DB_ENV->mutex_unlock()
#include <db.h>
int
DB_ENV->mutex_unlock(DB_ENV *dbenv, db_mutex_t mutex); The DB_ENV->mutex_unlock() method unlocks the mutex locked by DB_ENV->mutex_lock().
The DB_ENV->mutex_unlock() method returns a non-zero error value on failure and 0 on success.
Parameters
mutex
The mutex parameter is a mutex previously locked by DB_ENV->mutex_lock().
Errors
The DB_ENV->mutex_unlock() method may fail and return one of the following non-zero errors:
EINVAL
An invalid flag value or parameter was specified.