System/Posix/Types.hs

   1 {-# LANGUAGE CPP
   2            , NoImplicitPrelude
   3            , MagicHash
   4            , GeneralizedNewtypeDeriving
   5   #-}
   6 {-# OPTIONS_GHC -fno-warn-unused-binds #-}
   7 #ifdef __GLASGOW_HASKELL__
   8 {-# LANGUAGE DeriveDataTypeable, StandaloneDeriving #-}
   9 #endif
  10
  11 -----------------------------------------------------------------------------
  12 -- |
  13 -- Module      :  System.Posix.Types
  14 -- Copyright   :  (c) The University of Glasgow 2002
  15 -- License     :  BSD-style (see the file libraries/base/LICENSE)
  16 --
  17 -- Maintainer  :  libraries@haskell.org
  18 -- Stability   :  provisional
  19 -- Portability :  non-portable (requires POSIX)
  20 --
  21 -- POSIX data types: Haskell equivalents of the types defined by the
  22 -- @\<sys\/types.h>@ C header on a POSIX system.
  23 --
  24 -----------------------------------------------------------------------------
  25 #ifdef __NHC__
  26 #define HTYPE_DEV_T
  27 #define HTYPE_INO_T
  28 #define HTYPE_MODE_T
  29 #define HTYPE_OFF_T
  30 #define HTYPE_PID_T
  31 #define HTYPE_SSIZE_T
  32 #define HTYPE_GID_T
  33 #define HTYPE_NLINK_T
  34 #define HTYPE_UID_T
  35 #define HTYPE_CC_T
  36 #define HTYPE_SPEED_T
  37 #define HTYPE_TCFLAG_T
  38 #define HTYPE_RLIM_T
  39 #define HTYPE_NLINK_T
  40 #define HTYPE_UID_T
  41 #define HTYPE_GID_T
  42 #else
  43 #include "HsBaseConfig.h"
  44 #endif
  45
  46 module System.Posix.Types (
  47
  48   -- * POSIX data types
  49 #if defined(HTYPE_DEV_T)
  50   CDev,
  51 #endif
  52 #if defined(HTYPE_INO_T)
  53   CIno,
  54 #endif
  55 #if defined(HTYPE_MODE_T)
  56   CMode,
  57 #endif
  58 #if defined(HTYPE_OFF_T)
  59   COff,
  60 #endif
  61 #if defined(HTYPE_PID_T)
  62   CPid,
  63 #endif
  64 #if defined(HTYPE_SSIZE_T)
  65   CSsize,
  66 #endif
  67
  68 #if defined(HTYPE_GID_T)
  69   CGid,
  70 #endif
  71 #if defined(HTYPE_NLINK_T)
  72   CNlink,
  73 #endif
  74 #if defined(HTYPE_UID_T)
  75   CUid,
  76 #endif
  77 #if defined(HTYPE_CC_T)
  78   CCc,
  79 #endif
  80 #if defined(HTYPE_SPEED_T)
  81   CSpeed,
  82 #endif
  83 #if defined(HTYPE_TCFLAG_T)
  84   CTcflag,
  85 #endif
  86 #if defined(HTYPE_RLIM_T)
  87   CRLim,
  88 #endif
  89
  90   Fd(..),
  91
  92 #if defined(HTYPE_NLINK_T)
  93   LinkCount,
  94 #endif
  95 #if defined(HTYPE_UID_T)
  96   UserID,
  97 #endif
  98 #if defined(HTYPE_GID_T)
  99   GroupID,
 100 #endif
 101
 102   ByteCount,
 103   ClockTick,
 104   EpochTime,
 105   FileOffset,
 106   ProcessID,
 107   ProcessGroupID,
 108   DeviceID,
 109   FileID,
 110   FileMode,
 111   Limit
 112  ) where
 113
