util: add atomic64
This introduces read/set accessors for int64_t and uint64_t. Signed-off-by: NEmilio G. Cota <cota@braap.org> Message-Id: <20180910232752.31565-3-cota@braap.org> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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util/atomic64.c
0 → 100644
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