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SubjectRe: vdso && cr
On Tue, Nov 27, 2012 at 01:26:55AM +1100, Amnon Shiloh wrote:
> Programmers don't (and the manual-page says they shouldn't even try)
> call "sigreturn" directly.
>
> If an interrupt happens, by bad luck, to occur while the process
> is running vdso code, then eventually, once signal-processing is
> complete, "sigreturn" (issued by glibc) will take the process back
> to where it was before the interrupt happend, inside the vdso page.

Hi Amnon, good point, need to think. Frankly I would like to escape
kernel patching as long as possible ;)


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