// Release a shared or exclusive lock on an object.
func (ioctx *IOContext) Unlock(oid, name, cookie string) (int, error) {
c_oid := C.CString(oid)
c_name := C.CString(name)
c_cookie := C.CString(cookie)
defer C.free(unsafe.Pointer(c_oid))
defer C.free(unsafe.Pointer(c_name))
defer C.free(unsafe.Pointer(c_cookie))
// 0 on success, negative error code on failure
// -ENOENT if the lock is not held by the specified (client, cookie) pair
ret := C.rados_unlock(
ioctx.ioctx,
c_oid,
c_name,
c_cookie)
switch ret {
case 0:
return int(ret), nil
case -2: // -ENOENT
return int(ret), nil
default:
return int(ret), RadosError(int(ret))
}
}
// Unlock unlocks a locked object. This returns an error if the lock is not owned by the current client.
func (o *Object) Unlock(name, cookie string) error {
oid := C.CString(o.name)
defer freeString(oid)
n := C.CString(name)
defer freeString(n)
c := C.CString(cookie)
defer freeString(c)
ret := C.rados_unlock(o.ioContext, oid, n, c)
if int(ret) == -int(syscall.ENOENT) {
err := toRadosError(ret)
err.Message = fmt.Sprintf("%s does not own the lock.", o.name)
return err
}
return nil
}