Used for finalizers that need to kill a Ruby thread. Finalizers run in a VM thread to which we do not want to attach a ThreadContext and within which we do not want to check for Ruby thread events. This mechanism goes directly to mail delivery, bypassing all Ruby Thread-related steps.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.