Hello!
The bug with MC hanging with 100% CPU utilization on exit from shell while
in internal editor of viewer has been fixed.
The fix is two-fold.
view_other_cmd() shuts down all extra channels for select() in
get_event(), just like edition_pre_exec(). view_other_cmd() and
edition_{pre,post}_exec() should be more similar now, which will enable
some code sharing between them. When the shell exists, the channels are
not restored. This prevents get_event() from waiting on closed channels.
quit_cmd_internal() now stops not only the top-level dialog, but also the
current dialog if it exists. This causes a fast exit from both dialogs
without waiting for any more events.
The bug with 100% CPU utilization on "TMOUT=1 mc" is not fixed yet.
The real fix probably belongs to get_event(), which should check error
conditions and maybe respect the "quit" variable. Alternatively, the
SIGCHLD handler for subshell should unregister the select() channel for
the subshell.
--
Regards,
Pavel Roskin
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