Messages in this thread | | | Date | Mon, 19 Mar 2012 09:51:36 -0700 | Subject | Re: [patch 2/2] c/r: prctl: Add ability to get clear_tid_address | From | Kees Cook <> |
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On Fri, Mar 16, 2012 at 1:55 PM, Cyrill Gorcunov <gorcunov@openvz.org> wrote: > Zero is written at clear_tid_address, when > the process exits. This functionality is used > by pthread_join(). > > We already have sys_set_tid_address() to change this > address for current task but there is no way to obtain > it from a user space.
Is it worth introducing a syscall for this just for symmetry? I suspect not, in which case:
Acked-by: Kees Cook <keescook@chromium.org>
-Kees
-- Kees Cook ChromeOS Security
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