#include <db.h>

int
DB_ENV->mutex_get_tas_spins(DB_ENV *dbenv, u_int32_t *tas_spinsp);  

The DB_ENV->mutex_get_tas_spins() method returns the test-and-set spin count. This value may be configured using the DB_ENV->mutex_set_tas_spins() method.

The DB_ENV->mutex_get_tas_spins() method may be called at any time during the life of the application.

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