Changeset 54183 in webkit for trunk/JavaScriptCore/wtf/CurrentTime.cpp

Timestamp:

Feb 1, 2010, 5:33:52 PM (15 years ago)

Author:

[email protected]

Message:

2010-02-01 Kwang Yul Seo <​[email protected]>

Reviewed by Eric Seidel.

[BREWMP] Port WTF's currentTime
​https://bugs.webkit.org/show_bug.cgi?id=33567

Combine GETUTCSECONDS and GETTIMEMS to calculate the number
of milliseconds since 1970/01/01 00:00:00 UTC.

• wtf/CurrentTime.cpp: (WTF::currentTime):

File:

• trunk/JavaScriptCore/wtf/CurrentTime.cpp (modified) (2 diffs)

trunk/JavaScriptCore/wtf/CurrentTime.cpp

@@ -60 +60 @@
 #elif PLATFORM(WX)
 #include <wx/datetime.h>
+#elif PLATFORM(BREWMP)
+#include <AEEStdLib.h>
 #else // Posix systems relying on the gettimeofday()
 #include <sys/time.h>
@@ -278 +280 @@
 }
 
+#elif PLATFORM(BREWMP)
+
+// GETUTCSECONDS returns the number of seconds since 1980/01/06 00:00:00 UTC,
+// and GETTIMEMS returns the number of milliseconds that have elapsed since the last
+// occurrence of 00:00:00 local time.
+// We can combine GETUTCSECONDS and GETTIMEMS to calculate the number of milliseconds
+// since 1970/01/01 00:00:00 UTC.
+double currentTime()
+{
+    // diffSeconds is the number of seconds from 1970/01/01 to 1980/01/06
+    const unsigned diffSeconds = 315964800;
+    return static_cast<double>(diffSeconds + GETUTCSECONDS() + ((GETTIMEMS() % 1000) / msPerSecond));
+}
+
 #else // Other Posix systems rely on the gettimeofday().