Messages in this thread | | | From | (Eric W. Biederman) | Date | Thu, 02 Aug 2012 04:11:41 -0700 | Subject | Re: [PATCH v2] futex: mark get_robust_list as deprecated |
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richard -rw- weinberger <richard.weinberger@gmail.com> writes:
> On Fri, Mar 23, 2012 at 8:08 PM, Kees Cook <keescook@chromium.org> wrote: >> Notify get_robust_list users that the syscall is going away. >> >> Suggested-by: Thomas Gleixner <tglx@linutronix.de> >> Signed-off-by: Kees Cook <keescook@chromium.org> >> --- > > I'm using this system call in an application and noticed that's marked > as deprecated now. > My application collects all kind of information from crashing programs. > It's installed in /proc/sys/kernel/core_pattern. > > If program X is crashing it executes get_robust_list(X) to get the > address of the robust list > and reads the list from /proc/X/mem. > > Is there another way to get the robust list from another program (by it's pid)?
The folks doing checkpoint/restart claim to not need this, so there might be a way either that or they just haven't hit this problem yet.
What you are doing sounds like a reasonable use of get_robust_list to me.
Eric
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