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Rendezvous is a synchronization mechanism in the Plan 9 operating system. It is a system call that allows two processes to exchange a single data item while synchronizing.

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.

External links

Rendezvous paper - Process Sleep and Wakeup on a Shared-memory Multiprocessor

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	'''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 [[synchronization]] mechanism in the [[Plan 9 (operating system)\|Plan 9]] [[operating system]]. It is a [[system call]] that allows two [[process]]es to exchange a single data item while synchronizing.

	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.		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.