Modulebase-4.20.2.0Haskell2010

GHC.Weak.Finalize

4 values

Packagebase-4.20.2.0
Exports4
LanguageHaskell2010
LicenceBSD-3-Clause
SourceFinalize.hs

Handling exceptions

3 declarations

When an exception is thrown by a finalizer called by the garbage collector, GHC calls a global handler which can be set with setFinalizerExceptionHandler. Note that any exceptions thrown by this handler will be ignored.

valuesetFinalizerExceptionHandler :: (SomeException -> IO ()) -> IO ()

Set the global action called to report exceptions thrown by weak pointer finalizers to the user.

valuegetFinalizerExceptionHandler :: IO (SomeException -> IO ())

Get the global action called to report exceptions thrown by weak pointer finalizers to the user.

valueprintToHandleFinalizerExceptionHandler :: Handle -> SomeException -> IO ()

An exception handler for Handle finalization that prints the error to the given Handle, but doesn't rethrow it.

Internal

1 declaration

valuerunFinalizerBatch

:: Int
-> Array# (State# RealWorld -> State# RealWorld)
-> IO ()

Run a batch of finalizers from the garbage collector. We're given an array of finalizers and the length of the array, and we just call each one in turn.