| /* |
| * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "SystemTime.h" |
| |
| #include "NotImplemented.h" |
| #include <windows.h> |
| |
| namespace WebCore { |
| |
| double currentTime() |
| { |
| FILETIME ft; |
| GetSystemTimeAsFileTime(&ft); |
| |
| // As per Windows documentation for FILETIME, copy the resulting FILETIME structure to a |
| // ULARGE_INTEGER structure using memcpy (using memcpy instead of direct assignment can |
| // prevent alignment faults on 64-bit Windows). |
| |
| ULARGE_INTEGER t; |
| memcpy(&t, &ft, sizeof(t)); |
| |
| // Windows file times are in 100s of nanoseconds. |
| // To convert to seconds, we have to divide by 10,000,000, which is more quickly |
| // done by multiplying by 0.0000001. |
| |
| // Between January 1, 1601 and January 1, 1970, there were 369 complete years, |
| // of which 89 were leap years (1700, 1800, and 1900 were not leap years). |
| // That is a total of 134774 days, which is 11644473600 seconds. |
| |
| return t.QuadPart * 0.0000001 - 11644473600.0; |
| } |
| |
| float userIdleTime() |
| { |
| // Needed for back/forward cache. |
| notImplemented(); |
| return 0.0F; |
| } |
| |
| } |