#include <db_cxx.h>

int
DbEnv::mutex_get_max(u_int32_t *maxp); 

The DbEnv::mutex_get_max() method returns the total number of mutexes allocated.

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

The DbEnv::mutex_get_max() 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.