lock.h File Reference

TM :: Locking functions. More...

#include "../../dprint.h"
#include "../../locking.h"
#include "h_table.h"
#include "timer.h"
#include "timer.h"

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Data Structures
struct	ser_lock_t
Defines
#define	IPC_PERMISSIONS   0666
#define	lock(_s)   _lock( (_s) )
#define	unlock(_s)   _unlock( (_s) )
Enumerations
enum	timer_groups {   TG_FR, TG_WT, TG_DEL, TG_RT,   TG_NR }
Functions
static void	_lock (ser_lock_t *s)
static void	_unlock (ser_lock_t *s)
int	init_cell_lock (struct cell *cell)
int	init_entry_lock (struct s_table *ht, struct entry *entry)
int	init_timerlist_lock (enum lists timerlist_id)
void	lock_cleanup (void)
	remove the semaphore set from system
int	lock_initialize (void)
	Initialize the locks.

---

Detailed Description

TM :: Locking functions.

• Module: TM :: Stateful transaction handling
• lock.c

Definition in file lock.h.

---

Define Documentation

#define IPC_PERMISSIONS   0666

Uni*x permissions for IPC

Definition at line 72 of file lock.h.

#define lock

(

_s

)

_lock( (_s) )

Definition at line 82 of file lock.h.

#define unlock

(

_s

)

_unlock( (_s) )

Definition at line 83 of file lock.h.

---

Enumeration Type Documentation

enum timer_groups

Enumerator:

TG_FR
TG_WT
TG_DEL
TG_RT
TG_NR

Definition at line 58 of file lock.h.

---

Function Documentation

static void _lock

(

ser_lock_t *

s

)

[inline, static]

Definition at line 96 of file lock.h.

References LM_DBG, ser_lock_t::semaphore_index, and ser_lock_t::semaphore_set.

static void _unlock

(

ser_lock_t *

s

)

[inline, static]

Definition at line 115 of file lock.h.

References LM_DBG, ser_lock_t::semaphore_index, and ser_lock_t::semaphore_set.

int init_cell_lock

(

struct cell *

cell

)

Definition at line 232 of file lock.c.

References cell::hash_index, cell::reply_mutex, reply_semaphore, sem_nr, ser_lock_t::semaphore_index, and ser_lock_t::semaphore_set.

Referenced by build_cell().

int init_entry_lock	(	struct s_table *	ht,
		struct entry *	entry
	)

Definition at line 244 of file lock.c.

References entry_semaphore, s_table::entrys, entry::mutex, sem_nr, ser_lock_t::semaphore_index, and ser_lock_t::semaphore_set.

Referenced by init_hash_table().

int init_timerlist_lock

(

enum lists

timerlist_id

)

Definition at line 261 of file lock.c.

References get_timertable(), timer::mutex, timer_group, and timer_table::timers.

Referenced by init_timer_list().

void lock_cleanup

(

void

)

remove the semaphore set from system

Definition at line 204 of file lock.c.

References entry_semaphore, reply_semaphore, shm_free, and timer_semaphore.

Referenced by lock_initialize(), and tm_shutdown().

int lock_initialize

(

void

)

Initialize the locks.

Returns:

0 on success, -1 otherwise

Definition at line 84 of file lock.c.

References entry_semaphore, LM_CRIT, LM_DBG, LM_INFO, lock_cleanup(), reply_semaphore, SEM_MAX, SEM_MIN, sem_nr, ser_lock_t::semaphore_index, ser_lock_t::semaphore_set, shm_malloc(), TG_NR, timer_group, and timer_semaphore.

Referenced by init_hash_table().