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SubjectRe: [PATCH] fix for futex_wait signal stack corruption

On Tue, 4 Dec 2007, Steven Rostedt wrote:
> Since arg3 is out, which do you prefer? Creating an arg4 (and perhaps
> more) in the block or having a u64 arg? Changing all the args to u64 may
> be the best.

I suspect that the best option is probably to make that thing a unnamed
union of the actual different types the different restart cases needs,
which also allows you to name things appropriately and not have any wasted

Leave the arg0-3 ones around as one of the unions, both to avoid having to
change other things and to have a "generic" one for stuff that simply
doesn't much care (in order to not have tons and tons of substructures to
the union when most users really don't need any fancy types).

I think we already depend on recent-enough gcc's that unnamed unions are
ok and we don't need to play games with naming.


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