add GHC.HetMet.{hetmet_kappa,hetmet_kappa_app}

[ghc-base.git] / System / CPUTime.hsc

diff --git a/System/CPUTime.hsc b/System/CPUTime.hsc
index cb23d93..90ff1e9 100644 (file)
--- a/System/CPUTime.hsc
+++ b/System/CPUTime.hsc
@@ -1,3 +1,5 @@
+{-# LANGUAGE CPP, NondecreasingIndentation, ForeignFunctionInterface #-}
+
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  System.CPUTime
@@ -31,8 +33,11 @@ import CPUTime ( getCPUTime, cpuTimePrecision )
 #endif
 
 #ifdef __GLASGOW_HASKELL__
-import Foreign
+import Foreign hiding (unsafePerformIO)
 import Foreign.C
+#if !defined(CLK_TCK)
+import System.IO.Unsafe (unsafePerformIO)
+#endif
 
 #include "HsBaseConfig.h"
 
@@ -91,14 +96,14 @@ getCPUTime = do
 --
 #if defined(HAVE_GETRUSAGE) && ! irix_HOST_OS && ! solaris2_HOST_OS
     allocaBytes (#const sizeof(struct rusage)) $ \ p_rusage -> do
-    getrusage (#const RUSAGE_SELF) p_rusage
+    throwErrnoIfMinus1_ "getrusage" $ getrusage (#const RUSAGE_SELF) 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 CTime
-    u_usec <- (#peek struct timeval,tv_usec) ru_utime :: IO CTime
+    u_usec <- (#peek struct timeval,tv_usec) ru_utime :: IO CSUSeconds
     s_sec  <- (#peek struct timeval,tv_sec)  ru_stime :: IO CTime
-    s_usec <- (#peek struct timeval,tv_usec) ru_stime :: IO CTime
+    s_usec <- (#peek struct timeval,tv_usec) ru_stime :: IO CSUSeconds
     return ((realToInteger u_sec * 1000000 + realToInteger u_usec + 
              realToInteger s_sec * 1000000 + realToInteger s_usec) 
                 * 1000000)
@@ -108,7 +113,7 @@ foreign import ccall unsafe getrusage :: CInt -> Ptr CRUsage -> IO CInt
 #else
 # if defined(HAVE_TIMES)
     allocaBytes (#const sizeof(struct tms)) $ \ p_tms -> do
-    times p_tms
+    _ <- times p_tms
     u_ticks  <- (#peek struct tms,tms_utime) p_tms :: IO CClock
     s_ticks  <- (#peek struct tms,tms_stime) p_tms :: IO CClock
     return (( (realToInteger u_ticks + realToInteger s_ticks) * 1000000000000)