#include <db_cxx.h>

int
DbEnv::mutex_unlock(db_mutex_t mutex);

The DbEnv::mutex_unlock method unlocks the mutex locked by DbEnv::mutex_lock.

The DbEnv::mutex_unlock method may not be called before the DbEnv::open method is called.

The DbEnv::mutex_unlock 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.

• The mutex parameter is a mutex previously locked by DbEnv::mutex_lock.

The DbEnv::mutex_unlock method may fail and throw DbException, encapsulating one of the following non-zero errors, or return one of the following non-zero errors:

• An invalid flag value or parameter was specified.