ghc-9.13: The GHC API
Safe HaskellNone
LanguageGHC2021

GHC.Utils.Exception

Documentation

throwTo :: Exception e => ThreadId -> e -> IO () #

catches :: IO a -> [Handler a] -> IO a #

bracket :: IO a -> (a -> IO b) -> (a -> IO c) -> IO c #

bracketOnError :: IO a -> (a -> IO b) -> (a -> IO c) -> IO c #

bracket_ :: IO a -> IO b -> IO c -> IO c #

catchJust :: Exception e => (e -> Maybe b) -> IO a -> (b -> IO a) -> IO a #

finally :: IO a -> IO b -> IO a #

handle :: Exception e => (e -> IO a) -> IO a -> IO a #

handleJust :: Exception e => (e -> Maybe b) -> (b -> IO a) -> IO a -> IO a #

mapException :: (Exception e1, Exception e2) => (e1 -> e2) -> a -> a #

onException :: IO a -> IO b -> IO a #

try :: Exception e => IO a -> IO (Either e a) #

tryJust :: Exception e => (e -> Maybe b) -> IO a -> IO (Either b a) #

throw :: forall a e. (HasCallStack, Exception e) => e -> a #

annotateIO :: ExceptionAnnotation e => e -> IO a -> IO a #

catch :: Exception e => IO a -> (e -> IO a) -> IO a #

evaluate :: a -> IO a #

interruptible :: IO a -> IO a #

mask :: ((forall a. IO a -> IO a) -> IO b) -> IO b #

mask_ :: IO a -> IO a #

throwIO :: (HasCallStack, Exception e) => e -> IO a #

uninterruptibleMask :: ((forall a. IO a -> IO a) -> IO b) -> IO b #

data Handler a #

Constructors

Exception e => Handler (e -> IO a) 

Instances

Instances details
Functor Handler # 
Instance details

Defined in GHC.Internal.Control.Exception

Methods

fmap :: (a -> b) -> Handler a -> Handler b #

(<$) :: a -> Handler b -> Handler a #

class (Typeable e, Show e) => Exception e where #

Minimal complete definition

Nothing

Instances

Instances details
Exception Timeout Source #

Since: base-4.7.0.0

Instance details

Defined in System.Timeout

Exception SizeOverflowException Source # 
Instance details

Defined in Data.ByteString.Internal.Type

Exception GhcApiError Source # 
Instance details

Defined in GHC

Exception IOEnvFailure Source # 
Instance details

Defined in GHC.Data.IOEnv

Exception SourceError Source # 
Instance details

Defined in GHC.Types.SourceError

Exception GhcException Source # 
Instance details

Defined in GHC.Utils.Panic

Exception PlainGhcException Source # 
Instance details

Defined in GHC.Utils.Panic.Plain

Exception Void # 
Instance details

Defined in GHC.Internal.Exception.Type

Exception NestedAtomically # 
Instance details

Defined in GHC.Internal.Control.Exception.Base

Exception NoMatchingContinuationPrompt # 
Instance details

Defined in GHC.Internal.Control.Exception.Base

Exception NoMethodError # 
Instance details

Defined in GHC.Internal.Control.Exception.Base

Exception NonTermination # 
Instance details

Defined in GHC.Internal.Control.Exception.Base

Exception PatternMatchFail # 
Instance details

Defined in GHC.Internal.Control.Exception.Base

Exception RecConError # 
Instance details

Defined in GHC.Internal.Control.Exception.Base

Exception RecSelError # 
Instance details

Defined in GHC.Internal.Control.Exception.Base

Exception RecUpdError # 
Instance details

Defined in GHC.Internal.Control.Exception.Base

Exception TypeError # 
Instance details

Defined in GHC.Internal.Control.Exception.Base

Exception Dynamic # 
Instance details

Defined in GHC.Internal.Data.Dynamic

Exception ErrorCall # 
Instance details

Defined in GHC.Internal.Exception

Exception ArithException # 
Instance details

Defined in GHC.Internal.Exception.Type

Exception SomeException # 
Instance details

Defined in GHC.Internal.Exception.Type

Exception AllocationLimitExceeded # 
Instance details

Defined in GHC.Internal.IO.Exception

Exception ArrayException # 
Instance details

Defined in GHC.Internal.IO.Exception

Exception AssertionFailed # 
Instance details

Defined in GHC.Internal.IO.Exception

Exception AsyncException # 
Instance details

Defined in GHC.Internal.IO.Exception

Exception BlockedIndefinitelyOnMVar # 
Instance details

Defined in GHC.Internal.IO.Exception

Exception BlockedIndefinitelyOnSTM # 
Instance details

Defined in GHC.Internal.IO.Exception

Exception CompactionFailed # 
Instance details

Defined in GHC.Internal.IO.Exception

Exception Deadlock # 
Instance details

Defined in GHC.Internal.IO.Exception

Exception ExitCode # 
Instance details

Defined in GHC.Internal.IO.Exception

Exception FixIOException # 
Instance details

Defined in GHC.Internal.IO.Exception

Exception IOException # 
Instance details

Defined in GHC.Internal.IO.Exception

Exception SomeAsyncException # 
Instance details

Defined in GHC.Internal.IO.Exception

Exception GHCiQException Source # 
Instance details

Defined in GHCi.TH

Exception EncodingException Source # 
Instance details

Defined in System.OsString.Encoding.Internal

Exception a => Exception (ExceptionWithContext a) # 
Instance details

Defined in GHC.Internal.Exception.Type

Exception e => Exception (NoBacktrace e) # 
Instance details

Defined in GHC.Internal.Exception.Type

Methods

toException :: NoBacktrace e -> SomeException #

fromException :: SomeException -> Maybe (NoBacktrace e) #

displayException :: NoBacktrace e -> String #

backtraceDesired :: NoBacktrace e -> Bool #

data MaskingState #

Instances

Instances details
NFData MaskingState Source #

Since: deepseq-1.4.4.0

Instance details

Defined in Control.DeepSeq

Methods

rnf :: MaskingState -> () Source #

Show MaskingState # 
Instance details

Defined in GHC.Internal.IO

Eq MaskingState # 
Instance details

Defined in GHC.Internal.IO

catchIO :: IO a -> (IOException -> IO a) -> IO a Source #

handleIO :: (IOException -> IO a) -> IO a -> IO a Source #