X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=Source%2FCTest%2FcmProcess.cxx;h=167b992c9b0e4ab35e8ec41df3466689e36dd327;hb=317dbdb79761ef65e45c7358cfc7571c6afa54ad;hp=000bc8503d46d40828173be506185a432553dc95;hpb=297c63fa65327491a2b50e521b661c5835a19fe4;p=platform%2Fupstream%2Fcmake.git

diff --git a/Source/CTest/cmProcess.cxx b/Source/CTest/cmProcess.cxx
index 000bc85..167b992 100644
--- a/Source/CTest/cmProcess.cxx
+++ b/Source/CTest/cmProcess.cxx
@@ -175,6 +175,14 @@ int cmProcess::GetNextOutputLine(std::string& line, double timeout)
   // Record exit information.
   this->ExitValue = cmsysProcess_GetExitValue(this->Process);
   this->TotalTime = cmSystemTools::GetTime() - this->StartTime;
+  // Because of a processor clock scew the runtime may become slightly
+  // negative. If someone changed the system clock while the process was
+  // running this may be even more. Make sure not to report a negative
+  // duration here.
+  if (this->TotalTime <= 0.0)
+    {
+    this->TotalTime = 0.0;
+    }
   //  std::cerr << "Time to run: " << this->TotalTime << "\n";
   return cmsysProcess_Pipe_None;
 }