X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=System%2FPosix%2FInternals.hs;h=4a836359834a1d3e8254708d57329e5373121fd2;hb=68871b8dc3e82472e98cecdbf8e629091c83549e;hp=02fec1778f0d61c104f82921b233230c647efc6d;hpb=752b0fbd916bbe75357421b8f9d68efad1963011;p=ghc-base.git diff --git a/System/Posix/Internals.hs b/System/Posix/Internals.hs index 02fec17..4a83635 100644 --- a/System/Posix/Internals.hs +++ b/System/Posix/Internals.hs @@ -1,4 +1,5 @@ -{-# OPTIONS_GHC -fno-implicit-prelude #-} +{-# LANGUAGE CPP, NoImplicitPrelude, ForeignFunctionInterface #-} +{-# OPTIONS_HADDOCK hide #-} ----------------------------------------------------------------------------- -- | @@ -8,51 +9,65 @@ -- -- Maintainer : cvs-ghc@haskell.org -- Stability : internal --- Portability : non-portable +-- Portability : non-portable (requires POSIX) -- -- POSIX support layer for the standard libraries. -- This library is built on *every* platform, including Win32. -- -- Non-posix compliant in order to support the following features: --- * S_ISSOCK (no sockets in POSIX) +-- * S_ISSOCK (no sockets in POSIX) -- ----------------------------------------------------------------------------- -- #hide module System.Posix.Internals where -#include "ghcconfig.h" -#include "HsBaseConfig.h" +#ifdef __NHC__ +#define HTYPE_TCFLAG_T +#else +# include "HsBaseConfig.h" +#endif +#if ! (defined(mingw32_HOST_OS) || defined(__MINGW32__)) import Control.Monad +#endif import System.Posix.Types import Foreign import Foreign.C -import Data.Bits +-- import Data.Bits import Data.Maybe -#ifdef __GLASGOW_HASKELL__ +#if !defined(HTYPE_TCFLAG_T) +import System.IO.Error +#endif + +#if __GLASGOW_HASKELL__ import GHC.Base import GHC.Num import GHC.Real -import GHC.IOBase -#else +import GHC.IO +import GHC.IO.IOMode +import GHC.IO.Exception +import GHC.IO.Device +#elif __HUGS__ +import Hugs.Prelude (IOException(..), IOErrorType(..)) +import Hugs.IO (IOMode(..)) +#elif __NHC__ +import GHC.IO.Device -- yes, I know, but its portable, really! import System.IO +import Control.Exception +import DIOError #endif #ifdef __HUGS__ -import Hugs.Prelude (IOException(..), IOErrorType(..)) - -{-# CFILES cbits/PrelIOUtils.c cbits/dirUtils.c cbits/consUtils.c #-} +{-# CFILES cbits/PrelIOUtils.c cbits/consUtils.c #-} #endif -- --------------------------------------------------------------------------- -- Types -type CDir = () -type CDirent = () type CFLock = () type CGroup = () type CLconv = () @@ -61,86 +76,85 @@ type CSigaction = () type CSigset = () type CStat = () type CTermios = () -type CTm = () -type CTms = () +type CTm = () +type CTms = () type CUtimbuf = () type CUtsname = () -#ifndef __GLASGOW_HASKELL__ -type FD = Int -#endif +type FD = CInt -- --------------------------------------------------------------------------- -- stat()-related stuff -fdFileSize :: Int -> IO Integer +fdFileSize :: FD -> IO Integer fdFileSize fd = allocaBytes sizeof_stat $ \ p_stat -> do - throwErrnoIfMinus1Retry "fileSize" $ - c_fstat (fromIntegral fd) p_stat + throwErrnoIfMinus1Retry_ "fileSize" $ + c_fstat fd p_stat c_mode <- st_mode p_stat :: IO CMode if not (s_isreg c_mode) - then return (-1) - else do - c_size <- st_size p_stat :: IO COff - return (fromIntegral c_size) + then return (-1) + else do + c_size <- st_size p_stat + return (fromIntegral c_size) -data FDType = Directory | Stream | RegularFile | RawDevice - deriving (Eq) - -fileType :: FilePath -> IO FDType +fileType :: FilePath -> IO IODeviceType fileType file = allocaBytes sizeof_stat $ \ p_stat -> do - withCString file $ \p_file -> do - throwErrnoIfMinus1Retry "fileType" $ + withFilePath file $ \p_file -> do + throwErrnoIfMinus1Retry_ "fileType" $ c_stat p_file p_stat statGetType p_stat -- NOTE: On Win32 platforms, this will only work with file descriptors -- referring to file handles. i.e., it'll fail for socket FDs. -fdType :: Int -> IO FDType -fdType fd = +fdStat :: FD -> IO (IODeviceType, CDev, CIno) +fdStat fd = allocaBytes sizeof_stat $ \ p_stat -> do - throwErrnoIfMinus1Retry "fdType" $ - c_fstat (fromIntegral fd) p_stat - statGetType p_stat + throwErrnoIfMinus1Retry_ "fdType" $ + c_fstat fd p_stat + ty <- statGetType p_stat + dev <- st_dev p_stat + ino <- st_ino p_stat + return (ty,dev,ino) + +fdType :: FD -> IO IODeviceType +fdType fd = do (ty,_,_) <- fdStat fd; return ty +statGetType :: Ptr CStat -> IO IODeviceType statGetType p_stat = do c_mode <- st_mode p_stat :: IO CMode case () of - _ | s_isdir c_mode -> return Directory + _ | s_isdir c_mode -> return Directory | s_isfifo c_mode || s_issock c_mode || s_ischr c_mode - -> return Stream - | s_isreg c_mode -> return RegularFile - -- Q: map char devices to RawDevice too? - | s_isblk c_mode -> return RawDevice - | otherwise -> ioError ioe_unknownfiletype + -> return Stream + | s_isreg c_mode -> return RegularFile + -- Q: map char devices to RawDevice too? + | s_isblk c_mode -> return RawDevice + | otherwise -> ioError ioe_unknownfiletype - +ioe_unknownfiletype :: IOException +#ifndef __NHC__ ioe_unknownfiletype = IOError Nothing UnsupportedOperation "fdType" - "unknown file type" Nothing - -#if __GLASGOW_HASKELL__ && (defined(mingw32_HOST_OS) || defined(__MINGW32__)) -closeFd :: Bool -> CInt -> IO CInt -closeFd isStream fd - | isStream = c_closesocket fd - | otherwise = c_close fd - -foreign import stdcall unsafe "HsBase.h closesocket" - c_closesocket :: CInt -> IO CInt + "unknown file type" +# if __GLASGOW_HASKELL__ + Nothing +# endif + Nothing +#else +ioe_unknownfiletype = UserError "fdType" "unknown file type" #endif -fdGetMode :: Int -> IO IOMode -fdGetMode fd = do +fdGetMode :: FD -> IO IOMode #if defined(mingw32_HOST_OS) || defined(__MINGW32__) - -- XXX: this code is *BROKEN*, _setmode only deals with O_TEXT/O_BINARY - flags1 <- throwErrnoIfMinus1Retry "fdGetMode" - (c__setmode (fromIntegral fd) (fromIntegral o_WRONLY)) - flags <- throwErrnoIfMinus1Retry "fdGetMode" - (c__setmode (fromIntegral fd) (fromIntegral flags1)) +fdGetMode _ = do + -- We don't have a way of finding out which flags are set on FDs + -- on Windows, so make a handle that thinks that anything goes. + let flags = o_RDWR #else +fdGetMode fd = do flags <- throwErrnoIfMinus1Retry "fdGetMode" - (c_fcntl_read (fromIntegral fd) const_f_getfl) + (c_fcntl_read fd const_f_getfl) #endif let wH = (flags .&. o_WRONLY) /= 0 @@ -148,93 +162,102 @@ fdGetMode fd = do rwH = (flags .&. o_RDWR) /= 0 mode - | wH && aH = AppendMode - | wH = WriteMode - | rwH = ReadWriteMode - | otherwise = ReadMode - + | wH && aH = AppendMode + | wH = WriteMode + | rwH = ReadWriteMode + | otherwise = ReadMode + return mode +#ifdef mingw32_HOST_OS +withFilePath :: FilePath -> (CWString -> IO a) -> IO a +withFilePath = withCWString +#else +withFilePath :: FilePath -> (CString -> IO a) -> IO a +withFilePath = withCString +#endif + -- --------------------------------------------------------------------------- -- Terminal-related stuff -fdIsTTY :: Int -> IO Bool -fdIsTTY fd = c_isatty (fromIntegral fd) >>= return.toBool - #if defined(HTYPE_TCFLAG_T) -setEcho :: Int -> Bool -> IO () +setEcho :: FD -> Bool -> IO () setEcho fd on = do tcSetAttr fd $ \ p_tios -> do - c_lflag <- c_lflag p_tios :: IO CTcflag - let new_c_lflag - | on = c_lflag .