X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/173a5ddc77ceb29b7a0dba6d9feeea95ebbbd72b..08670ea85abf4b4946a9ce64971b591d7b1ee30b:/src/common/stopwatch.cpp

diff --git a/src/common/stopwatch.cpp b/src/common/stopwatch.cpp
index 476237c9cf..f36696dff0 100644
--- a/src/common/stopwatch.cpp
+++ b/src/common/stopwatch.cpp
@@ -37,6 +37,7 @@
         #include "wx/msw/wrapwin.h"
     #endif
     #include "wx/log.h"
+    #include "wx/thread.h"
 #endif //WX_PRECOMP
 
 // ============================================================================
@@ -64,7 +65,7 @@ struct PerfCounter
         return freq.QuadPart != 0;
     }
 
-    wxCriticalSection cs;
+    wxCRIT_SECT_DECLARE_MEMBER(cs);
     LARGE_INTEGER freq;
     bool init;
 } gs_perfCounter;
@@ -82,7 +83,7 @@ void wxStopWatch::DoStart()
 #ifdef __WXMSW__
     if ( !gs_perfCounter.init )
     {
-        wxCriticalSectionLocker lock(gs_perfCounter.cs);
+        wxCRIT_SECT_LOCKER(lock, gs_perfCounter.cs);
         ::QueryPerformanceFrequency(&gs_perfCounter.freq);
 
         // Just a sanity check: it's not supposed to happen but verify that
@@ -112,12 +113,23 @@ wxLongLong wxStopWatch::GetClockFreq() const
         return gs_perfCounter.freq.QuadPart;
 #endif // __WXMSW__
 
+#ifdef HAVE_GETTIMEOFDAY
+    // With gettimeofday() we can have nominally microsecond precision and
+    // while this is not the case in practice, it's still better than
+    // millisecond.
+    return MICROSECONDS_PER_SECOND;
+#else // !HAVE_GETTIMEOFDAY
     // Currently milliseconds are used everywhere else.
     return MILLISECONDS_PER_SECOND;
+#endif // HAVE_GETTIMEOFDAY/!HAVE_GETTIMEOFDAY
 }
 
 void wxStopWatch::Start(long t0)
 {
+    // Calling Start() makes the stop watch run however many times it was
+    // paused before.
+    m_pauseCount = 0;
+
     DoStart();
 
     m_t0 -= (wxLongLong(t0)*GetClockFreq())/MILLISECONDS_PER_SECOND;
@@ -134,7 +146,11 @@ wxLongLong wxStopWatch::GetCurrentClockValue() const
     }
 #endif // __WXMSW__
 
-    return wxGetLocalTimeMillis();
+#ifdef HAVE_GETTIMEOFDAY
+    return wxGetUTCTimeUSec();
+#else // !HAVE_GETTIMEOFDAY
+    return wxGetUTCTimeMillis();
+#endif // HAVE_GETTIMEOFDAY/!HAVE_GETTIMEOFDAY
 }
 
 wxLongLong wxStopWatch::TimeInMicro() const
@@ -158,14 +174,14 @@ static wxLongLong wxStartTime = 0l;
 // starts the global timer
 void wxStartTimer()
 {
-    wxStartTime = wxGetLocalTimeMillis();
+    wxStartTime = wxGetUTCTimeMillis();
 }
 
 // Returns elapsed time in milliseconds
 long wxGetElapsedTime(bool resetTimer)
 {
     wxLongLong oldTime = wxStartTime;
-    wxLongLong newTime = wxGetLocalTimeMillis();
+    wxLongLong newTime = wxGetUTCTimeMillis();
 
     if ( resetTimer )
         wxStartTime = newTime;