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Replace GetSystemTimeAsFileTime with GetSystemTimePreciseAsFileTime #80

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Replace GetSystemTimeAsFileTime with GetSystemTimePreciseAsFileTime #80

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2 changes: 1 addition & 1 deletion doc/chrono.qbk
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Original file line number Diff line number Diff line change
Expand Up @@ -7745,7 +7745,7 @@ This operator is convenient for computing where in a time frame a given duration
The following table presents a resume of which API is used for each clock on each platform
[table Clock API correspondence
[[Clock] [Windows Platform] [Posix Platform] [Mac Platform] ]
[[__system_clock] [GetSystemTimeAsFileTime] [clock_gettime( CLOCK_REALTIME)] [gettimeofday] ]
[[__system_clock] [GetSystemTimePreciseAsFileTime ] [clock_gettime( CLOCK_REALTIME)] [gettimeofday] ]
[[__steady_clock] [QueryPerformanceCounter and QueryPerformanceFrequency]
[clock_gettime( CLOCK_STEADY)] [mach_timebase_info,mach_absolute_time] ]
[[__process_real_cpu_clock] [GetProcessTimes] [times] [times] ]
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4 changes: 2 additions & 2 deletions example/runtime_resolution.cpp
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Expand Up @@ -55,12 +55,12 @@ namespace
{
FILETIME ft;
#if defined(UNDER_CE)
// Windows CE does not define GetSystemTimeAsFileTime so we do it in two steps.
// Windows CE does not define GetSystemTimePreciseAsFileTime so we do it in two steps.
SYSTEMTIME st;
::GetSystemTime( &st );
::SystemTimeToFileTime( &st, &ft );
#else
::GetSystemTimeAsFileTime( &ft ); // never fails
::GetSystemTimePreciseAsFileTime ( &ft ); // never fails
#endif
long long t = (static_cast<long long>(ft.dwHighDateTime) << 32) | ft.dwLowDateTime;
# if !defined( BOOST_MSVC ) || BOOST_MSVC > 1300 // > VC++ 7.0
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2 changes: 1 addition & 1 deletion example/time2_demo.cpp
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Expand Up @@ -48,7 +48,7 @@ namespace
int gettimeofday(struct timeval * tp, void *)
{
FILETIME ft;
::GetSystemTimeAsFileTime( &ft ); // never fails
::GetSystemTimePreciseAsFileTime ( &ft ); // never fails
long long t = (static_cast<long long>(ft.dwHighDateTime) << 32) | ft.dwLowDateTime;
# if !defined( BOOST_MSVC ) || BOOST_MSVC > 1300 // > VC++ 7.0
t -= 116444736000000000LL;
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4 changes: 2 additions & 2 deletions example/timeval_demo.cpp
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Expand Up @@ -57,12 +57,12 @@ namespace
{
FILETIME ft;
#if defined(UNDER_CE)
// Windows CE does not define GetSystemTimeAsFileTime so we do it in two steps.
// Windows CE does not define GetSystemTimePreciseAsFileTime so we do it in two steps.
SYSTEMTIME st;
::GetSystemTime( &st );
::SystemTimeToFileTime( &st, &ft );
#else
::GetSystemTimeAsFileTime( &ft ); // never fails
::GetSystemTimePreciseAsFileTime ( &ft ); // never fails
#endif
long long t = (static_cast<long long>(ft.dwHighDateTime) << 32) | ft.dwLowDateTime;
# if !defined( BOOST_MSVC ) || BOOST_MSVC > 1300 // > VC++ 7.0
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4 changes: 2 additions & 2 deletions include/boost/chrono/detail/inlined/win/chrono.hpp
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Expand Up @@ -100,7 +100,7 @@ namespace chrono_detail
system_clock::time_point system_clock::now() BOOST_NOEXCEPT
{
boost::winapi::FILETIME_ ft;
boost::winapi::GetSystemTimeAsFileTime( &ft ); // never fails
boost::winapi::GetSystemTimePreciseAsFileTime ( &ft ); // never fails
return system_clock::time_point(
system_clock::duration(
((static_cast<__int64>( ft.dwHighDateTime ) << 32) | ft.dwLowDateTime)
Expand All @@ -115,7 +115,7 @@ namespace chrono_detail
system_clock::time_point system_clock::now( system::error_code & ec )
{
boost::winapi::FILETIME_ ft;
boost::winapi::GetSystemTimeAsFileTime( &ft ); // never fails
boost::winapi::GetSystemTimePreciseAsFileTime ( &ft ); // never fails
if (!::boost::chrono::is_throws(ec))
{
ec.clear();
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