|. fromIntegral const_echo - | otherwise = c_lflag .&. complement (fromIntegral const_echo) - poke_c_lflag p_tios (new_c_lflag :: CTcflag) + lflag <- c_lflag p_tios :: IO CTcflag + let new_lflag + | on = lflag .|. fromIntegral const_echo + | otherwise = lflag .&. complement (fromIntegral const_echo) + poke_c_lflag p_tios (new_lflag :: CTcflag) -getEcho :: Int -> IO Bool +getEcho :: FD -> IO Bool getEcho fd = do tcSetAttr fd $ \ p_tios -> do - c_lflag <- c_lflag p_tios :: IO CTcflag - return ((c_lflag .&. fromIntegral const_echo) /= 0) + lflag <- c_lflag p_tios :: IO CTcflag + return ((lflag .&. fromIntegral const_echo) /= 0) -setCooked :: Int -> Bool -> IO () +setCooked :: FD -> Bool -> IO () setCooked fd cooked = tcSetAttr fd $ \ p_tios -> do -- turn on/off ICANON - c_lflag <- c_lflag p_tios :: IO CTcflag - let new_c_lflag | cooked = c_lflag .|. (fromIntegral const_icanon) - | otherwise = c_lflag .&. complement (fromIntegral const_icanon) - poke_c_lflag p_tios (new_c_lflag :: CTcflag) + lflag <- c_lflag p_tios :: IO CTcflag + let new_lflag | cooked = lflag .|. (fromIntegral const_icanon) + | otherwise = lflag .&. complement (fromIntegral const_icanon) + poke_c_lflag p_tios (new_lflag :: CTcflag) -- set VMIN & VTIME to 1/0 respectively when (not cooked) $ do c_cc <- ptr_c_cc p_tios - let vmin = (c_cc `plusPtr` (fromIntegral const_vmin)) :: Ptr Word8 - vtime = (c_cc `plusPtr` (fromIntegral const_vtime)) :: Ptr Word8 - poke vmin 1 - poke vtime 0 + let vmin = (c_cc `plusPtr` (fromIntegral const_vmin)) :: Ptr Word8 + vtime = (c_cc `plusPtr` (fromIntegral const_vtime)) :: Ptr Word8 + poke vmin 1 + poke vtime 0 tcSetAttr :: FD -> (Ptr CTermios -> IO a) -> IO a tcSetAttr fd fun = do allocaBytes sizeof_termios $ \p_tios -> do - throwErrnoIfMinus1Retry "tcSetAttr" - (c_tcgetattr (fromIntegral fd) p_tios) + throwErrnoIfMinus1Retry_ "tcSetAttr" + (c_tcgetattr fd p_tios) #ifdef __GLASGOW_HASKELL__ - -- Save a copy of termios, if this is a standard file descriptor. - -- These terminal settings are restored in hs_exit(). - when (fd <= 2) $ do - p <- get_saved_termios fd - when (p == nullPtr) $ do - saved_tios <- mallocBytes sizeof_termios - copyBytes saved_tios p_tios sizeof_termios - set_saved_termios fd saved_tios + -- Save a copy of termios, if this is a standard file descriptor. + -- These terminal settings are restored in hs_exit(). + when (fd <= 2) $ do + p <- get_saved_termios fd + when (p == nullPtr) $ do + saved_tios <- mallocBytes sizeof_termios + copyBytes saved_tios p_tios sizeof_termios + set_saved_termios fd saved_tios #endif - -- tcsetattr() when invoked by a background process causes the process - -- to be sent SIGTTOU regardless of whether the process has TOSTOP set - -- in its terminal flags (try it...). This function provides a - -- wrapper which temporarily blocks SIGTTOU around the call, making it - -- transparent. - allocaBytes sizeof_sigset_t $ \ p_sigset -> do - allocaBytes sizeof_sigset_t $ \ p_old_sigset -> do - c_sigemptyset p_sigset - c_sigaddset p_sigset const_sigttou - c_sigprocmask const_sig_block p_sigset p_old_sigset - r <- fun p_tios -- do the business - throwErrnoIfMinus1Retry_ "tcSetAttr" $ - c_tcsetattr (fromIntegral fd) const_tcsanow p_tios - c_sigprocmask const_sig_setmask p_old_sigset nullPtr - return r + -- tcsetattr() when invoked by a background process causes the process + -- to be sent SIGTTOU regardless of whether the process has TOSTOP set + -- in its terminal flags (try it...). This function provides a + -- wrapper which temporarily blocks SIGTTOU around the call, making it + -- transparent. + allocaBytes sizeof_sigset_t $ \ p_sigset -> do + allocaBytes sizeof_sigset_t $ \ p_old_sigset -> do + throwErrnoIfMinus1_ "sigemptyset" $ + c_sigemptyset p_sigset + throwErrnoIfMinus1_ "sigaddset" $ + c_sigaddset p_sigset const_sigttou + throwErrnoIfMinus1_ "sigprocmask" $ + c_sigprocmask const_sig_block p_sigset p_old_sigset + r <- fun p_tios -- do the business + throwErrnoIfMinus1Retry_ "tcSetAttr" $ + c_tcsetattr fd const_tcsanow p_tios + throwErrnoIfMinus1_ "sigprocmask" $ + c_sigprocmask const_sig_setmask p_old_sigset nullPtr + return r #ifdef __GLASGOW_HASKELL__ foreign import ccall unsafe "HsBase.h __hscore_get_saved_termios" - get_saved_termios :: Int -> IO (Ptr CTermios) + get_saved_termios :: CInt -> IO (Ptr CTermios) foreign import ccall unsafe "HsBase.h __hscore_set_saved_termios" - set_saved_termios :: Int -> (Ptr CTermios) -> IO () + set_saved_termios :: CInt -> (Ptr CTermios) -> IO () #endif #else @@ -247,28 +270,33 @@ foreign import ccall unsafe "HsBase.h __hscore_set_saved_termios" -- report that character until another character is input..odd.) This -- latter feature doesn't sit too well with IO actions like IO.hGetLine.. -- consider yourself warned. -setCooked :: Int -> Bool -> IO () +setCooked :: FD -> Bool -> IO () setCooked fd cooked = do - x <- set_console_buffering (fromIntegral fd) (if cooked then 1 else 0) + x <- set_console_buffering fd (if cooked then 1 else 0) if (x /= 0) then ioError (ioe_unk_error "setCooked" "failed to set buffering") else return () +ioe_unk_error :: String -> String -> IOException ioe_unk_error loc msg - = IOError Nothing OtherError loc msg Nothing +#ifndef __NHC__ + = ioeSetErrorString (mkIOError OtherError loc Nothing Nothing) msg +#else + = UserError loc msg +#endif -- Note: echoing goes hand in hand with enabling 'line input' / raw-ness -- for Win32 consoles, hence setEcho ends up being the inverse of setCooked. -setEcho :: Int -> Bool -> IO () +setEcho :: FD -> Bool -> IO () setEcho fd on = do - x <- set_console_echo (fromIntegral fd) (if on then 1 else 0) + x <- set_console_echo fd (if on then 1 else 0) if (x /= 0) then ioError (ioe_unk_error "setEcho" "failed to set echoing") else return () -getEcho :: Int -> IO Bool +getEcho :: FD -> IO Bool getEcho fd = do - r <- get_console_echo (fromIntegral fd) + r <- get_console_echo fd if (r == (-1)) then ioError (ioe_unk_error "getEcho" "failed to get echoing") else return (r == 1) @@ -282,47 +310,62 @@ foreign import ccall unsafe "consUtils.h set_console_echo__" foreign import ccall unsafe "consUtils.h get_console_echo__" get_console_echo :: CInt -> IO CInt +foreign import ccall unsafe "consUtils.h is_console__" + is_console :: CInt -> IO CInt + #endif -- --------------------------------------------------------------------------- -- Turning on non-blocking for a file