private void WriteToResource(SoaLockReleaser releaser)
{
while (!SoaReadWriteLock.IfThen(ref this.m_LockState, 0, 1))
{
if (SoaReadWriteLock.IfThen(ref this.m_LockState, 1, 4))
{
this.m_qWriters.Enqueue(releaser);
Interlocked.Exchange(ref this.m_LockState, 1);
return;
}
if (SoaReadWriteLock.IfThen(ref this.m_LockState, 2, 4) || SoaReadWriteLock.IfThen(ref this.m_LockState, 3, 4))
{
this.m_qWriters.Enqueue(releaser);
Interlocked.Exchange(ref this.m_LockState, 3);
return;
}
SoaReadWriteLock.StallThread();
}
releaser.Invoke();
}
private void ReadFromResource(SoaLockReleaser releaser)
{
while (!SoaReadWriteLock.IfThen(ref this.m_LockState, 0, 2) && this.m_LockState != 2)
{
if (SoaReadWriteLock.IfThen(ref this.m_LockState, 3, 4))
{
this.m_qReaders.Enqueue(releaser);
Interlocked.Exchange(ref this.m_LockState, 3);
return;
}
if (SoaReadWriteLock.IfThen(ref this.m_LockState, 1, 4))
{
this.m_qReaders.Enqueue(releaser);
Interlocked.Exchange(ref this.m_LockState, 1);
return;
}
SoaReadWriteLock.StallThread();
}
Interlocked.Increment(ref this.m_NumReadersReading);
releaser.Invoke();
}
