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bug#15794: Core dump after SIGTERM during GC marking


From: Eli Zaretskii
Subject: bug#15794: Core dump after SIGTERM during GC marking
Date: Sun, 03 Nov 2013 19:41:09 +0200

> From: Andreas Schwab <address@hidden>
> Date: Sun, 03 Nov 2013 07:37:04 +0100
> Cc: address@hidden
> 
> Barry OReilly <address@hidden> writes:
> 
> > #60 0x00000000004ecaa5 in deliver_process_signal (sig=15, handler=0x4ebc30 
> > <handle_fatal_signal>) at sysdep.c:1597
> >         old_errno = 11
> >         on_main_thread = true
> > #61 <signal handler called>
> > No symbol table info available.
> > #62 string_intervals (s=57280353) at lisp.h:3129
> > No locals.
> > #63 mark_object (arg=<optimized out>) at alloc.c:5957
> >         ptr = <optimized out>
> >         ptrx = <optimized out>
> >         obj = 59121106
> >         cdr_count = 0
> 
> The signal was received during GC.  Shouldn't its handling be postponed
> then?

Maybe.  But then it would be impossible to kill Emacs during a runaway
GC in a way that would cause Emacs to auto-save, wouldn't it?

Perhaps a better alternative would be to avoid running kill-emacs-hook
in this case?





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