On 09/09/2009 01:29 PM, FUJITA Tomonori wrote: > On Wed, 09 Sep 2009 13:17:10 +0200 > Florian Haas <florian.haas at linbit.com> wrote: > >> On 09/09/2009 12:44 PM, FUJITA Tomonori wrote: >>> We use threads and pipe for event notification (I/O completion); I/O >>> threads signal the main thread when I/Os are complete. signalfd is >>> faster than it (signalfd is supported as of 2.6.22). >> Tomo-san, >> >> AFAICS signalfd has not been backported to Red Hat's RHEL 5 kernels. So >> if I understand correctly, this patch would break building tgt on that >> platform (and presumably others, like Debian etch and SLES 10). Would >> you mind employing ifdefs so that when signalfd is not available on the >> platform tgt is being built on, it reverts to the old behavior? > > This patch works in the old way on a box where signalfd is not > supported. I have not try this patch with systems that doesn't support > signalfd. Can anyone test this patch on such system? I can try and see if it builds. What would I need to look out for when I actually use it? Cheers, Florian -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 260 bytes Desc: OpenPGP digital signature URL: <http://lists.wpkg.org/pipermail/stgt/attachments/20090909/5fd0f3f4/attachment.pgp> |