atomic_readandclear_long
#define atomic_readandclear_long(p) atomic_swap_long(p, 0)
atomic_readandclear_long(volatile u_long *p)
#define atomic_readandclear_long atomic_readandclear_64
#define atomic_readandclear_long(p) atomic_swap_long(p, 0)
atomic_readandclear_long(volatile u_long *addr)
atomic_readandclear_long(volatile u_long *addr)
#define atomic_readandclear_long atomic_readandclear_64
#define atomic_readandclear_long ATOMIC_SAN(readandclear_long)