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SubjectRe: Anyone working on multi-threaded core files for 2.4 ?
Alexander Viro wrote:

> How about preventing the rest of threads from doing mmap()/munmap()/etc.
> while the dump is taken? How about thread A coredumping, half of the image
> being already written and thread B (nowhere near the kernel mode, mind
> you) changing the data both in the area that is already dumped and area
> the still isn't? After that you can look at the dump and notice absolutely
> corrupted data structures - very effective in misdirecting your attempts
> to figure out what went wrong.

Couldn't all threads be stopped before coredumping begins?

--Lee Hetherington


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