Title: [190247] trunk/Source/WTF
- Revision
- 190247
- Author
- commit-qu...@webkit.org
- Date
- 2015-09-25 10:51:33 -0700 (Fri, 25 Sep 2015)
Log Message
Simplify Stopwatch::elapsedTime
https://bugs.webkit.org/show_bug.cgi?id=149538
Patch by Joseph Pecoraro <pecor...@apple.com> on 2015-09-25
Reviewed by Darin Adler.
* wtf/Stopwatch.h:
(WTF::Stopwatch::elapsedTime):
Simplify by not starting/stopping but just computing without updating members.
Modified Paths
Diff
Modified: trunk/Source/WTF/ChangeLog (190246 => 190247)
--- trunk/Source/WTF/ChangeLog 2015-09-25 17:51:28 UTC (rev 190246)
+++ trunk/Source/WTF/ChangeLog 2015-09-25 17:51:33 UTC (rev 190247)
@@ -1,3 +1,14 @@
+2015-09-25 Joseph Pecoraro <pecor...@apple.com>
+
+ Simplify Stopwatch::elapsedTime
+ https://bugs.webkit.org/show_bug.cgi?id=149538
+
+ Reviewed by Darin Adler.
+
+ * wtf/Stopwatch.h:
+ (WTF::Stopwatch::elapsedTime):
+ Simplify by not starting/stopping but just computing without updating members.
+
2015-09-25 Brent Fulgham <bfulg...@apple.com>
[Win] Unreviewed build fix.
Modified: trunk/Source/WTF/wtf/Stopwatch.h (190246 => 190247)
--- trunk/Source/WTF/wtf/Stopwatch.h 2015-09-25 17:51:28 UTC (rev 190246)
+++ trunk/Source/WTF/wtf/Stopwatch.h 2015-09-25 17:51:33 UTC (rev 190247)
@@ -75,15 +75,10 @@
inline double Stopwatch::elapsedTime()
{
- bool shouldSuspend = !std::isnan(m_lastStartTime);
- if (shouldSuspend)
- stop();
+ if (!isActive())
+ return m_elapsedTime;
- double elapsedTime = m_elapsedTime;
-
- if (shouldSuspend)
- start();
- return elapsedTime;
+ return m_elapsedTime + (monotonicallyIncreasingTime() - m_lastStartTime);
}
} // namespace WTF
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