func (db *Db) Close() {
ret := C.db_close(db.db)
if ret == 0 {
return
} else if ret == C.EINVAL {
log.Error("Close|db_close|EINVAL")
return
}
go func() {
for {
ret := C.db_close(db.db)
if ret == 0 {
break
} else if ret == C.EINVAL {
log.Error("Close|db_close|EINVAL")
break
} else if ret == C.DB_LOCK_DEADLOCK {
log.Error("Close|db_close|DB_LOCK_DEADLOCK")
} else if ret == C.DB_LOCK_NOTGRANTED {
log.Error("Close|db_close|DB_LOCK_NOTGRANTED")
} else {
log.Error("Close|db_close|unknown|%v", ret)
break
}
time.Sleep(time.Millisecond)
}
}()
}
// Open a database in the given file and environment.
func OpenDatabase(env Environment, txn Transaction, file string, config *DatabaseConfig) (db Database, err error) {
err = check(C.db_create(&db.ptr, env.ptr, 0))
if err == nil {
defer func() {
if err != nil && db.ptr != nil {
C.db_close(db.ptr, 0)
db.ptr = nil
}
}()
} else {
return
}
var mode C.int = 0
var flags C.u_int32_t = C.DB_THREAD
var cfile, cpassword, cname *C.char
var dbtype C.DBTYPE = C.DB_UNKNOWN
if len(file) > 0 {
cfile = C.CString(file)
defer C.free(unsafe.Pointer(cfile))
}
if config != nil {
if config.Create {
flags |= C.DB_CREATE
}
if config.Mode != 0 {
mode = C.int(config.Mode)
}
if len(config.Password) > 0 {
cpassword := C.CString(config.Password)
defer C.free(unsafe.Pointer(cpassword))
}
if len(config.Name) > 0 {
cname = C.CString(config.Name)
defer C.free(unsafe.Pointer(cname))
}
if config.Type != 0 {
dbtype = C.DBTYPE(config.Type)
}
if config.ReadUncommitted {
flags |= C.DB_READ_UNCOMMITTED
}
if config.Snapshot {
flags |= C.DB_MULTIVERSION
}
}
if cpassword != nil {
err = check(C.db_set_encrypt(db.ptr, cpassword, 0))
if err != nil {
return
}
}
err = check(C.db_open(db.ptr, txn.ptr, cfile, cname, dbtype, flags, mode))
return
}
func (db BerkeleyDB) Close(flags DbFlag) error {
if db.ptr == nil {
return ok
}
err := Err(C.db_close(db.ptr, C.u_int32_t(flags)))
if err != nil {
return err
}
db.ptr = nil
return ok
}
func (db *DB) Close() error {
db.lk.Lock()
defer db.lk.Unlock()
if db.db == nil {
return nil
}
n, err := C.db_close(db.db)
db.db = nil
if n != 0 {
return err
}
return nil
}
// Close the database.
func (db Database) Close() (err error) {
err = check(C.db_close(db.ptr, 0))
return
}
