Alien thread

In computing, an alien thread in a multi-processor system is a thread of program execution executed by one processor on behalf of a process running on another processor.{{cite conference |url=http://ing.utalca.cl/~fmeza/papers/issads2005a.pdf |title=Implementing Distributed Mutual Exclusion on Multithreaded Environments: The Alien-Threads Approach |author1=Federico Meza |author2=Jorge Pérez R. |author3=Yadran Eterovic |pages=51–62 |doi=10.1007/11533962_6 |conference=International Symposium and School on Advanced Distributed Systems (LNCS vol. 3563) |date=January 2005 |location=Guadalajara, Mexico |access-date=2010-02-10 |archive-url=https://web.archive.org/web/20110707012429/http://ing.utalca.cl/~fmeza/papers/issads2005a.pdf |archive-date=2011-07-07 |url-status=dead }} Alien threads are implemented in the Fiasco.OC/L4 microkernel operating system.