Re: [PATCH 6/8] run-command: add an asynchronous parallel child processor

>
> I can't quite parse the first sentence in this paragraph. Perhaps something
> like this:
>
> To detect when a child has finished executing, we check interleaved
> with other actions (such as checking the liveliness of children or
> starting new processes) whether the stderr pipe still exists. Once a
> child closed its stderr stream, we assume it is terminating very soon,
> and use finish_command() from the single external process execution
> interface to collect the exit status.

>
>
>>
>> By maintaining the strong assumption of stderr being open until the
>> very end of a child process, we can avoid other hassle such as an
>> implementation using `waitpid(-1)`, which is not implemented in Windows.
>>
>> Signed-off-by: Stefan Beller <sbeller@google.com>
>
>