-- -----------------------------------------------------------------------------
--- $Id: CPUTime.hsc,v 1.5 2001/05/29 11:38:14 rrt Exp $
+-- $Id: CPUTime.hsc,v 1.9 2001/07/13 11:48:52 rrt Exp $
--
-- (c) The University of Glasgow, 1995-2001
--
getCPUTime :: IO Integer
getCPUTime = do
-#ifndef _WIN32
+#if !defined(mingw32_TARGET_OS) && !defined(cygwin32_TARGET_OS)
-- 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
# endif
#endif
-#else /* _WIN32 */
+#else /* win32 */
allocaBytes (#const sizeof(FILETIME)) $ \ p_creationTime -> do
allocaBytes (#const sizeof(FILETIME)) $ \ p_exitTime -> do
allocaBytes (#const sizeof(FILETIME)) $ \ p_kernelTime -> do
pid <- getCurrentProcess
ok <- getProcessTimes pid p_creationTime p_exitTime p_kernelTime p_userTime
if toBool ok then do
- ut <- ft2usecs p_userTime
- kt <- ft2usecs p_kernelTime
+ ut <- ft2psecs p_userTime
+ kt <- ft2psecs p_kernelTime
return (fromIntegral (ut + kt))
else return 0
- where ft2usecs ft = do
+ where ft2psecs ft = do
high <- (#peek FILETIME,dwHighDateTime) ft :: IO CLong
low <- (#peek FILETIME,dwLowDateTime) ft :: IO CLong
- return (high * (2^32) + low)
+ return (((fromIntegral high) * (2^32) + (fromIntegral low)) * 100000)
-- ToDo: pin down elapsed times to just the OS thread(s) that
-- are evaluating/managing Haskell code.