fom_long_lock.h File Reference

#include "fop/fop.h"
#include "lib/list.h"
#include "lib/chan.h"
#include "lib/mutex.h"
#include "lib/bob.h"

Include dependency graph for fom_long_lock.h:

Go to the source code of this file.

Data Structures
struct	m0_long_lock_addb2
struct	m0_long_lock_link
struct	m0_long_lock
struct	m0_be_long_lock

Macros
#define	__MOTR_LONG_LOCK_H__
#define	M0_BE_LONG_LOCK_PAD   (264 + 88)
#define	M0_FOM_LONG_LOCK_RETURN(rc)   ((rc) ? M0_FSO_AGAIN : M0_FSO_WAIT)

Enumerations
enum	m0_long_lock_state { M0_LONG_LOCK_UNLOCKED, M0_LONG_LOCK_RD_LOCKED, M0_LONG_LOCK_WR_LOCKED }
enum	m0_long_lock_type { M0_LONG_LOCK_READER, M0_LONG_LOCK_WRITER }

Functions
struct m0_be_long_lock	M0_XCA_DOMAIN (be)
	M0_BASSERT (sizeof(struct m0_long_lock)<=sizeof(M0_FIELD_VALUE(struct m0_be_long_lock, bll_u.pad)))
M0_INTERNAL void	m0_long_lock_init (struct m0_long_lock *lock)
M0_INTERNAL void	m0_long_lock_fini (struct m0_long_lock *lock)
M0_INTERNAL bool	m0_long_read_lock (struct m0_long_lock *lk, struct m0_long_lock_link *link, int next_phase)
M0_INTERNAL bool	m0_long_write_lock (struct m0_long_lock *lk, struct m0_long_lock_link *link, int next_phase)
M0_INTERNAL bool	m0_long_lock (struct m0_long_lock *lock, bool write, struct m0_long_lock_link *link, int next_phase)
M0_INTERNAL void	m0_long_read_unlock (struct m0_long_lock *lock, struct m0_long_lock_link *link)
M0_INTERNAL void	m0_long_write_unlock (struct m0_long_lock *lock, struct m0_long_lock_link *link)
M0_INTERNAL void	m0_long_unlock (struct m0_long_lock *lock, struct m0_long_lock_link *link)
M0_INTERNAL bool	m0_long_is_read_locked (struct m0_long_lock *lock, const struct m0_fom *fom)
M0_INTERNAL bool	m0_long_is_write_locked (struct m0_long_lock *lock, const struct m0_fom *fom)
M0_INTERNAL void	m0_long_lock_link_init (struct m0_long_lock_link *link, struct m0_fom *fom, struct m0_long_lock_addb2 *addb2)
M0_INTERNAL void	m0_long_lock_link_fini (struct m0_long_lock_link *link)
	M0_BOB_DECLARE (M0_EXTERN, m0_long_lock)
	M0_BOB_DECLARE (M0_EXTERN, m0_long_lock_link)
M0_INTERNAL void	m0_fom_ll_global_init (void)

Variables
union {
struct m0_long_lock   llock
char   pad [M0_BE_LONG_LOCK_PAD]
}	bll_u

Macro Definition Documentation

__MOTR_LONG_LOCK_H__

#define __MOTR_LONG_LOCK_H__

Definition at line 26 of file fom_long_lock.h.

Variable Documentation

bll_u

union { ... } bll_u

llock

struct m0_long_lock llock

Definition at line 362 of file fom_long_lock.h.

pad

char pad[M0_BE_LONG_LOCK_PAD]

Definition at line 363 of file fom_long_lock.h.