rvm_logrecovr.c File Reference

#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/file.h>
#include <sys/time.h>
#include <errno.h>
#include "rvm_private.h"

Include dependency graph for rvm_logrecovr.c:

Macros
#define	ZERO   0
#define	NODES_PER_YIELD   1000000
#define	X(a)

Functions
rvm_return_t	alloc_log_buf (log_t *log)
void	free_log_buf (log_t *log)
rvm_return_t	init_buffer (log_t *log, rvm_offset_t *offset, rvm_bool_t direction, rvm_bool_t synch)
rvm_return_t	load_aux_buf (log_t *log, rvm_offset_t *log_offset, rvm_length_t length, rvm_length_t *aux_ptr, rvm_length_t *data_len, rvm_bool_t synch, rvm_bool_t pre_load)
void	clear_aux_buf (log_t *log)
rvm_bool_t	chk_hdr_currency (log_t *log, rec_hdr_t *rec_hdr)
void	reset_hdr_chks (log_t *log)
rvm_bool_t	chk_hdr_sequence (log_t *log, rec_hdr_t *rec_hdr, rvm_bool_t direction)
rvm_bool_t	validate_hdr (log_t *log, rec_hdr_t *rec_hdr, rec_end_t *rec_end, rvm_bool_t direction)
rvm_return_t	scan_nv_forward (log_t *log, rvm_bool_t synch)
rvm_return_t	scan_forward (log_t *log, rvm_bool_t synch)
rvm_return_t	scan_wrap_reverse (log_t *log, rvm_bool_t synch)
rvm_return_t	validate_rec_reverse (log_t *log, rvm_bool_t synch)
rvm_return_t	scan_reverse (log_t *log, rvm_bool_t synch)
rvm_return_t	locate_tail (log_t *log)
rvm_return_t	enter_seg_dict (log_t *log, long seg_code)
rvm_return_t	def_seg_dict (log_t *log, rec_hdr_t *rec_hdr)
rvm_return_t	log_recover (log_t *log, rvm_length_t *count, rvm_bool_t is_daemon, rvm_length_t flag)
rvm_return_t	rvm_truncate ()
rvm_bool_t	initiate_truncation (log_t *log, rvm_length_t threshold)
rvm_return_t	wait_for_truncation (log_t *log, struct timeval *time_stamp)
void	log_daemon (void *arg)

Variables
log_t *	default_log
list_entry_t	seg_root
rw_lock_t	seg_root_lock
rvm_bool_t	rvm_utlsw
char *	rvm_errmsg
rvm_bool_t	rvm_no_yield = rvm_false
rvm_length_t	rvm_num_nodes
rvm_length_t	rvm_max_depth
chk_vec_t *	rvm_chk_vec = NULL
rvm_length_t	rvm_chk_len = 0
rvm_monitor_call_t *	rvm_monitor = NULL
rvm_signal_call_t *	rvm_chk_sigint
rvm_length_t	truncation_times_vec [truncation_times_len]
rvm_bool_t	rvm_no_update
rvm_bool_t	rvm_replay
rvm_bool_t	rvm_chk_sum
rvm_bool_t	rvm_shadow_buf
char *	tst_buf

Macro Definition Documentation

NODES_PER_YIELD

#define NODES_PER_YIELD   1000000

X

#define X

(

a

)

ZERO

#define ZERO   0

Function Documentation

alloc_log_buf()

rvm_return_t alloc_log_buf

(

log_t *

log

)

chk_hdr_currency()

rvm_bool_t chk_hdr_currency	(	log_t *	log,
		rec_hdr_t *	rec_hdr
	)

chk_hdr_sequence()

rvm_bool_t chk_hdr_sequence	(	log_t *	log,
		rec_hdr_t *	rec_hdr,
		rvm_bool_t	direction
	)

clear_aux_buf()

void clear_aux_buf

(

log_t *

log

)

def_seg_dict()

rvm_return_t def_seg_dict	(	log_t *	log,
		rec_hdr_t *	rec_hdr
	)

enter_seg_dict()

rvm_return_t enter_seg_dict	(	log_t *	log,
		long	seg_code
	)

free_log_buf()

void free_log_buf

(

log_t *

log

)

init_buffer()

rvm_return_t init_buffer	(	log_t *	log,
		rvm_offset_t *	offset,
		rvm_bool_t	direction,
		rvm_bool_t	synch
	)

initiate_truncation()

rvm_bool_t initiate_truncation	(	log_t *	log,
		rvm_length_t	threshold
	)

load_aux_buf()

rvm_return_t load_aux_buf	(	log_t *	log,
		rvm_offset_t *	log_offset,
		rvm_length_t	length,
		rvm_length_t *	aux_ptr,
		rvm_length_t *	data_len,
		rvm_bool_t	synch,
		rvm_bool_t	pre_load
	)

locate_tail()

rvm_return_t locate_tail

(

log_t *

log

)

log_daemon()

void log_daemon

(

void *

arg

)

log_recover()

rvm_return_t log_recover	(	log_t *	log,
		rvm_length_t *	count,
		rvm_bool_t	is_daemon,
		rvm_length_t	flag
	)

reset_hdr_chks()

void reset_hdr_chks

(

log_t *

log

)

rvm_truncate()

rvm_return_t rvm_truncate

(

void

)

scan_forward()

rvm_return_t scan_forward	(	log_t *	log,
		rvm_bool_t	synch
	)

scan_nv_forward()

rvm_return_t scan_nv_forward	(	log_t *	log,
		rvm_bool_t	synch
	)

scan_reverse()

rvm_return_t scan_reverse	(	log_t *	log,
		rvm_bool_t	synch
	)

scan_wrap_reverse()

rvm_return_t scan_wrap_reverse	(	log_t *	log,
		rvm_bool_t	synch
	)

validate_hdr()

rvm_bool_t validate_hdr	(	log_t *	log,
		rec_hdr_t *	rec_hdr,
		rec_end_t *	rec_end,
		rvm_bool_t	direction
	)

validate_rec_reverse()

rvm_return_t validate_rec_reverse	(	log_t *	log,
		rvm_bool_t	synch
	)

wait_for_truncation()

rvm_return_t wait_for_truncation	(	log_t *	log,
		struct timeval *	time_stamp
	)

Variable Documentation

default_log

log_t* default_log

extern

rvm_chk_len

rvm_length_t rvm_chk_len = 0

rvm_chk_sigint

rvm_signal_call_t* rvm_chk_sigint

rvm_chk_sum

rvm_bool_t rvm_chk_sum

rvm_chk_vec

chk_vec_t* rvm_chk_vec = NULL

rvm_errmsg

char* rvm_errmsg

extern

rvm_max_depth

rvm_length_t rvm_max_depth

rvm_monitor

rvm_monitor_call_t* rvm_monitor = NULL

rvm_no_update

rvm_bool_t rvm_no_update

rvm_no_yield

rvm_bool_t rvm_no_yield = rvm_false

rvm_num_nodes

rvm_length_t rvm_num_nodes

rvm_replay

rvm_bool_t rvm_replay

rvm_shadow_buf

rvm_bool_t rvm_shadow_buf

rvm_utlsw

rvm_bool_t rvm_utlsw

extern

seg_root

list_entry_t seg_root

extern

seg_root_lock

rw_lock_t seg_root_lock

extern

truncation_times_vec

rvm_length_t truncation_times_vec[truncation_times_len]

Initial value:

= {
    truncation_times_dist
}

tst_buf

char* tst_buf