
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From: "Ed Mulroy [TeamB]" <dont_email_me@bitbuc.ket>
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Subject: Re: Wait for a CreateProcess spawned application to terminate...
Date: Tue, 11 Nov 2003 21:10:10 -0500
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