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Make fromStartup compile on mac

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This commit is contained in:
Patrick Dehne
2013-10-20 01:38:59 +02:00
parent 0e7bac945f
commit b112b333bd
1 changed files with 61 additions and 38 deletions
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99
beast/chrono/impl/RelativeTime.cpp
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@@ -257,70 +257,93 @@ std::string RelativeTime::to_string () const
} }
namespace beast {
namespace detail {
#if BEAST_WINDOWS #if BEAST_WINDOWS
#include <Windows.h> #include <windows.h>
namespace beast { uint32 millisecondsSinceStartup()
RelativeTime RelativeTime::fromStartup ()
{ {
ULONGLONG ticks (GetTickCount64()); return (uint32) GetTickCount64();
return RelativeTime (ticks / 1000.0);
} }
} #elif BEAST_MAC || BEAST_IOS
#else
#include <time.h> #include <time.h>
namespace beast { uint32 millisecondsSinceStartup()
namespace detail {
// Converts a timespec to a RelativeTme
static RelativeTime toRelativeTime (timespec const& ts)
{ {
return RelativeTime (ts.tv_sec + uint64 numerator, denominator;
ts.tv_nsec / 1000000000.0);
mach_timebase_info_data_t timebase;
(void) mach_timebase_info (&timebase);
if (timebase.numer % 1000000 == 0)
{
numerator = timebase.numer / 1000000;
denominator = timebase.denom;
}
else
{
numerator = timebase.numer;
denominator = timebase.denom * (uint64) 1000000;
}
return (uint32) ((mach_absolute_time() * numerator) / denominator);
}
#else
#include <time.h>
uint32 millisecondsSinceStartup()
{
timespec t;
clock_gettime (CLOCK_MONOTONIC, &t);
return t.tv_sec * 1000 + t.tv_nsec / 1000000;
}
#endif
// Converts milliseconds to a RelativeTme
static RelativeTime toRelativeTime (uint32 ms)
{
return RelativeTime (ms / 1000.0);
} }
// Records and returns the time from process startup // Records and returns the time from process startup
static RelativeTime getStartupTime() static RelativeTime getStartupTime()
{ {
struct StartupTime struct StartupTime
{ {
StartupTime () StartupTime ()
{ clock_gettime (CLOCK_MONOTONIC, &ts); } { s = toRelativeTime (detail::millisecondsSinceStartup()); }
timespec ts; RelativeTime s;
}; };
static StartupTime startupTime; static StartupTime startupTime;
return toRelativeTime (startupTime.ts); return startupTime.s;
} }
// Used to call getStartupTime as early as possible // Used to call getStartupTime as early as possible
struct StartupTimeStaticInitializer struct StartupTimeStaticInitializer
{ {
StartupTimeStaticInitializer () StartupTimeStaticInitializer ()
{ getStartupTime(); } { getStartupTime(); }
}; };
static StartupTimeStaticInitializer startupTimeStaticInitializer; static StartupTimeStaticInitializer startupTimeStaticInitializer;
} }
RelativeTime RelativeTime::fromStartup () RelativeTime RelativeTime::fromStartup ()
{ {
timespec ts; return detail::toRelativeTime (detail::millisecondsSinceStartup()) - detail::getStartupTime();
clock_gettime (CLOCK_MONOTONIC, &ts);
return detail::toRelativeTime (ts) - detail::getStartupTime();
} }
} }
#endif