[Haifux] Suggested lecture: "Crash and burn: writing Linux application fault handlers"

Leon Romanovsky leon at leon.nu
Mon May 12 16:32:35 MSD 2008

Sure, schedule it.

> Howdy folks,
> I'd like to suggest a lecture for Haifux meeting.
> Title: Crash and burn: writing Linux application fault handlers
> Abstract:
> Complementing the standard Linux fault handler ("Segmentation fault.
> Core dumped.") with a custom handler that reports the crashing program
> state without a debugger is a useful endeavor in many situations.
> Unfortunately, writing such a fault handler correctly can be
> surprisingly hard and requires certain amount of black magic.
> The proposed lecture is a tutorial that will demonstrate how to write
> such a handler, covering such topics as: getting program symbolic stack
> trace and registers and reporting them safely, the care and feeding of
> async signal POSIX handler functions, how to avoid implicit memory
> allocations and how to test for them, how to handle multi-threaded
> faults, the black magic involved with how Linux handles signal handlers,
> the unfortunate effect this has on obtaining a correct stack trace in
> case of a fault and how to overcome this limitation.
> Let me know if there is interest and available times.
> Cheers,
> Gilad
> --
> Gilad Ben-Yossef
> Chief Coffee Drinker
> Codefidence Ltd.
> The code is free, your time isn't.(TM)
> Web: http://codefidence.com
> Email: gilad at codefidence.com
> Office: +972-8-9316883 ext. 201
> Fax: +972-8-9316885
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