On Mon, Apr 21, 2008 at 11:45:25AM -0700, James McIlree wrote: >> Either we need to use some temporary, probe-local variable (one that can't >> conflict with a user-defined variable), or we need to perform some element >> of optimization to the generated DIF. >> >> I've filed this bug: >> >> 6691541 curlwpsinfo->pr_stype races > > If you choose to do some element of optimization, is it possible to guarantee > every case will be correctly handled? I worry that it might be difficult to > reason about the thread safety of code without explicit guarantees about how > this is handled.
The optimization would just be to perform the load once -- this is what most C compilers would do absent the volatile keyword. Adam -- Adam Leventhal, Fishworks http://blogs.sun.com/ahl _______________________________________________ dtrace-discuss mailing list dtrace-discuss@opensolaris.org
