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 ;) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/