Moduleunix-bytestring-0.4.0.1Haskell2010

Foreign.C.Error.Safe

Provides a variant of the Foreign.C.Error API which returns errors explicitly, instead of throwing exceptions.

Since: 0.3.5

Primitive handlers

3 declarations

valueeitherErrnoIf

A variant of throwErrnoIf which returns Either instead of throwing an errno error.

valueeitherErrnoIfRetry

A variant of throwErrnoIfRetry which returns Either instead of throwing an errno error.

valueeitherErrnoIfRetryMayBlock

A variant of throwErrnoIfRetryMayBlock which returns Either instead of throwing an errno error.

0 declarations

valueeitherErrnoIfMinus1 :: (Eq a, Num a) => IO a -> IO (Either Errno a)

valueeitherErrnoIfMinus1Retry :: (Eq a, Num a) => IO a -> IO (Either Errno a)

valueeitherErrnoIfMinus1RetryMayBlock

valueeitherErrnoIfNull :: IO (Ptr a) -> IO (Either Errno (Ptr a))

valueeitherErrnoIfNullRetry :: IO (Ptr a) -> IO (Either Errno (Ptr a))

valueeitherErrnoIfNullRetryMayBlock