public unsafe void CouldAcquireEnterExitReleaseExclusiveLock()
{
var ptr = (long *)Marshal.AllocHGlobal(8);
* ptr = 0;
var wpid = Wpid.Create();
var wpid2 = Wpid.Create();
var sl = new SharedSpinLock(ptr);
Assert.AreEqual(Wpid.Empty, sl.TryAcquireExclusiveLock(wpid, out var tt, spinLimit: 0));
Assert.AreEqual(Wpid.Empty, sl.TryReEnterExclusiveLock(wpid, tt, spinLimit: 0));
Assert.Throws <InvalidOperationException>(() => { sl.TryReleaseLock(wpid); });
Assert.AreEqual(Wpid.Empty, sl.TryExitExclusiveLock(wpid, tt));
Assert.AreEqual(Wpid.Empty, sl.TryReleaseLock(wpid));
}
public Wpid TryExitExclusiveLock(Wpid wpid, byte threadToken)
{
return(SharedSpinLock.TryExitExclusiveLock(ref *(long *)(_statePointer + StreamLogStateRecord.LockerOffset), wpid, threadToken));
}