/// <summary>
/// After no reading will be done for the given reader ticket, release it with this method.
/// </summary>
public static void ReleaseReaderTicket(ref ReadTicket ticket)
{
var node = (VersionEntry)ticket;
ticket = null;
Interlocked.Decrement(ref node.ReaderCount);
}
/// <summary>
/// Reader should keep a reference to his ticket, and release it with a call
/// to <see cref="ReleaseReaderTicket"/> when done.
/// </summary>
public static void GetReaderTicket(out ReadTicket ticket)
{
try {} finally
{
while (true)
{
var curr = _current;
// trimming sets this to int.MinValue, so unless 2 billion threads are doing this
// simultaneously, we're safe.
if (Interlocked.Increment(ref curr.ReaderCount) > 0)
{
ticket = curr;
break;
}
}
}
}
/// <summary>
/// Reader should keep a reference to his ticket, and release it with a call
/// to <see cref="ReleaseReaderTicket"/> when done.
/// </summary>
public static void GetReaderTicket(out ReadTicket ticket)
{
try {} finally
{
while (true)
{
var curr = _current;
// trimming sets this to int.MinValue, so unless 2 billion threads are doing this
// simultaneously, we're safe.
if (Interlocked.Increment(ref curr.ReaderCount) > 0)
{
ticket = curr;
break;
}
}
}
}
/// <summary>
/// After no reading will be done for the given reader ticket, release it with this method.
/// </summary>
public static void ReleaseReaderTicket(ref ReadTicket ticket)
{
var node = (VersionEntry)ticket;
ticket = null;
Interlocked.Decrement(ref node.ReaderCount);
}