Re: sit-for

[storm@cua.dk (Kim F. Storm)]

Chong Yidong <cyd@stupidchicken.com> writes:

> The other possibility is some kind of bad timer interaction, in which
> a timer is called during sit-for, but that timer itself contains a
> sit-for, so each sit-for never returns.  But that kind of bug would
> probably have affected the old sit-for implementation too, so this
> seems unlikely.

I don't know if it is related, but from time to time, the cursor
disappears completely (with blinking cursor).  I have not been able to
reproduce this in any reliable way.  This is an old bug, discussed on
the list 1-2 years ago. It still happens with the new sit-for ...


Since wait_read_process_output now has an end_time rather than a
duration, it seems possible to make a check on reentry to
wait_read_process_output whether an "outer" call has an end_time
BEFORE the end_time of the current call ... and do something sensible,
e.g.  modify the current end_time to the same as the outer end_time.

In that way, nested sit-for calls would never make emacs wait longer
than "allowed" by an outer sit-for call.

-- 
Kim F. Storm <storm@cua.dk> http://www.cua.dk