[Bug dyninst/14490] Enable stapdyn in multiarch environments

[jistone at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=14490

--- Comment #7 from Josh Stone <jistone at redhat dot com> ---
(In reply to David Smith from comment #6)
> I'm wondering if 32-bit and 64-bit processes can share a pthread mutexes. In
> a 64-bit exe, sizeof(pthread_mutex_t) is 40 bytes. In a 32-bit exe,
> sizeof(pthread_mutex_t) is 24 bytes.

That's a very good point.  Gross.  I suppose we could create our own locking
primitives, since futex deals in simple ints, but this is definitely a
complication I hadn't thought about.

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