On Tue, Feb 26, 2013 at 8:42 AM, Jeffrey Walton <noloa...@gmail.com> wrote: > Hi All, > > This came up on another list (Automake). I'm going to quote Bob > Friesenhahn directly since my paraphrase won't do him justice: > > "I am curious if this ThreadSanitizer extension will work with the > normal build of GCC GOMP (for OpenMP) on GNU/Linux. Up to now, it has > been necessary for interested parties to build their own GCC in order > to build a libgomp which uses pthreads rather than Linux clone for > threading. This is because valgrind only supports threads created via > pthreads and pthread locking semantics."
libgomp uses pthreads create and not clone directly. Though it uses futex directly. Can't you just add futex support to valgrind? Thanks, Andrew Pinski > > Does Thread Sanitizer work for non-pthread or OpenMP environments? [1] > and [2] don't discuss limitations. > > Jeff > > [1] http://gcc.gnu.org/onlinedocs/gcc/Debugging-Options.html#Debugging-Options > [2] http://code.google.com/p/data-race-test/wiki/ThreadSanitizer
