#include <db.h> int DB_ENV->get_shm_key(DB_ENV *dbenv, long *shm_keyp);
The DB_ENV->get_shm_key()
method returns the base segment ID. This is used for Berkeley DB environment
shared memory regions created in system memory on VxWorks or systems supporting X/Open-style shared memory
interfaces. It may be specified using the
DB_ENV->set_shm_key()
method.
The DB_ENV->get_shm_key()
method may be called at any time during the
life of the application.
The DB_ENV->get_shm_key()
method returns a non-zero error value on failure and 0 on success.