System/Posix/Types.hs

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