bug#32502: 27.0.50; Tramp; C-g during asynchronous remote find-file kills Emacs

[Eli Zaretskii]

> Date: Wed, 22 Aug 2018 21:46:42 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: 32502@debbugs.gnu.org
> 
> > #3  0x000000000057115b in Fsignal (error_symbol=<optimized out>, 
> > data=<optimized out>) at eval.c:1582
> > #4  0x00000000005d5555 in post_acquire_global_lock 
> > (self=self@entry=0xc19320 <main_thread>) at thread.c:93
> 
> And in frame #4, what is current_thread->error_symbol?

Michael, unless I'm missing something, it sounds like Tramp signals
the main thread in this scenario.  (current_thread->error_symbol is
only set by thread-signal.)  Is that really necessary?  If so, can you
describe why you needed to signal the main thread, while it was
waiting for input?