module Foreign.CUDA.Driver.Event (
Event(..), EventFlag(..), WaitFlag,
create, destroy, elapsedTime, query, record, wait, block
) where
import Foreign.CUDA.Types
import Foreign.CUDA.Internal.C2HS
import Foreign.CUDA.Driver.Error
import Foreign
import Foreign.C
import Data.Maybe
import Control.Monad ( liftM )
import Control.Exception ( throwIO )
create :: [EventFlag] -> IO Event
create !flags = resultIfOk =<< cuEventCreate flags
cuEventCreate :: ([EventFlag]) -> IO ((Status), (Event))
cuEventCreate a2 =
alloca $ \a1' ->
let {a2' = combineBitMasks a2} in
cuEventCreate'_ a1' a2' >>= \res ->
let {res' = cToEnum res} in
peekEvt a1'>>= \a1'' ->
return (res', a1'')
where peekEvt = liftM Event . peek
destroy :: Event -> IO ()
destroy !ev = nothingIfOk =<< cuEventDestroy ev
cuEventDestroy :: (Event) -> IO ((Status))
cuEventDestroy a1 =
let {a1' = useEvent a1} in
cuEventDestroy'_ a1' >>= \res ->
let {res' = cToEnum res} in
return (res')
elapsedTime :: Event -> Event -> IO Float
elapsedTime !ev1 !ev2 = resultIfOk =<< cuEventElapsedTime ev1 ev2
cuEventElapsedTime :: (Event) -> (Event) -> IO ((Status), (Float))
cuEventElapsedTime a2 a3 =
alloca $ \a1' ->
let {a2' = useEvent a2} in
let {a3' = useEvent a3} in
cuEventElapsedTime'_ a1' a2' a3' >>= \res ->
let {res' = cToEnum res} in
peekFloatConv a1'>>= \a1'' ->
return (res', a1'')
query :: Event -> IO Bool
query !ev =
cuEventQuery ev >>= \rv ->
case rv of
Success -> return True
NotReady -> return False
_ -> throwIO (ExitCode rv)
cuEventQuery :: (Event) -> IO ((Status))
cuEventQuery a1 =
let {a1' = useEvent a1} in
cuEventQuery'_ a1' >>= \res ->
let {res' = cToEnum res} in
return (res')
record :: Event -> Maybe Stream -> IO ()
record !ev !mst =
nothingIfOk =<< cuEventRecord ev (fromMaybe defaultStream mst)
cuEventRecord :: (Event) -> (Stream) -> IO ((Status))
cuEventRecord a1 a2 =
let {a1' = useEvent a1} in
let {a2' = useStream a2} in
cuEventRecord'_ a1' a2' >>= \res ->
let {res' = cToEnum res} in
return (res')
wait :: Event -> Maybe Stream -> [WaitFlag] -> IO ()
wait !ev !mst !flags =
nothingIfOk =<< cuStreamWaitEvent (fromMaybe defaultStream mst) ev flags
cuStreamWaitEvent :: (Stream) -> (Event) -> ([WaitFlag]) -> IO ((Status))
cuStreamWaitEvent a1 a2 a3 =
let {a1' = useStream a1} in
let {a2' = useEvent a2} in
let {a3' = combineBitMasks a3} in
cuStreamWaitEvent'_ a1' a2' a3' >>= \res ->
let {res' = cToEnum res} in
return (res')
block :: Event -> IO ()
block !ev = nothingIfOk =<< cuEventSynchronize ev
cuEventSynchronize :: (Event) -> IO ((Status))
cuEventSynchronize a1 =
let {a1' = useEvent a1} in
cuEventSynchronize'_ a1' >>= \res ->
let {res' = cToEnum res} in
return (res')
foreign import ccall unsafe "Foreign/CUDA/Driver/Event.chs.h cuEventCreate"
cuEventCreate'_ :: ((Ptr (Ptr ())) -> (CUInt -> (IO CInt)))
foreign import ccall unsafe "Foreign/CUDA/Driver/Event.chs.h cuEventDestroy"
cuEventDestroy'_ :: ((Ptr ()) -> (IO CInt))
foreign import ccall unsafe "Foreign/CUDA/Driver/Event.chs.h cuEventElapsedTime"
cuEventElapsedTime'_ :: ((Ptr CFloat) -> ((Ptr ()) -> ((Ptr ()) -> (IO CInt))))
foreign import ccall unsafe "Foreign/CUDA/Driver/Event.chs.h cuEventQuery"
cuEventQuery'_ :: ((Ptr ()) -> (IO CInt))
foreign import ccall unsafe "Foreign/CUDA/Driver/Event.chs.h cuEventRecord"
cuEventRecord'_ :: ((Ptr ()) -> ((Ptr ()) -> (IO CInt)))
foreign import ccall unsafe "Foreign/CUDA/Driver/Event.chs.h cuStreamWaitEvent"
cuStreamWaitEvent'_ :: ((Ptr ()) -> ((Ptr ()) -> (CUInt -> (IO CInt))))
foreign import ccall safe "Foreign/CUDA/Driver/Event.chs.h cuEventSynchronize"
cuEventSynchronize'_ :: ((Ptr ()) -> (IO CInt))