On Thu, Apr 18, 2002 at 08:38:31AM -0700, Brian Pane wrote: > Joe Orton wrote: > > >There are issues with use of asm/atomic.h on Linux: according to the > >kernel gurus here this is a header for internal use of the kernel, > >and shouldn't be used from userspace. > > > >The problems are, if I understand them correctly: > > > >- with newer kernel/glibc combinations (e.g the RHL7.3 beta) this stuff > >really isn't exported to userspace, so they can't be used at all. (this > >is the most serious problem, it prevents APR from building) > > > > Thanks for reporting this. I agree that we need to stop relying on > asm/atomic.h on Linux. > > My only objection to the patch is that it solves the problem by switching > to the mutex-based default implementation on Linux--which defeats the whole > point of the API on one of our most important platforms. I suppose we can > fix that by using inline assembly to generate the atomic operations for the > Linux+gcc+x86 case.
Sure - I'd just hope the change could be made for the time being, until someone gets round to that, since currently APR won't build on combinations of modern glibc/kernel. Regards, joe
