/// <summary>
/// Initializes a new instance of the <see cref="CoCoL.ExecutionScope"/> class.
/// </summary>
/// <param name="parent">The parent scope.</param>
/// <param name="threadPool">The thread pool implementation.</param>
private ExecutionScope(ExecutionScope parent, IThreadPool threadPool)
{
if (threadPool == null)
{
throw new ArgumentNullException(nameof(threadPool));
}
ParentScope = parent;
m_threadPool = threadPool;
lock (__lock)
__scopes[m_instancekey] = this;
Current = this;
}
/// <summary>
/// Static initializer to control the creation order
/// </summary>
static ExecutionScope()
{
__lock = new object();
Root = new ExecutionScope(null, ThreadPool.DEFAULT_THREADPOOL);
__scopes[Root.m_instancekey] = Root;
}