internal VBoxBody <T> CASBody(VBoxBody <T> expected, VBoxBody <T> newBody)
{
if (expected == Interlocked.CompareExchange <VBoxBody <T> >(ref _body, newBody, expected))
{
if (_listeners.Count == 0)
{
return(newBody);
}
var temp = _listeners;
foreach (var retryLatch in temp)
{
retryLatch.Open(retryLatch.Era);
}
ImmutableList <IRetryLatch> initial;
do
{
initial = _listeners;
} while (initial != Interlocked.CompareExchange(ref _listeners, ImmutableList <IRetryLatch> .Empty, initial));
return(newBody);
}
else
{
return(_body.GetBody(newBody.Version));
}
}
internal VBoxBody <T> GetBody(int version)
{
if (this.Version == version)
{
return(this);
}
else if (this.Version < version)
{
return(null);
}
else
{
return(Next.GetBody(version));
}
}