ATOMIC_VALUE_EXCHANGE  168 ruby_atomic.h  #   define ATOMIC_VALUE_EXCHANGE(var, val) ATOMIC_EXCHANGE(var, val)
ATOMIC_VALUE_EXCHANGE  206 ruby_atomic.h  #   define ATOMIC_VALUE_EXCHANGE(var, val) ATOMIC_SIZE_EXCHANGE(*(size_t *)&(var), (size_t)(val))
ATOMIC_VALUE_EXCHANGE  208 ruby_atomic.h  #   define ATOMIC_VALUE_EXCHANGE(var, val) ruby_atomic_value_exchange(&(var), (val))