-- Module : System.CPUTime
-- Copyright : (c) The University of Glasgow 2001
-- License : BSD-style (see the file libraries/core/LICENSE)
-- Module : System.CPUTime
-- Copyright : (c) The University of Glasgow 2001
-- License : BSD-style (see the file libraries/core/LICENSE)
-- -----------------------------------------------------------------------------
-- Computation `getCPUTime' returns the number of picoseconds CPU time
-- -----------------------------------------------------------------------------
-- Computation `getCPUTime' returns the number of picoseconds CPU time
-- getrusage() is right royal pain to deal with when targetting multiple
-- versions of Solaris, since some versions supply it in libc (2.3 and 2.5),
-- while 2.4 has got it in libucb (I wouldn't be too surprised if it was back
-- getrusage() is right royal pain to deal with when targetting multiple
-- versions of Solaris, since some versions supply it in libc (2.3 and 2.5),
-- while 2.4 has got it in libucb (I wouldn't be too surprised if it was back
let ru_utime = (#ptr struct rusage, ru_utime) p_rusage
let ru_stime = (#ptr struct rusage, ru_stime) p_rusage
let ru_utime = (#ptr struct rusage, ru_utime) p_rusage
let ru_stime = (#ptr struct rusage, ru_stime) p_rusage
- u_sec <- (#peek struct timeval,tv_sec) ru_utime :: IO CLong
- u_usec <- (#peek struct timeval,tv_usec) ru_utime :: IO CLong
- s_sec <- (#peek struct timeval,tv_sec) ru_stime :: IO CLong
- s_usec <- (#peek struct timeval,tv_usec) ru_stime :: IO CLong
+ u_sec <- (#peek struct timeval,tv_sec) ru_utime :: IO CTime
+ u_usec <- (#peek struct timeval,tv_usec) ru_utime :: IO CTime
+ s_sec <- (#peek struct timeval,tv_sec) ru_stime :: IO CTime
+ s_usec <- (#peek struct timeval,tv_usec) ru_stime :: IO CTime
return ((fromIntegral u_sec * 1000000 + fromIntegral u_usec +
fromIntegral s_sec * 1000000 + fromIntegral s_usec)
* 1000000)
type CRUsage = ()
return ((fromIntegral u_sec * 1000000 + fromIntegral u_usec +
fromIntegral s_sec * 1000000 + fromIntegral s_usec)
* 1000000)
type CRUsage = ()
u_ticks <- (#peek struct tms,tms_utime) p_tms :: IO CClock
s_ticks <- (#peek struct tms,tms_stime) p_tms :: IO CClock
return (( (fromIntegral u_ticks + fromIntegral s_ticks) * 1000000000000)
u_ticks <- (#peek struct tms,tms_utime) p_tms :: IO CClock
s_ticks <- (#peek struct tms,tms_stime) p_tms :: IO CClock
return (( (fromIntegral u_ticks + fromIntegral s_ticks) * 1000000000000)
allocaBytes (#const sizeof(FILETIME)) $ \ p_creationTime -> do
allocaBytes (#const sizeof(FILETIME)) $ \ p_exitTime -> do
allocaBytes (#const sizeof(FILETIME)) $ \ p_kernelTime -> do
allocaBytes (#const sizeof(FILETIME)) $ \ p_creationTime -> do
allocaBytes (#const sizeof(FILETIME)) $ \ p_exitTime -> do
allocaBytes (#const sizeof(FILETIME)) $ \ p_kernelTime -> do
high <- (#peek FILETIME,dwHighDateTime) ft :: IO CLong
low <- (#peek FILETIME,dwLowDateTime) ft :: IO CLong
high <- (#peek FILETIME,dwHighDateTime) ft :: IO CLong
low <- (#peek FILETIME,dwLowDateTime) ft :: IO CLong
-- ToDo: pin down elapsed times to just the OS thread(s) that
-- are evaluating/managing Haskell code.
-- ToDo: pin down elapsed times to just the OS thread(s) that
-- are evaluating/managing Haskell code.
-foreign import "GetCurrentProcess" unsafe getCurrentProcess :: IO (Ptr HANDLE)
-foreign import "GetProcessTimes" unsafe getProcessTimes :: Ptr HANDLE -> Ptr FILETIME -> Ptr FILETIME -> Ptr FILETIME -> Ptr FILETIME -> IO CInt
+foreign import ccall unsafe "GetCurrentProcess" getCurrentProcess :: IO (Ptr HANDLE)
+foreign import ccall unsafe "GetProcessTimes" getProcessTimes :: Ptr HANDLE -> Ptr FILETIME -> Ptr FILETIME -> Ptr FILETIME -> Ptr FILETIME -> IO CInt