Operating Systems: Concepts, Policies, and MechanismsPrentice Hall, 1989 - 356 Seiten Software -- Operating Systems. |
Im Buch
Ergebnisse 1-3 von 17
Seite 109
... logical units logical unit number driver address logical unit number driver address logical unit number driver address logical unit number driver address Figure 6.5 A detailed PCB for the short - term scheduler . The first thing our ...
... logical units logical unit number driver address logical unit number driver address logical unit number driver address logical unit number driver address Figure 6.5 A detailed PCB for the short - term scheduler . The first thing our ...
Seite 167
... logical unit number to unblocked_pcb ; insert logical unit number into temp_rcb ; add temp_rcb to unblocked_pcb.resource_list ; SHORT TERM_SCHEDULER ( unblocked_pcb ) ; end ( if no deadlock } { If DEADLOCK then block the process again ...
... logical unit number to unblocked_pcb ; insert logical unit number into temp_rcb ; add temp_rcb to unblocked_pcb.resource_list ; SHORT TERM_SCHEDULER ( unblocked_pcb ) ; end ( if no deadlock } { If DEADLOCK then block the process again ...
Seite 183
... logical unit is valid . begin { Check for a valid logical unit . If not , take error return . if logical unit not in LUT then begin status : = invalid_logical_unit ; ERROR_EXIT ( invalid_logical_unit ) ; end ; { invalid logical unit } ...
... logical unit is valid . begin { Check for a valid logical unit . If not , take error return . if logical unit not in LUT then begin status : = invalid_logical_unit ; ERROR_EXIT ( invalid_logical_unit ) ; end ; { invalid logical unit } ...
Inhalt
STRUCTURE AND FLOW IN A LAYERED OPERATING | 13 |
Concurrency | 15 |
CONCURRENCY IN PROGRAMS | 34 |
Urheberrecht | |
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Häufige Begriffe und Wortgruppen
access_queue active queue algorithm allocation banker's algorithm batch begin blocked queue buffer bytes cess chapter circular wait command interpreter concurrency create data element deadlock delete described device driver discussed disk error example executing process exit FCFS File control block file manager file name flag hardware I/O operation I/O request implementation index blocks initiator input spool interrupt IOCS Larry logical unit long-term scheduler main memory mapping memory management module monitor move operating systems output spool performance pointer priority problem procedure process control block pseudocode reference routine segment semaphore sequential shared short-term scheduler shown in Figure signal SNAIL diagram specified spool file spooler SSTF status stored structure suspend queue tape drive techniques TERM SCHEDULER termination test-and-set tion transfer user process variable wait