Thread control block: Difference between revisions

Revision as of 23:10, 7 December 2023

Revision as of 23:12, 7 December 2023

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'''Thread Control Block''' ('''TCB''') is a [[data structure]] in an [[operating system kernel]] that contains [[Thread (computing)|thread]]-specific information needed to manage the thread.<ref>{{Cite web |date=2019-11-26 |title=Thread Control Block in Operating System |url=https://www.geeksforgeeks.org/thread-control-block-in-operating-system/ |access-date=2023-09-04 |website=GeeksforGeeks |language=en-us}}</ref> The TCB is "the manifestation of a thread in an operating system."

Each thread has a thread control block. An operating system keeps track of the thread control blocks in kernel memory.<ref>{{Cite web |title=CS162 - Fall 2014 #7 - Kernel Threads|url=https://inst.eecs.berkeley.edu/~cs162/fa14// |access-date=2023-12-07 |website=inst.eecs.berkeley.edu}}</ref>

An example of information contained within a TCB is: