diff options
Diffstat (limited to 'libraries/base/GHC/Event/Windows/FFI.hsc')
| -rw-r--r-- | libraries/base/GHC/Event/Windows/FFI.hsc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libraries/base/GHC/Event/Windows/FFI.hsc b/libraries/base/GHC/Event/Windows/FFI.hsc index c087f94eb1..e6ae168d3f 100644 --- a/libraries/base/GHC/Event/Windows/FFI.hsc +++ b/libraries/base/GHC/Event/Windows/FFI.hsc @@ -136,6 +136,7 @@ foreign import WINDOWS_CCONV safe "windows.h GetQueuedCompletionStatusEx" -> Ptr ULONG -> DWORD -> BOOL -> IO BOOL -- | Note [Completion Ports] +-- ~~~~~~~~~~~~~~~~~~~~~~~ -- When an I/O operation has been queued by an operation -- (ReadFile/WriteFile/etc) it is placed in a queue that the driver uses when -- servicing IRQs. This queue has some important properties: @@ -343,7 +344,8 @@ pokeEventOverlapped lpol event = do ------------------------------------------------------------------------ -- Request management --- [Note AsyncHandles] +-- Note [AsyncHandles] +-- ~~~~~~~~~~~~~~~~~~~ -- In `winio` we have designed it to work in asynchronous mode always. -- According to the MSDN documentation[1][2], when a handle is not opened -- in asynchronous mode then the operation would simply work but operate @@ -392,7 +394,7 @@ pokeEventOverlapped lpol event = do -- invalid. This is an issue because to pass `HANDLE`s we have to pass -- the native OS Handle not the Haskell one. i.e. remote-iserv. --- See [Note AsyncHandles] +-- See Note [AsyncHandles] withRequest :: Bool -> Word64 -> HANDLE -> IOCallback -> (Ptr HASKELL_OVERLAPPED -> Ptr CompletionData -> IO a) -> IO a |