content: {-# LANGUAGE Trustworthy #-}
  {-# LANGUAGE CPP
             , NoImplicitPrelude
             , MagicHash
             , GeneralizedNewtypeDeriving
    #-}
  #ifdef __GLASGOW_HASKELL__
  {-# LANGUAGE DeriveDataTypeable, StandaloneDeriving #-}
  #endif
  
  -----------------------------------------------------------------------------
  -- |
  -- Module      :  System.Posix.Types
  -- Copyright   :  (c) The University of Glasgow 2002
  -- License     :  BSD-style (see the file libraries/base/LICENSE)
  -- 
  -- Maintainer  :  libraries@haskell.org
  -- Stability   :  provisional
  -- Portability :  non-portable (requires POSIX)
  --
  -- POSIX data types: Haskell equivalents of the types defined by the
  -- @\<sys\/types.h>@ C header on a POSIX system.
  --
  -----------------------------------------------------------------------------
  #ifdef __NHC__
  #define HTYPE_DEV_T
  #define HTYPE_INO_T
  #define HTYPE_MODE_T
  #define HTYPE_OFF_T
  #define HTYPE_PID_T
  #define HTYPE_SSIZE_T
  #define HTYPE_GID_T
  #define HTYPE_NLINK_T
  #define HTYPE_UID_T
  #define HTYPE_CC_T
  #define HTYPE_SPEED_T
  #define HTYPE_TCFLAG_T
  #define HTYPE_RLIM_T
  #define HTYPE_NLINK_T
  #define HTYPE_UID_T
  #define HTYPE_GID_T
  #else
  #include "HsBaseConfig.h"
  #endif
  
  module System.Posix.Types (
  
    -- * POSIX data types
  #if defined(HTYPE_DEV_T)
    CDev(..),
  #endif
  #if defined(HTYPE_INO_T)
    CIno(..),
  #endif
  #if defined(HTYPE_MODE_T)
    CMode(..),
  #endif
  #if defined(HTYPE_OFF_T)
    COff(..),
  #endif
  #if defined(HTYPE_PID_T)
    CPid(..),
  #endif
  #if defined(HTYPE_SSIZE_T)
    CSsize(..),
  #endif
  
  #if defined(HTYPE_GID_T)
    CGid(..),
  #endif
  #if defined(HTYPE_NLINK_T)
    CNlink(..),
  #endif
  #if defined(HTYPE_UID_T)
    CUid(..),
  #endif
  #if defined(HTYPE_CC_T)
    CCc(..),
  #endif
  #if defined(HTYPE_SPEED_T)
    CSpeed(..),
  #endif
  #if defined(HTYPE_TCFLAG_T)
    CTcflag(..),
  #endif
  #if defined(HTYPE_RLIM_T)
    CRLim(..),
  #endif
  
    Fd(..),
  
  #if defined(HTYPE_NLINK_T)
    LinkCount,
  #endif
  #if defined(HTYPE_UID_T)
    UserID,
  #endif
  #if defined(HTYPE_GID_T)
    GroupID,
  #endif
  
    ByteCount,
    ClockTick,
    EpochTime,
    FileOffset,
    ProcessID,
    ProcessGroupID,
    DeviceID,
    FileID,
    FileMode,
    Limit
   ) where
  
  #ifdef __NHC__
  import NHC.PosixTypes
  import Foreign.C
  #else
  
  import Foreign
  import Foreign.C
  import Data.Typeable
  -- import Data.Bits
  
  #ifdef __GLASGOW_HASKELL__
  import GHC.Base
  import GHC.Enum
  import GHC.Num
  import GHC.Real
  -- import GHC.Prim
  import GHC.Read
  import GHC.Show
  #else
  import Control.Monad
  #endif
  
  #include "CTypes.h"
  
  #if defined(HTYPE_DEV_T)
  ARITHMETIC_TYPE(CDev,tyConCDev,"CDev",HTYPE_DEV_T)
  #endif
  #if defined(HTYPE_INO_T)
  INTEGRAL_TYPE(CIno,tyConCIno,"CIno",HTYPE_INO_T)
  #endif
  #if defined(HTYPE_MODE_T)
  INTEGRAL_TYPE(CMode,tyConCMode,"CMode",HTYPE_MODE_T)
  #endif
  #if defined(HTYPE_OFF_T)
  INTEGRAL_TYPE(COff,tyConCOff,"COff",HTYPE_OFF_T)
  #endif
  #if defined(HTYPE_PID_T)
  INTEGRAL_TYPE(CPid,tyConCPid,"CPid",HTYPE_PID_T)
  #endif
  
  #if defined(HTYPE_SSIZE_T)
  INTEGRAL_TYPE(CSsize,tyConCSsize,"CSsize",HTYPE_SSIZE_T)
  #endif
  
  #if defined(HTYPE_GID_T)
  INTEGRAL_TYPE(CGid,tyConCGid,"CGid",HTYPE_GID_T)
  #endif
  #if defined(HTYPE_NLINK_T)
  INTEGRAL_TYPE(CNlink,tyConCNlink,"CNlink",HTYPE_NLINK_T)
  #endif
  
  #if defined(HTYPE_UID_T)
  INTEGRAL_TYPE(CUid,tyConCUid,"CUid",HTYPE_UID_T)
  #endif
  #if defined(HTYPE_CC_T)
  ARITHMETIC_TYPE(CCc,tyConCCc,"CCc",HTYPE_CC_T)
  #endif
  #if defined(HTYPE_SPEED_T)
  ARITHMETIC_TYPE(CSpeed,tyConCSpeed,"CSpeed",HTYPE_SPEED_T)
  #endif
  #if defined(HTYPE_TCFLAG_T)
  INTEGRAL_TYPE(CTcflag,tyConCTcflag,"CTcflag",HTYPE_TCFLAG_T)
  #endif
  #if defined(HTYPE_RLIM_T)
  INTEGRAL_TYPE(CRLim,tyConCRlim,"CRLim",HTYPE_RLIM_T)
  #endif
  
  -- ToDo: blksize_t, clockid_t, blkcnt_t, fsblkcnt_t, fsfilcnt_t, id_t, key_t
  -- suseconds_t, timer_t, useconds_t
  
  -- Make an Fd type rather than using CInt everywhere
  INTEGRAL_TYPE(Fd,tyConFd,"Fd",CInt)
  
  -- nicer names, and backwards compatibility with POSIX library:
  #if defined(HTYPE_NLINK_T)
  type LinkCount      = CNlink
  #endif
  #if defined(HTYPE_UID_T)
  type UserID         = CUid
  #endif
  #if defined(HTYPE_GID_T)
  type GroupID        = CGid
  #endif
  
  #endif /* !__NHC__ */
  
  type ByteCount      = CSize
  type ClockTick      = CClock
  type EpochTime      = CTime
  type DeviceID       = CDev
  type FileID         = CIno
  type FileMode       = CMode
  type ProcessID      = CPid
  type FileOffset     = COff
  type ProcessGroupID = CPid
  type Limit          = CLong
  
  