 114 #ifdef __NHC__
 115 import NHC.PosixTypes
 116 import Foreign.C
 117 #else
 118
 119 import Foreign
 120 import Foreign.C
 121 import Data.Typeable
 122 -- import Data.Bits
 123
 124 #ifdef __GLASGOW_HASKELL__
 125 import GHC.Base
 126 import GHC.Enum
 127 import GHC.Num
 128 import GHC.Real
 129 -- import GHC.Prim
 130 import GHC.Read
 131 import GHC.Show
 132 #else
 133 import Control.Monad
 134 #endif
 135
 136 #include "CTypes.h"
 137
 138 #if defined(HTYPE_DEV_T)
 139 ARITHMETIC_TYPE(CDev,tyConCDev,"CDev",HTYPE_DEV_T)
 140 #endif
 141 #if defined(HTYPE_INO_T)
 142 INTEGRAL_TYPE(CIno,tyConCIno,"CIno",HTYPE_INO_T)
 143 #endif
 144 #if defined(HTYPE_MODE_T)
 145 INTEGRAL_TYPE(CMode,tyConCMode,"CMode",HTYPE_MODE_T)
 146 #endif
 147 #if defined(HTYPE_OFF_T)
 148 INTEGRAL_TYPE(COff,tyConCOff,"COff",HTYPE_OFF_T)
 149 #endif
 150 #if defined(HTYPE_PID_T)
 151 INTEGRAL_TYPE(CPid,tyConCPid,"CPid",HTYPE_PID_T)
 152 #endif
 153
 154 #if defined(HTYPE_SSIZE_T)
 155 INTEGRAL_TYPE(CSsize,tyConCSsize,"CSsize",HTYPE_SSIZE_T)
 156 #endif
 157
 158 #if defined(HTYPE_GID_T)
 159 INTEGRAL_TYPE(CGid,tyConCGid,"CGid",HTYPE_GID_T)
 160 #endif
 161 #if defined(HTYPE_NLINK_T)
 162 INTEGRAL_TYPE(CNlink,tyConCNlink,"CNlink",HTYPE_NLINK_T)
 163 #endif
 164
 165 #if defined(HTYPE_UID_T)
 166 INTEGRAL_TYPE(CUid,tyConCUid,"CUid",HTYPE_UID_T)
 167 #endif
 168 #if defined(HTYPE_CC_T)
 169 ARITHMETIC_TYPE(CCc,tyConCCc,"CCc",HTYPE_CC_T)
 170 #endif
 171 #if defined(HTYPE_SPEED_T)
 172 ARITHMETIC_TYPE(CSpeed,tyConCSpeed,"CSpeed",HTYPE_SPEED_T)
 173 #endif
 174 #if defined(HTYPE_TCFLAG_T)
 175 INTEGRAL_TYPE(CTcflag,tyConCTcflag,"CTcflag",HTYPE_TCFLAG_T)
 176 #endif
 177 #if defined(HTYPE_RLIM_T)
 178 INTEGRAL_TYPE(CRLim,tyConCRlim,"CRLim",HTYPE_RLIM_T)
 179 #endif
 180
 181 -- ToDo: blksize_t, clockid_t, blkcnt_t, fsblkcnt_t, fsfilcnt_t, id_t, key_t
 182 -- suseconds_t, timer_t, useconds_t
 183
 184 -- Make an Fd type rather than using CInt everywhere
 185 INTEGRAL_TYPE(Fd,tyConFd,"Fd",CInt)
 186
 187 -- nicer names, and backwards compatibility with POSIX library:
 188 #if defined(HTYPE_NLINK_T)
 189 type LinkCount      = CNlink
 190 #endif
 191 #if defined(HTYPE_UID_T)
 192 type UserID         = CUid
 193 #endif
 194 #if defined(HTYPE_GID_T)
 195 type GroupID        = CGid
 196 #endif
 197
 198 #endif /* !__NHC__ */
 199
 200 type ByteCount      = CSize
 201 type ClockTick      = CClock
 202 type EpochTime      = CTime
 203 type DeviceID       = CDev
 204 type FileID         = CIno
 205 type FileMode       = CMode
 206 type ProcessID      = CPid
 207 type FileOffset     = COff
 208 type ProcessGroupID = CPid
 209 type Limit          = CLong
 210