21 typedef Atomic32 (*LinuxKernelCmpxchgFunc)(Atomic32 old_value,
33                                          Atomic32 old_value,  in NoBarrier_CompareAndSwap()  argument
37     if (!pLinuxKernelCmpxchg(old_value, new_value,  in NoBarrier_CompareAndSwap()
39       return old_value;  in NoBarrier_CompareAndSwap()
42   } while (prev_value == old_value);  in NoBarrier_CompareAndSwap()
48   Atomic32 old_value;  in NoBarrier_AtomicExchange()  local
50     old_value = *ptr;  in NoBarrier_AtomicExchange()
51   } while (pLinuxKernelCmpxchg(old_value, new_value,  in NoBarrier_AtomicExchange()
53   return old_value;  in NoBarrier_AtomicExchange()
65     Atomic32 old_value = *ptr;  in Barrier_AtomicIncrement()  local
66     Atomic32 new_value = old_value + increment;  in Barrier_AtomicIncrement()
67     if (pLinuxKernelCmpxchg(old_value, new_value,  in Barrier_AtomicIncrement()
78                                        Atomic32 old_value,  in Acquire_CompareAndSwap()  argument
80   return NoBarrier_CompareAndSwap(ptr, old_value, new_value);  in Acquire_CompareAndSwap()
84                                        Atomic32 old_value,  in Release_CompareAndSwap()  argument
86   return NoBarrier_CompareAndSwap(ptr, old_value, new_value);  in Release_CompareAndSwap()