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

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: 

quoted

On Wed, Apr 15, 2015 at 8:29 PM, Johannes Sixt <j...@kdbg.org 

<javascript:>> wrote: 

quoted

quoted

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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