Fleshed out getrusage() stub for Windows

diff --git a/src/lib/w32/getrusage.c b/src/lib/w32/getrusage.c
index 1733f2fbe3aa181a0e40a3d4a5d42b795baf7187..810a42e69989faf6af76fc6facb9e38550ef3664 100644 (file)
--- a/src/lib/w32/getrusage.c
+++ b/src/lib/w32/getrusage.c
@@ -29,6 +29,7 @@
  *
  *  Known contributors to this file:
  *     Markus Armbruster, 2011
+ *     Ron Koenderink, 2011 (some of this code was taken from MinGW)
  */
 
 #include <config.h>
@@ -44,8 +45,27 @@ getrusage(int who, struct rusage *rus)
        return -1;
     }
 
-    /* FIXME stub */
-    rus->ru_utime.tv_sec = rus->ru_utime.tv_usec = 0;
-    rus->ru_stime.tv_sec = rus->ru_stime.tv_usec = 0;
+    if (who == RUSAGE_SELF) {
+       HANDLE hProcess;
+       FILETIME ftCreation, ftExit, ftUser, ftKernel;
+       _int64 itmp;
+
+       hProcess = GetCurrentProcess ();
+
+       GetProcessTimes (hProcess, &ftCreation, &ftExit, &ftKernel, &ftUser);
+
+       itmp = (_int64)ftUser.dwLowDateTime +
+           ((_int64)ftUser.dwHighDateTime * (_int64)0x100000000);
+       rus->ru_utime.tv_sec = (long)(itmp / 10000000U);
+       rus->ru_utime.tv_usec = (long)((itmp % 10000000U) / 10.);
+
+       itmp = (_int64)ftKernel.dwLowDateTime +
+           ((_int64)ftKernel.dwHighDateTime * (_int64)0x100000000);
+       rus->ru_stime.tv_sec = (long)(itmp / 10000000U);
+       rus->ru_stime.tv_usec = (long)((itmp % 10000000U) / 10.);
+    } else {
+       rus->ru_utime.tv_sec = rus->ru_utime.tv_usec = 0;
+       rus->ru_stime.tv_sec = rus->ru_stime.tv_usec = 0;
+    }
     return 0;
 }