Re: Starting a subprocess in stopped state

[Eli Zaretskii]

> From: Davis Herring <address@hidden>
> Date: Mon, 8 May 2017 10:41:28 -0600
> Cc: Daiki Ueno <address@hidden>
> 
> > Also, not reading the Emacs end of the pipe, while the process runs is
> > probably going to get is to undefined behavior in some situations,
> > especially with multithreaded processes.
> 
> I don't think it's undefined behavior -- you may just hang (one or more 
> threads of) the subprocess.

Well, that's what I meant by "undefined" -- the exact result depends
on factors beyond our control, some of them depend on the program
being run, some on the OS and its configuration (like the size of the
pipe buffer).