Messages in this thread | | | Date | Tue, 9 Jan 2007 15:39:12 +0100 | From | Pavel Machek <> | Subject | Re: [PATCH] binfmt_elf: core dump masking support |
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Hi!
> > > When a new process is created, the process inherits the coremask > > > setting from its parent. It is useful to set the coremask before > > > the program runs. For example: > > > > > > $ echo 1 > /proc/self/coremask > > > $ ./some_program > > > > User can already ulimit -c 0 on himself, perhaps we want to use same > > interface here? ulimit -cmask=(bitmask)? > > Are you saying that 1) it is good to change ulimit (shell programs) > so that shell programs will read/write /proc/self/coremask when > the -cmask option is given to ulimit? > Or, 2) it is good to change ulimit and get/setrlimit so that shell > programs will invoke get/setrlimit with new parameter?
I'm trying to say 2).
> If the changes are acceptable to bash or other shell community, I think > the first approach is nice. > But the second approach is problematic because the bitmask doesn't > conform to the usage of setrlimit. You know, setrlimit controls amount > of resources the system can use by the soft limit and hard limit. > These limitations don't suit for the bitmask.
Well, you can have it as set of 0-1 "limits"... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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