Safe Haskell	Safe-Inferred
Language	Haskell2010

Posix.MessageQueue

Contents

Synopsis

open :: CString -> AccessMode -> CreationFlags -> StatusFlags -> IO (Either Errno Fd)
uninterruptibleReceiveByteArray :: Fd -> CSize -> IO (Either Errno ByteArray)
uninterruptibleSendBytes :: Fd -> Bytes -> CUInt -> IO (Either Errno ())
newtype AccessMode = AccessMode CInt
newtype CreationFlags = CreationFlags CInt
newtype StatusFlags = StatusFlags CInt
readOnly :: AccessMode
writeOnly :: AccessMode
readWrite :: AccessMode
nonblocking :: StatusFlags

Documentation

open Source #

Arguments

:: CString	NULL-terminated name of queue, must start with slash
-> AccessMode	Access mode
-> CreationFlags	Creation flags
-> StatusFlags	Status flags
-> IO (Either Errno Fd)

uninterruptibleReceiveByteArray Source #

Arguments

:: Fd	Message queue
-> CSize	Maximum length of message
-> IO (Either Errno ByteArray)

uninterruptibleSendBytes Source #

Arguments

:: Fd	Message queue
-> Bytes	Message
-> CUInt	Priority
-> IO (Either Errno ())

Types

newtype AccessMode Source #

Constructors

AccessMode CInt

Instances

Instances details

Eq AccessMode Source #
Instance details Defined in Posix.File.Types Methods (==) :: AccessMode -> AccessMode -> Bool # (/=) :: AccessMode -> AccessMode -> Bool #

newtype CreationFlags Source #

File Creation Flags

Constructors

CreationFlags CInt

Instances

Instances details

Monoid CreationFlags Source #
Instance details Defined in Posix.File.Types Methods mempty :: CreationFlags # mappend :: CreationFlags -> CreationFlags -> CreationFlags # mconcat :: [CreationFlags] -> CreationFlags #
Semigroup CreationFlags Source #
Instance details Defined in Posix.File.Types Methods (<>) :: CreationFlags -> CreationFlags -> CreationFlags # sconcat :: NonEmpty CreationFlags -> CreationFlags # stimes :: Integral b => b -> CreationFlags -> CreationFlags #
Bits CreationFlags Source #
Instance details Defined in Posix.File.Types Methods (.&.) :: CreationFlags -> CreationFlags -> CreationFlags # (.\|.) :: CreationFlags -> CreationFlags -> CreationFlags # xor :: CreationFlags -> CreationFlags -> CreationFlags # complement :: CreationFlags -> CreationFlags # shift :: CreationFlags -> Int -> CreationFlags # rotate :: CreationFlags -> Int -> CreationFlags # zeroBits :: CreationFlags # bit :: Int -> CreationFlags # setBit :: CreationFlags -> Int -> CreationFlags # clearBit :: CreationFlags -> Int -> CreationFlags # complementBit :: CreationFlags -> Int -> CreationFlags # testBit :: CreationFlags -> Int -> Bool # bitSizeMaybe :: CreationFlags -> Maybe Int # bitSize :: CreationFlags -> Int # isSigned :: CreationFlags -> Bool # shiftL :: CreationFlags -> Int -> CreationFlags # unsafeShiftL :: CreationFlags -> Int -> CreationFlags # shiftR :: CreationFlags -> Int -> CreationFlags # unsafeShiftR :: CreationFlags -> Int -> CreationFlags # rotateL :: CreationFlags -> Int -> CreationFlags # rotateR :: CreationFlags -> Int -> CreationFlags # popCount :: CreationFlags -> Int #
Eq CreationFlags Source #
Instance details Defined in Posix.File.Types Methods (==) :: CreationFlags -> CreationFlags -> Bool # (/=) :: CreationFlags -> CreationFlags -> Bool #

newtype StatusFlags Source #

File Status Flags

Constructors

StatusFlags CInt

Instances

Instances details

Monoid StatusFlags Source #
Instance details Defined in Posix.File.Types Methods mempty :: StatusFlags # mappend :: StatusFlags -> StatusFlags -> StatusFlags # mconcat :: [StatusFlags] -> StatusFlags #
Semigroup StatusFlags Source #
Instance details Defined in Posix.File.Types Methods (<>) :: StatusFlags -> StatusFlags -> StatusFlags # sconcat :: NonEmpty StatusFlags -> StatusFlags # stimes :: Integral b => b -> StatusFlags -> StatusFlags #
Bits StatusFlags Source #
Instance details Defined in Posix.File.Types Methods (.&.) :: StatusFlags -> StatusFlags -> StatusFlags # (.\|.) :: StatusFlags -> StatusFlags -> StatusFlags # xor :: StatusFlags -> StatusFlags -> StatusFlags # complement :: StatusFlags -> StatusFlags # shift :: StatusFlags -> Int -> StatusFlags # rotate :: StatusFlags -> Int -> StatusFlags # zeroBits :: StatusFlags # bit :: Int -> StatusFlags # setBit :: StatusFlags -> Int -> StatusFlags # clearBit :: StatusFlags -> Int -> StatusFlags # complementBit :: StatusFlags -> Int -> StatusFlags # testBit :: StatusFlags -> Int -> Bool # bitSizeMaybe :: StatusFlags -> Maybe Int # bitSize :: StatusFlags -> Int # isSigned :: StatusFlags -> Bool # shiftL :: StatusFlags -> Int -> StatusFlags # unsafeShiftL :: StatusFlags -> Int -> StatusFlags # shiftR :: StatusFlags -> Int -> StatusFlags # unsafeShiftR :: StatusFlags -> Int -> StatusFlags # rotateL :: StatusFlags -> Int -> StatusFlags # rotateR :: StatusFlags -> Int -> StatusFlags # popCount :: StatusFlags -> Int #
Eq StatusFlags Source #
Instance details Defined in Posix.File.Types Methods (==) :: StatusFlags -> StatusFlags -> Bool # (/=) :: StatusFlags -> StatusFlags -> Bool #

Open Access Mode

readOnly :: AccessMode Source #

The O_RDONLY access mode.

writeOnly :: AccessMode Source #

The O_WRONLY access mode.

readWrite :: AccessMode Source #

The O_RDWR access mode.

Open Flags

nonblocking :: StatusFlags Source #

The O_NONBLOCK flag