RWLock Struct Reference

#include <rwlock.h>

Public Member Functions
	atomic (uint32) state
	Packed lock state (readers, waiting readers, writers)

Data Fields
Futex	rftx
	Futex for reader wait queue.
Futex	wftx
	Futex for writer wait queue.
AdaptiveSpin	aspin
	Adaptive spin state.

Detailed Description

Reader-writer lock synchronization primitive

Allows multiple concurrent readers or a single exclusive writer. The state field packs reader count (12 bits), waiting reader count (11 bits), and writer count (9 bits) into a single 32-bit atomic.

Definition at line 89 of file rwlock.h.

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The documentation for this struct was generated from the following file:

• cx/thread/rwlock.h