Disabling program core dumps
Willem Jan Withagen
wjw at digiware.nl
Thu Apr 27 13:30:51 UTC 2017
On 27-4-2017 14:48, Edward Napierala wrote:
> There's the kern.coredump sysctl, which makes it possible to disable
> coredumping globally.
Yup, that one I knew.
But that is global, where as I'd like to run:
setcoreoff();
EXPECT_DEATH(test)
setcoreon()
And for that I need some micro controls from with in the program.
Hence my fiddling with (get|set)_rlimits.
--WjW
>
> 2017-04-27 13:36 GMT+01:00 Willem Jan Withagen <wjw at digiware.nl
> <mailto:wjw at digiware.nl>>:
>
> Hi,
>
> Running (googletest) tests some are expected to die: EXPECT_DEATH().
> This normally dumps a core, but since it is expected that core is rather
> useless.
>
> Thusfar I've found the best way to limit a program to dump core (from
> within the program) is to set its RLIMIT_CORE to 0.
>
> So I can do this before the test, and then set the old size back once
> the test is finished.
>
> Or is there another way, like setting a flag in process state (which I
> have not been able to find)
>
> --WjW
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