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- Task_Control_Block abstract "The Task Control Block (TCB) is an instance of a Process control block in an IBM System/360 architecture and successors operating system environment.Because of the complexities of the OS/360 and successors control program dispatcher, a TCB does not strictly perform all the functions of a Process control block, although it performs most of these.Rather, a TCB provides the anchor for a linked list of other, related request control blocks (RBs), the composite of which (i.e., the TCB plus the top-linked RB) performs the function of a Process control block.The Program status word may be stored in one control block (possibly a PRB, a Program Request Block), while the general purpose registers may be stored in the immediately preceding control block (an SVRB, Supervisor Call Request Block, an IRB, Interruption Request Block, or the TCB itself), depending upon the particular context.Once the control program's dispatcher selects a TCB to be dispatched, the context is determined and the general purpose registers are obtained from the appropriate control block, then the PSW is loaded from the appropriate control block thereby dispatching the unit of work.".
- Task_Control_Block wikiPageID "3011785".
- Task_Control_Block wikiPageLength "2237".
- Task_Control_Block wikiPageOutDegree "9".
- Task_Control_Block wikiPageRevisionID "671971727".
- Task_Control_Block wikiPageWikiLink Category:Process_(computing).
- Task_Control_Block wikiPageWikiLink 360_architecture.
- Task_Control_Block wikiPageWikiLink MVS.
- Task_Control_Block wikiPageWikiLink 370.
- Task_Control_Block wikiPageWikiLink 360_and_successors.
- Task_Control_Block wikiPageWikiLink Process_control_block.
- Task_Control_Block wikiPageWikiLink Program_status_word.
- Task_Control_Block wikiPageWikiLink Service_Request_Block.
- Task_Control_Block wikiPageWikiLinkText "TCB".
- Task_Control_Block wikiPageWikiLinkText "Task Control Block".
- Task_Control_Block hasPhotoCollection Task_Control_Block.
- Task_Control_Block subject Category:Process_(computing).
- Task_Control_Block hypernym Instance.
- Task_Control_Block type Event.
- Task_Control_Block comment "The Task Control Block (TCB) is an instance of a Process control block in an IBM System/360 architecture and successors operating system environment.Because of the complexities of the OS/360 and successors control program dispatcher, a TCB does not strictly perform all the functions of a Process control block, although it performs most of these.Rather, a TCB provides the anchor for a linked list of other, related request control blocks (RBs), the composite of which (i.e., the TCB plus the top-linked RB) performs the function of a Process control block.The Program status word may be stored in one control block (possibly a PRB, a Program Request Block), while the general purpose registers may be stored in the immediately preceding control block (an SVRB, Supervisor Call Request Block, an IRB, Interruption Request Block, or the TCB itself), depending upon the particular context.Once the control program's dispatcher selects a TCB to be dispatched, the context is determined and the general purpose registers are obtained from the appropriate control block, then the PSW is loaded from the appropriate control block thereby dispatching the unit of work.".
- Task_Control_Block label "Task Control Block".
- Task_Control_Block sameAs m.0h3xt1v.
- Task_Control_Block sameAs Q7687272.
- Task_Control_Block sameAs Q7687272.
- Task_Control_Block wasDerivedFrom Task_Control_Block?oldid=671971727.
- Task_Control_Block isPrimaryTopicOf Task_Control_Block.