Re: wait_reading_process_ouput hangs in certain cases (w/ patches)

[Paul Eggert]

On 11/06/2017 08:34 AM, Eli Zaretskii wrote:
> When we call emacs_read in other cases in
> that function, the result is an ssize_t, a signed type of the same
> width as size_t.

As a minor point, POSIX does not require that ssize_t be the same width 
as size_t, or that ptrdiff_t be the same width as size_t. Emacs has run 
(and as far as I know, still would run) on unusual platforms where 
ssize_t is narrower than size_t.