Messages in this thread |  | | | From | David Howells <> | | Subject | Re: [PATCH 0/4] coredump: core dump masking support v3 | | Date | Fri, 16 Feb 2007 15:08:54 +0000 |
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Kawai, Hidehiro <hidehiro.kawai.ez@hitachi.com> wrote:
> To avoid the above situation we can limit the core file size by > setrlimit(2) or ulimit(1). But this method can lose important data > such as stack because core dumping is terminated halfway. > So I suggest keeping shared memory segments from being dumped for > particular processes.
A better way might be to place the shared memory segments last if that's possible (I'm not sure ELF supports out-of-order segments).
> Because the shared memory attached to processes is common in them, we don't > need to dump the shared memory every time.
So there's no guarantee that they'll be dumped at all... I'm not sure there's any way around that, however.
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