Rendezvous (Plan 9): Difference between revisions

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Rendezvous is a data synchronization mechanism in Plan 9 from Bell Labs. It is a system call that allows two processes to exchange a single datum while synchronizing.^[1]

The rendezvous call takes a tag and a value as its arguments. The tag is typically an address in memory shared by both processes. Calling rendezvous causes a process to sleep until a second rendezvous call with a matching tag occurs. Then, the values are exchanged and both processes are awakened.

More complex synchronization mechanisms can be created from this primitive operation. See also mutual exclusion.

References

^ Pike, Rob; Presotto, Dave; Dorward, Sean; Flandrena, Bob; Thompson, Ken; Trickey, Howard; Winterbottom, Phil (1995). "Plan 9 from Bell Labs". Computing systems. 8 (3). University of California Press: 221–254.

External links

Process Sleep and Wakeup on a Shared-memory Multiprocessor by Rob Pike, Dave Presotto, Ken Thompson and Gerard Holzmann.

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[1] Pike, Rob; Presotto, Dave; Dorward, Sean; Flandrena, Bob; Thompson, Ken; Trickey, Howard; Winterbottom, Phil (1995). "Plan 9 from Bell Labs". Computing systems. 8 (3). University of California Press: 221–254.

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+{{More citations needed|date=April 2023}}
-'''Rendezvous''' is a [[synchronization]] mechanism in the [[Plan 9]] [[operating system]]. It is a [[system call]] that allows two [[process]]es to exchange a single data item while synchronizing.
+'''Rendezvous''' is a [[data synchronization]] mechanism in [[Plan 9 from Bell Labs]]. It is a [[system call]] that allows two [[Process (computing)|processes]] to exchange a single datum while synchronizing.<ref>{{Cite journal |last=Pike |first=Rob |last2=Presotto |first2=Dave |last3=Dorward |first3=Sean |last4=Flandrena |first4=Bob |last5=Thompson |first5=Ken |last6=Trickey |first6=Howard |last7=Winterbottom |first7=Phil |date=1995 |title=Plan 9 from Bell Labs |journal=Computing systems |publisher=University of California Press |volume=8 |issue=3 |pages=221–254}}</ref>
-Rendezvous call takes a ''tag'' and a ''value'' as its arguments. The tag is typically an address in memory shared by both processes. Calling rendezvous causes a process to sleep until a second rendezvous call with a matching tag occurs. Then, the values are exchanged and both processes are awakened.
+The rendezvous call takes a ''tag'' and a ''value'' as its arguments. The tag is typically an address in memory shared by both processes. Calling rendezvous causes a process to sleep until a second rendezvous call with a matching tag occurs. Then, the values are exchanged and both processes are awakened.
-More complex syncronization mechanisms can be created from this primitive operation. See also [[mutual exclusion]].
+More complex synchronization mechanisms can be created from this primitive operation. See also [[mutual exclusion]].
+==See also==
+* [[Synchronous rendezvous]]
+* [[Communicating sequential processes]]
+==References==
+{{Reflist}}
 == External links ==
-*[http://www.cs.bell-labs.com/sys/doc/sleep.html Rendezvous paper] - Process Sleep and Wakeup on a Shared-memory Multiprocessor
+*[http://doc.cat-v.org/plan_9/4th_edition/papers/sleep Process Sleep and Wakeup on a Shared-memory Multiprocessor] by [[Rob Pike]], [[Dave Presotto]], [[Ken Thompson (computer programmer)|Ken Thompson]] and [[Gerard Holzmann]].
-{{stub}}
+[[Category:Plan 9 from Bell Labs]]
+[[Category:Parallel computing]]
+[[Category:Inter-process communication]]
+{{operating-system-stub}}