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tool_util.c: Use GetTickCount64 if it is available

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This commit is contained in:
Marc Hoersken 2014-12-14 18:32:41 +01:00
parent b9950e3b33
commit 7fc1cbb640
1 changed files with 10 additions and 1 deletions
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11
src/tool_util.c
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@ -33,10 +33,19 @@ struct timeval tool_tvnow(void)
** GetTickCount() is available on _all_ Windows versions from W95 up ** GetTickCount() is available on _all_ Windows versions from W95 up
** to nowadays. Returns milliseconds elapsed since last system boot, ** to nowadays. Returns milliseconds elapsed since last system boot,
** increases monotonically and wraps once 49.7 days have elapsed. ** increases monotonically and wraps once 49.7 days have elapsed.
**
** GetTickCount64() is available on Windows version from Windows Vista
** and Windows Server 2008 up to nowadays. The resolution of the
** function is limited to the resolution of the system timer, which
** is typically in the range of 10 milliseconds to 16 milliseconds.
*/ */
struct timeval now; struct timeval now;
#if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0600)
ULONGLONG milliseconds = GetTickCount64();
#else
DWORD milliseconds = GetTickCount(); DWORD milliseconds = GetTickCount();
now.tv_sec = milliseconds / 1000; #endif
now.tv_sec = (long)(milliseconds / 1000);
now.tv_usec = (milliseconds % 1000) * 1000; now.tv_usec = (milliseconds % 1000) * 1000;
return now; return now;
} }