System/Posix/Types.hs

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