public NoGCRegion(int totalSize, Action actionWhenAllocatedMore)
{
var succeeded = GC2.TryStartNoGCRegion(totalSize, actionWhenAllocatedMore);
if (!succeeded)
{
throw new InvalidOperationException("Cannot enter NoGCRegion");
}
}
public void NoAllocationBeforeLimit()
{
try
{
triggered = false;
var succeeded = GC2.TryStartNoGCRegion(totalBytes, () => triggered = true);
Assert.True(succeeded);
Thread.Sleep(sleepTime);
Assert.False(triggered);
var bytes = new byte[99];
Thread.Sleep(sleepTime);
Assert.False(triggered);
}
finally
{
GC2.EndNoGCRegion();
triggered = false;
}
}
public void AllocatingOverLimitTriggersTheAction()
{
try
{
triggered = false;
var succeeded = GC2.TryStartNoGCRegion(totalBytes, () => triggered = true);
Assert.True(succeeded);
Assert.False(triggered);
for (var i = 0; i < 3; i++)
{
var k = new byte[totalBytes];
}
Thread.Sleep(sleepTime);
Assert.True(triggered);
}
finally
{
GC2.EndNoGCRegion();
triggered = false;
}
}
public void Dispose() => GC2.EndNoGCRegion();