Messages in this thread | | | From | Bodo Eggert <> | Subject | Re: Dumpable tasks and ownership of /proc/*/fd | Date | Tue, 11 Apr 2006 21:30:32 +0200 |
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Eric W. Biederman <ebiederm@xmission.com> wrote:
> Speaking of things why does the *at() emulation need to touch > /proc/self/fd/*? I may be completely dense but if the practical > justification for allowing access to /proc/self/fd/ is that we > already have access then we shouldn't need /proc/self/fd. > > I suspect this a matter of convenience where you are prepending > /proc/self/fd/xxx/ to the path before you open it instead of calling > fchdir openat() and the doing fchdir back. Have I properly guessed > how the *at() emulation works?
Think about threads or siglongjmp(sp?). -- Ich danke GMX dafür, die Verwendung meiner Adressen mittels per SPF verbreiteten Lügen zu sabotieren. - 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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