Throw out anything polling related - they will go to libmspio eventually

[libs/core.git] / source / time / utils.cpp

diff --git a/source/time/utils.cpp b/source/time/utils.cpp
index 00c389d93acd4d8ae55edf14d3cd042e420e7da1..d6b63328a32d32a3519da8f6dd0bd20b093e602e 100644 (file)
--- a/source/time/utils.cpp
+++ b/source/time/utils.cpp
@@ -1,10 +1,14 @@
 /*
-This file is part of libmspframework     
+This file is part of libmspcore     
 Copyright © 2006  Mikko Rasa, Mikkosoft Productions
 Distributed under the LGPL
 */
+#ifdef WIN32
+#include <windows.h>
+#else
 #include <sys/resource.h>
 #include <sys/time.h>
+#endif
 #include "timedelta.h"
 #include "timestamp.h"
 #include "units.h"
@@ -18,9 +22,32 @@ Returns the current timestamp.
 */
 TimeStamp now()
 {
+#ifndef WIN32
        timeval tv;
        gettimeofday(&tv, 0);
        return TimeStamp(tv.tv_sec*1000000LL+tv.tv_usec);
+#else
+       static int64_t epoch=0;
+       if(!epoch)
+       {
+               SYSTEMTIME st;
+               st.wYear=1970;
+               st.wMonth=1;
+               st.wDay=1;
+               st.wHour=0;
+               st.wMinute=0;
+               st.wSecond=0;
+               st.wMilliseconds=0;
+
+               FILETIME ft;
+               SystemTimeToFileTime(&st, &ft);
+               epoch=(ft.dwLowDateTime+(int64_t)ft.dwHighDateTime<<32)/10;
+       }
+       
+       FILETIME ft;
+       GetSystemTimeAsFileTime(&ft);
+       return TimeStamp((ft.dwLowDateTime+(int64_t)ft.dwHighDateTime<<32)/10-epoch);
+#endif
 }
 
 /**
@@ -28,9 +55,14 @@ Returns the CPU time used by the program so far.
 */
 TimeDelta get_cpu_time()
 {
+#ifndef WIN32
        rusage ru;
        getrusage(RUSAGE_SELF, &ru);
        return (ru.ru_utime.tv_sec+ru.ru_stime.tv_sec)*sec + (ru.ru_utime.tv_usec+ru.ru_stime.tv_usec)*usec;
+#else
+       //XXX Figure out the function to use on Win32
+       return TimeDelta();
+#endif
 }
 
 /**
@@ -43,7 +75,7 @@ int sleep(const TimeDelta &d)
        d.fill_timespec(ts);
        return nanosleep(&ts, 0);
 #else
-       Sleep(d/msec);
+       Sleep((DWORD)(d/msec));
        return 0;
 #endif
 }