[issue8863] Display Python backtrace on SIGSEGV, SIGFPE and fatal error

[STINNER Victor]

STINNER Victor <victor.stinner at haypocalc.com> added the comment:

Version 6:
 - don't use fputc(), fputs(), fprintf() or fflush() on stderr: use write() on file descriptor 2 (should be stderr)
 - write tests: add sigsegv(), sigfpe() and fatal_error() functions to the _testcapi module

I was too lazy to reimplement functions to convert an integer to a string in bases 10 and 16, so I used snprintf() on a small buffer allocated on the stack.

----------
Added file: http://bugs.python.org/file19227/segfault_handler-6.patch

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue8863>
_______________________________________