Messages in this thread | ![/](/images/icornerl.gif) | | Date | Wed, 27 Dec 2006 10:49:28 -0800 | From | Ray Lee <> | Subject | Re: Feature request: exec self for NOMMU. |
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Rob Landley wrote: > On Wednesday 27 December 2006 1:08 am, Vadim Lobanov wrote: >> On Wed, 2006-12-27 at 00:51 -0500, Rob Landley wrote: >>> On Wednesday 27 December 2006 12:13 am, Ray Lee wrote: >>>> How about openning an fd to yourself at the beginning of execution, then >>>> calling fexecve later? >>> I haven't got a man page for fexecve. Does libc have it? >> It's implemented inside glibc, and uses /proc to execve() the file that >> the fd points to.
Oh, hmm. Then I think it won't work, will it? I'd assumed fexecve was implemented in kernel.
> Cute, and I can do that. Assuming /proc is mounted in the chroot > environment...
Maybe I'm just confused -- wouldn't be the first time -- but if it's implemented inside userspace, then once you chroot() you won't be able to execute the path you find via /proc, will you? - 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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