#include <db_cxx.h>

int
DbEnv::mutex_get_increment(u_int32_t *incrementp);

The DbEnv::mutex_get_increment() method returns the number of additional mutexes to allocate.

The DbEnv::mutex_get_increment() method may be called at any time during the life of the application.

The DbEnv::mutex_get_increment() method either returns a non-zero error value or throws an exception that encapsulates a non-zero error value on failure, and returns 0 on success.