Re: [PATCH] compat/mingw: stubs for getpgid() and tcgetpgrp()

[rupert thurner <rupert.thurner@gmail.com>]

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On Thursday, April 16, 2015 at 2:45:11 PM UTC+2, Johannes Schindelin wrote:
>
> Hi kusma, 
>
> On 2015-04-15 21:43, Erik Faye-Lund wrote: 
> > On Wed, Apr 15, 2015 at 8:29 PM, Johannes Sixt <j...@kdbg.org 
> <javascript:>> wrote: 
> >> Windows does not have process groups. It is, therefore, the simplest 
> >> to pretend that each process is in its own process group. 
> > 
> > Windows does have some concept of process groups, but probably not 
> > quite what you want: 
> > 
> > 
> https://msdn.microsoft.com/en-us/library/windows/desktop/ms682083%28v=vs.85%29.aspx 
>
> Yes, and we actually need that in Git for Windows anyway because shooting 
> down a process does not kill its child processes: 
>
>
> https://github.com/git-for-windows/msys2-runtime/commit/15f209511985092588b171703e5046eba937b47b#diff-8753cda163376cee6c80aab11eb8701fR402 
>
> However, using this code for `getppid()` would be serious overkill (not to 
> mention an unbearable performance hit because you have to enumerate *all* 
> processes to get that information). 
>
>
is the windows "JobObject" similar to processgroup? at least killing the 
parent process in a jobobject will kill all childs as well:
https://msdn.microsoft.com/en-us/library/windows/desktop/ms681949%28v=vs.85%29.aspx 

best,
rupert
 

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