Re: [PATCH v7 11/17] run-command: allow stdin for run_processes_parallel

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On Sun, Jan 31, 2021 at 09:38:08PM -0800, Jonathan Tan wrote:
> 
> > diff --git a/run-command.c b/run-command.c
> > index ea4d0fb4b1..80c8c97bc1 100644
> > --- a/run-command.c
> > +++ b/run-command.c
> > @@ -1683,6 +1683,9 @@ static int pp_start_one(struct parallel_processes *pp)
> >  	if (i == pp->max_processes)
> >  		BUG("bookkeeping is hard");
> >  
> > +	/* disallow by default, but allow users to set up stdin if they wish */
> > +	pp->children[i].process.no_stdin = 1;
> > +
> 
> This makes sense. May be worth a more detailed comment, e.g.:
> 
>   By default, do not inherit stdin from the parent process. (If not, all
>   children would share it!) Users may overwrite this by having the
>   get_next_task function assign 0 to no_stdin and an appropriate integer
>   to in.

Thanks, took it slightly modified:

 /*
  * By default, do not inherit stdin from the parent process - otherwise,
  * all children would share stdin! Users may overwrite this to provide
  * something to the child's stdin by having their 'get_next_task'
  * callback assign 0 to .no_stdin and an appropriate integer to .in.
  */

 - Emily



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