try_cmpxchg (4b4193256c8d3bc3a5397b5cd9494c2ad386317d) try_cmpxchg (f3e615b4db1fb7034f1d76dc307b77cc848f040e)
1cat <<EOF
2static __always_inline bool
1cat <<EOF
2static __always_inline bool
3${arch}${atomic}_try_cmpxchg${order}(${atomic}_t *v, ${int} *old, ${int} new)
3arch_${atomic}_try_cmpxchg${order}(${atomic}_t *v, ${int} *old, ${int} new)
4{
5 ${int} r, o = *old;
4{
5 ${int} r, o = *old;
6 r = ${arch}${atomic}_cmpxchg${order}(v, o, new);
6 r = arch_${atomic}_cmpxchg${order}(v, o, new);
7 if (unlikely(r != o))
8 *old = r;
9 return likely(r == o);
10}
11EOF
7 if (unlikely(r != o))
8 *old = r;
9 return likely(r == o);
10}
11EOF