Exemplo n.º 1
0
Arquivo: dbxml.go Projeto: pebbe/dbxml
// Close the database.
//
// This flushes all write operations to the database.
//
// This is called automaticly on garbage collection.
// Note that teminating the program does not call the garbage collector.
func (db *Db) Close() {
	db.lock.Lock()
	defer db.lock.Unlock()
	if db.opened {
		// Collect all the keys before starting to close, because closing will change the hash
		keys := make([]uint64, 0, len(db.queries))
		for key := range db.queries {
			keys = append(keys, key)
		}
		for _, key := range keys {
			db.queries[key].Close()
		}
		C.c_dbxml_free(db.db)
		db.opened = false
	}
}
Exemplo n.º 2
0
Arquivo: dbxml.go Projeto: pebbe/dbxml
// Open a database.
//
// Call db.Close() to ensure all write operations to the database are finished, before terminating the program.
func Open(filename string) (*Db, error) {
	db := &Db{
		queries: make(map[uint64]*Query),
	}
	cs := C.CString(filename)
	defer C.free(unsafe.Pointer(cs))
	db.db = C.c_dbxml_open(cs)
	if C.c_dbxml_error(db.db) != 0 {
		err := errors.New(C.GoString(C.c_dbxml_errstring(db.db)))
		C.c_dbxml_free(db.db)
		return db, err
	}
	db.opened = true
	runtime.SetFinalizer(db, (*Db).Close)
	return db, nil
}