public void Reset()
{
if (Group.IsFirstThread)
{
Atomic.Exchange(ref address.Value, 0);
}
}
private void Thread0()
{
flag0.Store(1, MemoryOrder);
if (ActiveConfig.UseExchange)
{
victim.Exchange(0, MemoryOrder.AcquireRelease);
}
else
{
victim.Store(0, MemoryOrder);
}
while (flag1.Load(ActiveConfig.UseExchange ? MemoryOrder.Acquire : MemoryOrder) == 1 & victim.Load(MemoryOrder) == 0)
{
RE.Yield();
}
++_threadsPassed;
RE.Assert(_threadsPassed == 1, $"Mutual exclusion not achieved, {_threadsPassed} threads currently in critical section!");
flag0.Store(0, ActiveConfig.UseExchange ? MemoryOrder.Release : MemoryOrder);
--_threadsPassed;
}
public void SlowThread()
{
interestedS.Store(1, MemoryOrder.Relaxed);
Fence.InsertProcessWide();
victim.Exchange(1, MemoryOrder.AcquireRelease);
while (true)
{
if (interestedF.Load(MemoryOrder.Relaxed) != 1)
{
break;
}
if (victim.Load(MemoryOrder.Relaxed) != 1)
{
break;
}
RE.Yield();
}
RE.Assert(_threadsPassed == 0, $"Slow thread entered while fast thread in critical section! ({_threadsPassed})");
_threadsPassed++;
interestedS.Store(0, MemoryOrder.Relaxed);
_threadsPassed--;
}