Re: why "in_sighandler"?

[Jan Djärv]

Richard Stallman skrev:
>     handling_signal may be non-zero even if no signal handler is invoked.  
>     For example, from UNBLOCK_INPUT (via reinvoke_input_signal => 
>     handle_async_input).  Also if SYNC_INPUT is used.  So handling_signal 
>     really means "handling X11/GUI event".  I needed a variable that was 
>     only set when the signal handler is running.
>
> Could you please install comments which clearly explain this?

Done.

        Jan D.