Subj : Re: Memory visibility and MS Interlocked instructions
To   : comp.programming.threads
From : David Schwartz
Date : Thu Aug 25 2005 03:23 pm


"Marcin 'Qrczak' Kowalczyk" <qrczak@knm.org.pl> wrote in message 
news:87br3lzsy2.fsf@qrnik.zagroda...

> "David Schwartz" <davids@webmaster.com> writes:

>>> But this would require that MS insert membars on all volatile
>>> accesses, because there is, in general, no way to know whether
>>> another part of the program uses an interlocked instruction.
>>> Do MS and MS-compatible compilers really do that?

>>     On x86, it's not needed. I'm not sure about other platforms.

> I guess MS doesn't care about other platforms.

    They certainly didn't when the first developed the Interlocked* 
functions, or their memory model for WIN32.

    DS

.