Library Version 18.1.40

DB_ENV->lock_stat_print()
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## 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_ALLOC`

  Display allocation information. To display allocation information, both DB_STAT_ALLOC and DB_STAT_ALL need to be set.

- `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

### See Also

Locking Subsystem and Related Methods

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