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bug#34821: discard_input_tty does not discard pending input, resulting i
bug#34821: discard_input_tty does not discard pending input, resulting in garbage inserted into the buffer
Sun, 07 Apr 2019 22:25:28 +0300
> From: Platon Pronko <address@hidden>
> Date: Sun, 7 Apr 2019 22:06:23 +0300
> > What do you mean by "run concurrently"? Emacs is pretty much a single
> > threaded program, and there's only one Lisp thread running at any
> > given time, which will execute both calls.
> My knowledge of Emacs internals is pretty thin indeed. But since adding
> sleep-for results in reordering of events, I thought that there are at least
> different threads that compete for execution (concurrent, maybe not
> parallel). Also I noticed that for example read_char() calls can block for
> quite a lot of time, while Lisp code continues to run. Perhaps there is one
> Lisp thread and some other background C threads?
No, there's just one thread. The only other one I can think of is the
code of xterm itself.