Messages in this thread | | | From | (Eric W. Biederman) | Subject | Re: [PATCH -mm 5/7] add user namespace | Date | Fri, 14 Jul 2006 12:06:00 -0600 |
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Dave Hansen <haveblue@us.ibm.com> writes:
> On Fri, 2006-07-14 at 11:18 -0600, Eric W. Biederman wrote: >> /proc/<pid>/fd/... >> /proc/<pid>/exe >> /proc/<pid>/cwd >> >> It isn't quite the same as you are actually opening a second >> copy of the file descriptor but the essence is the same. > > Last I checked, those were symlinks and didn't work for things like > deleted files. Am I wrong?
Yes. They are not really symlinks.
Wanting to have an executable that was deleted after it was done executing. I wrote it to a file. opened it, unlinked it, set close on exec, and the exec'd it with /proc/self/fd/N.
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