On Fri, 17 Oct 2008, Olivier Guilyardi wrote: > Olivier Guilyardi wrote: >> Paul Davis wrote: >>> On Wed, 2008-10-15 at 13:02 +0200, Olivier Guilyardi wrote: >>>> I'm no memory barrier expert, but from what I read this looks like a complex >>>> topic. Adding them to jack's ring buffer may be hazardous without carefully >>>> crafted test cases. Bugs related to missing barriers may or may not happen >>>> according to various hardware-related issues. >>> the point of memory barriers is really to remove the need for test >>> cases :) >> >> I meant Test First, not putting a memory barrier between us and past bugs ;) >> >> My concern is: people around say memory barriers are missing, but could anyone >> write a unit test that actually turns this assumption into a bug? > > Okay, I wrote such a test. It fails with Jack's ringbuffer (jack1 r3004) but > succeeds with Portaudio's one (r1240). > I might be wrong (not unusual), but your code looks correct to me. Good work! _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