descriptor +setNonBlockingFD :: FD -> Bool -> IO () #if !defined(mingw32_HOST_OS) && !defined(__MINGW32__) - -setNonBlockingFD fd = do +setNonBlockingFD fd set = do flags <- throwErrnoIfMinus1Retry "setNonBlockingFD" - (c_fcntl_read (fromIntegral fd) const_f_getfl) - -- An error when setting O_NONBLOCK isn't fatal: on some systems - -- there are certain file handles on which this will fail (eg. /dev/null - -- on FreeBSD) so we throw away the return code from fcntl_write. - unless (testBit flags (fromIntegral o_NONBLOCK)) $ do - c_fcntl_write (fromIntegral fd) const_f_setfl (flags .|. o_NONBLOCK) + (c_fcntl_read fd const_f_getfl) + let flags' | set = flags .|. o_NONBLOCK + | otherwise = flags .&. complement o_NONBLOCK + unless (flags == flags') $ do + -- An error when setting O_NONBLOCK isn't fatal: on some systems + -- there are certain file handles on which this will fail (eg. /dev/null + -- on FreeBSD) so we throw away the return code from fcntl_write. + _ <- c_fcntl_write fd const_f_setfl (fromIntegral flags') return () #else -- bogus defns for win32 -setNonBlockingFD fd = return () +setNonBlockingFD _ _ = return () #endif -- ----------------------------------------------------------------------------- +-- Set close-on-exec for a file descriptor + +#if !defined(mingw32_HOST_OS) && !defined(__MINGW32__) +setCloseOnExec :: FD -> IO () +setCloseOnExec fd = do + throwErrnoIfMinus1_ "setCloseOnExec" $ + c_fcntl_write fd const_f_setfd const_fd_cloexec +#endif + +-- ----------------------------------------------------------------------------- -- foreign imports +#if !defined(mingw32_HOST_OS) && !defined(__MINGW32__) +type CFilePath = CString +#else +type CFilePath = CWString +#endif + foreign import ccall unsafe "HsBase.h access" - c_access :: CString -> CMode -> IO CInt + c_access :: CString -> CInt -> IO CInt foreign import ccall unsafe "HsBase.h chmod" c_chmod :: CString -> CMode -> IO CInt -foreign import ccall unsafe "HsBase.h chdir" - c_chdir :: CString -> IO CInt - foreign import ccall unsafe "HsBase.h close" c_close :: CInt -> IO CInt -foreign import ccall unsafe "HsBase.h closedir" - c_closedir :: Ptr CDir -> IO CInt - foreign import ccall unsafe "HsBase.h creat" c_creat :: CString -> CMode -> IO CInt @@ -335,47 +378,43 @@ foreign import ccall unsafe "HsBase.h dup2" foreign import ccall unsafe "HsBase.h __hscore_fstat" c_fstat :: CInt -> Ptr CStat -> IO CInt -foreign import ccall unsafe "HsBase.h getcwd" - c_getcwd :: Ptr CChar -> CInt -> IO (Ptr CChar) - foreign import ccall unsafe "HsBase.h isatty" c_isatty :: CInt -> IO CInt +#if defined(mingw32_HOST_OS) || defined(__MINGW32__) +foreign import ccall unsafe "HsBase.h __hscore_lseek" + c_lseek :: CInt -> Int64 -> CInt -> IO Int64 +#else foreign import ccall unsafe "HsBase.h __hscore_lseek" c_lseek :: CInt -> COff -> CInt -> IO COff +#endif foreign import ccall unsafe "HsBase.h __hscore_lstat" - lstat :: CString -> Ptr CStat -> IO CInt + lstat :: CFilePath -> Ptr CStat -> IO CInt foreign import ccall unsafe "HsBase.h __hscore_open" - c_open :: CString -> CInt -> CMode -> IO CInt - -foreign import ccall unsafe "HsBase.h opendir" - c_opendir :: CString -> IO (Ptr CDir) + c_open :: CFilePath -> CInt -> CMode -> IO CInt -foreign import ccall unsafe "HsBase.h __hscore_mkdir" - mkdir :: CString -> CInt -> IO CInt +foreign import ccall safe "HsBase.h __hscore_open" + c_safe_open :: CFilePath -> CInt -> CMode -> IO CInt foreign import ccall unsafe "HsBase.h read" - c_read :: CInt -> Ptr CChar -> CSize -> IO CSsize + c_read :: CInt -> Ptr Word8 -> CSize -> IO CSsize -foreign import ccall unsafe "dirUtils.h __hscore_renameFile" - c_rename :: CString -> CString -> IO CInt - -foreign import ccall unsafe "HsBase.h rewinddir" - c_rewinddir :: Ptr CDir -> IO () - -foreign import ccall unsafe "HsBase.h rmdir" - c_rmdir :: CString -> IO CInt +foreign import ccall safe "HsBase.h read" + c_safe_read :: CInt -> Ptr Word8 -> CSize -> IO CSsize foreign import ccall unsafe "HsBase.h __hscore_stat" - c_stat :: CString -> Ptr CStat -> IO CInt + c_stat :: CFilePath -> Ptr CStat -> IO CInt foreign import ccall unsafe "HsBase.h umask" c_umask :: CMode -> IO CMode foreign import ccall unsafe "HsBase.h write" - c_write :: CInt -> Ptr CChar -> CSize -> IO CSsize + c_write :: CInt -> Ptr Word8 -> CSize -> IO CSsize + +foreign import ccall safe "HsBase.h write" + c_safe_write :: CInt -> Ptr Word8 -> CSize -> IO CSsize foreign import ccall unsafe "HsBase.h __hscore_ftruncate" c_ftruncate :: CInt -> COff -> IO CInt @@ -387,13 +426,13 @@ foreign import ccall unsafe "HsBase.h getpid" c_getpid :: IO CPid #if !defined(mingw32_HOST_OS) && !defined(__MINGW32__) -foreign import ccall unsafe "HsBase.h fcntl" +foreign import ccall unsafe "HsBase.h fcntl_read" c_fcntl_read :: CInt -> CInt -> IO CInt -foreign import ccall unsafe "HsBase.h fcntl" - c_fcntl_write :: CInt -> CInt -> CInt -> IO CInt +foreign import ccall unsafe "HsBase.h fcntl_write" + c_fcntl_write :: CInt -> CInt -> CLong -> IO CInt -foreign import ccall unsafe "HsBase.h fcntl" +foreign import ccall unsafe "HsBase.h fcntl_lock" c_fcntl_lock :: CInt -> CInt -> Ptr CFLock -> IO CInt foreign import ccall unsafe "HsBase.h fork" @@ -423,36 +462,13 @@ foreign import ccall unsafe "HsBase.h tcgetattr" foreign import ccall unsafe "HsBase.h tcsetattr" c_tcsetattr :: CInt -> CInt -> Ptr CTermios -> IO CInt -foreign import ccall unsafe "HsBase.h utime" - c_utime :: CString -> Ptr CUtimbuf -> IO CMode +foreign import ccall unsafe "HsBase.h __hscore_utime" + c_utime :: CString -> Ptr CUtimbuf -> IO CInt foreign import ccall unsafe "HsBase.h waitpid" c_waitpid :: CPid -> Ptr CInt -> CInt -> IO CPid -#else -foreign import ccall unsafe "HsBase.h _setmode" - c__setmode :: CInt -> CInt -> IO CInt - --- /* Set "stdin" to have binary mode: */ --- result = _setmode( _fileno( stdin ), _O_BINARY ); --- if( result == -1 ) --- perror( "Cannot set mode" ); --- else --- printf( "'stdin' successfully changed to binary mode\n" ); #endif --- traversing directories -foreign import ccall unsafe "dirUtils.h __hscore_readdir" - readdir :: Ptr CDir -> Ptr (Ptr CDirent) -> IO CInt - -foreign import ccall unsafe "HsBase.h __hscore_free_dirent" - freeDirEnt :: Ptr CDirent -> IO () - -foreign import ccall unsafe "HsBase.h __hscore_end_of_dir" - end_of_dir :: CInt - -foreign import ccall unsafe "HsBase.h __hscore_d_name" - d_name :: Ptr CDirent -> IO CString - -- POSIX flags only: foreign import ccall unsafe "HsBase.h __hscore_o_rdonly" o_RDONLY :: CInt foreign import ccall unsafe "HsBase.h __hscore_o_wronly" o_WRONLY :: CInt @@ -467,16 +483,33 @@ foreign import ccall unsafe "HsBase.h __hscore_o_noctty" o_NOCTTY :: CInt foreign import ccall unsafe "HsBase.h __hscore_o_nonblock" o_NONBLOCK :: CInt foreign import ccall unsafe "HsBase.h __hscore_o_binary" o_BINARY :: CInt -foreign import ccall unsafe "HsBase.h __hscore_s_isreg" s_isreg :: CMode -> Bool -foreign import ccall unsafe "HsBase.h __hscore_s_ischr" s_ischr :: CMode -> Bool -foreign import ccall unsafe "HsBase.h __hscore_s_isblk" s_isblk :: CMode -> Bool -foreign import ccall unsafe "HsBase.h __hscore_s_isdir" s_isdir :: CMode -> Bool -foreign import ccall unsafe "HsBase.h __hscore_s_isfifo" s_isfifo :: CMode -> Bool +foreign import ccall unsafe "HsBase.h __hscore_s_isreg" c_s_isreg :: CMode -> CInt +foreign import ccall unsafe "HsBase.h __hscore_s_ischr" c_s_ischr :: CMode -> CInt +foreign import ccall unsafe "HsBase.h __hscore_s_isblk" c_s_isblk :: CMode -> CInt +foreign import ccall unsafe "HsBase.h __hscore_s_isdir" c_s_isdir :: CMode -> CInt +foreign import ccall unsafe "HsBase.h __hscore_s_isfifo" c_s_isfifo :: CMode -> CInt + +s_isreg :: CMode -> Bool +s_isreg cm = c_s_isreg cm /= 0 +s_ischr :: CMode -> Bool +s_ischr cm = c_s_ischr cm /= 0 +s_isblk :: CMode -> Bool +s_isblk cm = c_s_isblk cm /= 0 +s_isdir :: CMode -> Bool +s_isdir cm = c_s_isdir cm /= 0 +s_isfifo :: CMode -> Bool +s_isfifo cm = c_s_isfifo cm /= 0 foreign import ccall unsafe "HsBase.h __hscore_sizeof_stat" sizeof_stat :: Int foreign import ccall unsafe "HsBase.h __hscore_st_mtime" st_mtime :: Ptr CStat -> IO CTime +#ifdef mingw32_HOST_OS +foreign import ccall unsafe "HsBase.h __hscore_st_size" st_size :: Ptr CStat -> IO Int64 +#else foreign import ccall unsafe "HsBase.h __hscore_st_size" st_size :: Ptr CStat -> IO COff +#endif foreign import ccall unsafe "HsBase.h __hscore_st_mode" st_mode :: Ptr CStat -> IO CMode +foreign import ccall unsafe "HsBase.h __hscore_st_dev" st_dev :: Ptr CStat -> IO CDev +foreign import ccall unsafe "HsBase.h __hscore_st_ino" st_ino :: Ptr CStat -> IO CIno foreign import ccall unsafe "HsBase.h __hscore_echo" const_echo :: CInt foreign import ccall unsafe "HsBase.h __hscore_tcsanow" const_tcsanow :: CInt @@ -488,6 +521,8 @@ foreign import ccall unsafe "HsBase.h __hscore_sig_block" const_sig_block :: foreign import ccall unsafe "HsBase.h __hscore_sig_setmask" const_sig_setmask :: CInt foreign import ccall unsafe "HsBase.h __hscore_f_getfl" const_f_getfl :: CInt foreign import ccall unsafe "HsBase.h __hscore_f_setfl" const_f_setfl :: CInt +foreign import ccall unsafe "HsBase.h __hscore_f_setfd" const_f_setfd :: CInt +foreign import ccall unsafe "HsBase.h __hscore_fd_cloexec" const_fd_cloexec :: CLong #if defined(HTYPE_TCFLAG_T) foreign import ccall unsafe "HsBase.h __hscore_sizeof_termios" sizeof_termios :: Int @@ -498,9 +533,15 @@ foreign import ccall unsafe "HsBase.h __hscore_poke_lflag" poke_c_lflag :: Ptr C foreign import ccall unsafe "HsBase.h __hscore_ptr_c_cc" ptr_c_cc :: Ptr CTermios -> IO (Ptr Word8) #endif +s_issock :: CMode -> Bool #if !defined(mingw32_HOST_OS) && !defined(__MINGW32__) -foreign import ccall unsafe "HsBase.h __hscore_s_issock" s_issock :: CMode -> Bool +s_issock cmode = c_s_issock cmode /= 0 +foreign import ccall unsafe "HsBase.h __hscore_s_issock" c_s_issock :: CMode -> CInt #else -s_issock :: CMode -> Bool -s_issock cmode = False +s_issock _ = False #endif + +foreign import ccall unsafe "__hscore_bufsiz" dEFAULT_BUFFER_SIZE :: Int +foreign import ccall unsafe "__hscore_seek_cur" sEEK_CUR :: CInt +foreign import ccall unsafe "__hscore_seek_set" sEEK_SET :: CInt +foreign import ccall unsafe "__hscore_seek_end" sEEK_END :: CInt