DB_ENV->lock_stat_print()

#include <db.h>

int
DB_ENV->lock_stat_print(DB_ENV *env, u_int32_t flags);

The DB_ENV->lock_stat_print() method displays the locking subsystem statistical information, as described for the DB_ENV->lock_stat() method. The information is printed to a specified output channel (see the DB_ENV->set_msgfile() method for more information), or passed to an application callback function (see the DB_ENV->set_msgcall() method for more information).

The DB_ENV->lock_stat_print() method may not be called before the DB_ENV->open() method is called.

The DB_ENV->lock_stat_print() method returns a non-zero error value on failure and 0 on success.

Parameters

flags

The flags parameter must be set to 0 or by bitwise inclusively OR'ing together one or more of the following values:

DB_STAT_ALL

Display all available information. For each object, the amount of data displayed is limited to 100 bytes, unless some other limit is set by calling DB_ENV->set_data_len(), or by using the DB_CONFIG "set_data_len" parameter.
DB_STAT_CLEAR

Reset statistics after displaying their values.
DB_STAT_LOCK_CONF

Display the lock conflict matrix.
DB_STAT_LOCK_LOCKERS

Display the lockers within hash chains.
DB_STAT_LOCK_OBJECTS

Display the lock objects within hash chains. For each object, the amount of data displayed is limited to 100 bytes, unless some other limit is set by calling DB_ENV->set_data_len(), or by using the DB_CONFIG "set_data_len" parameter.
DB_STAT_LOCK_PARAMS

Display the locking subsystem parameters.

Class

DB_ENV, DB_LOCK