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Paul Eggert authored
* doc/emacs/trouble.texi (Crashing): New section, documenting this. * etc/NEWS: Document the change. * src/alloc.c [ENABLE_CHECKING]: Do not include <execinfo.h>. (die) [ENABLE_CHECKING]: Call fatal_error_backtrace instead of doing the work ourselves. * src/emacs.c (fatal_error_signal): Let fatal_error_backtrace do most of the work. (fatal_error_backtrace): New function, taken from the guts of the old fatal_error_signal, but with a new option to output a backtrace. (shut_down_emacs) [!DOS_NT]: Use strsignal to give more-useful info about the signal than just its number. * src/lisp.h (fatal_error_backtrace, emacs_backtrace): New decls. * src/sysdep.c: Include <execinfo.h> (emacs_backtrace): New function, taken partly from the previous code of the 'die' function. (emacs_abort): Call fatal_error_backtrace rather than abort.
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