rwlock.h File Reference

Reader-writer lock synchronization primitive. More...

#include <cx/cx.h>
#include <cx/meta/block.h>
#include <cx/platform/base.h>
#include "aspin.h"
#include "futex.h"

Go to the source code of this file.

Data Structures
struct	RWLock

Macros
#define	RWLOCK_READER_MAX   4095
	Maximum number of concurrent readers.
#define	RWLOCK_READWAIT_MAX   2047
	Maximum number of waiting readers.
#define	RWLOCK_WRITER_MAX   511
	Maximum number of writers (active + pending)
#define	rwlockInit(l, ...)   _rwlockInit(l, opt_flags(__VA_ARGS__))
#define	withReadLock(l)   blkWrap (rwlockAcquireRead(l), rwlockReleaseRead(l))
#define	withWriteLock(l)   blkWrap (rwlockAcquireWrite(l), rwlockReleaseWrite(l))

Typedefs
typedef struct RWLock	RWLock

Enumerations
enum	RWLOCK_Flags { RWLOCK_NoSpin = 1 }
	Reader-writer lock initialization flags. More...

Functions
bool	rwlockTryAcquireReadTimeout (RWLock *l, int64 timeout)
bool	rwlockTryAcquireWriteTimeout (RWLock *l, int64 timeout)
bool	rwlockTryAcquireRead (RWLock *l)
bool	rwlockTryAcquireWrite (RWLock *l)
void	rwlockAcquireRead (RWLock *l)
void	rwlockAcquireWrite (RWLock *l)
bool	rwlockReleaseRead (RWLock *l)
bool	rwlockReleaseWrite (RWLock *l)
bool	rwlockDowngradeWrite (RWLock *l)
void	rwlockDestroy (RWLock *l)

Detailed Description

Reader-writer lock synchronization primitive.

Definition in file rwlock.h.