seqlock.h File Reference

#include <kernel/sync/lock.h>
#include <stdatomic.h>

Include dependency graph for seqlock.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	seqlock_t
	Sequence lock structure. More...

Macros
#define	SEQLOCK_CREATE()   {.sequence = ATOMIC_VAR_INIT(0), .writeLock = LOCK_CREATE()}
	Create a sequence lock initializer.
#define	SEQLOCK_READ_SCOPE(seqlock)
	Read scope for a sequence lock.

Functions
static void	seqlock_init (seqlock_t *seqlock)
	Initializes a sequence lock.
static void	seqlock_write_acquire (seqlock_t *seqlock)
	Acquires the write lock of a sequence lock.
static void	seqlock_write_release (seqlock_t *seqlock)
	Releases the write lock of a sequence lock.
static uint64_t	seqlock_read_begin (seqlock_t *seqlock)
	Begins a read operation on a sequence lock.
static bool	seqlock_read_retry (seqlock_t *seqlock, uint64_t seq)
	Checks if a read operation on a sequence lock needs to be retried.