Synnefo » snf-ganeti

{-| Ganeti lock structure

-}

{-

Copyright (C) 2014 Google Inc.

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful, but

WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software

Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

02110-1301, USA.

-}

module Ganeti.Locking.Locks

  ( GanetiLocks(..)

  , GanetiLockAllocation

  ) where

import Ganeti.Locking.Allocation

import Ganeti.Locking.Types

import Ganeti.Types

-- | The type of Locks available in Ganeti. The order of this type

-- is the lock oder.

data GanetiLocks = BGL deriving (Ord, Eq, Show)

-- TODO: add the remaining locks

instance Lock GanetiLocks where

  lockImplications BGL = []

-- | The type of lock Allocations in Ganeti. In Ganeti, the owner of

-- locks are jobs.

type GanetiLockAllocation = LockAllocation GanetiLocks JobId