System/Posix/Types.hs

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