147 lines
3.7 KiB
C++
147 lines
3.7 KiB
C++
/*
|
|
* Copyright 2003-2016 The Music Player Daemon Project
|
|
* http://www.musicpd.org
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include "Clock.hxx"
|
|
|
|
#ifdef WIN32
|
|
#include <windows.h>
|
|
#elif defined(__APPLE__)
|
|
#include <mach/mach_time.h>
|
|
#else
|
|
#include <time.h>
|
|
#ifndef CLOCK_MONOTONIC
|
|
#include <sys/time.h>
|
|
#endif
|
|
#endif
|
|
|
|
unsigned
|
|
MonotonicClockS(void)
|
|
{
|
|
#ifdef WIN32
|
|
return GetTickCount() / 1000;
|
|
#elif defined(__APPLE__) /* OS X does not define CLOCK_MONOTONIC */
|
|
static mach_timebase_info_data_t base;
|
|
if (base.denom == 0)
|
|
(void)mach_timebase_info(&base);
|
|
|
|
return (unsigned)(((double)mach_absolute_time() * base.numer / 1000)
|
|
/ base.denom / 1000000);
|
|
#elif defined(CLOCK_MONOTONIC)
|
|
struct timespec ts;
|
|
clock_gettime(CLOCK_MONOTONIC, &ts);
|
|
return ts.tv_sec;
|
|
#else
|
|
/* we have no monotonic clock, fall back to time() */
|
|
return time(nullptr);
|
|
#endif
|
|
}
|
|
|
|
unsigned
|
|
MonotonicClockMS(void)
|
|
{
|
|
#ifdef WIN32
|
|
return GetTickCount();
|
|
#elif defined(__APPLE__) /* OS X does not define CLOCK_MONOTONIC */
|
|
static mach_timebase_info_data_t base;
|
|
if (base.denom == 0)
|
|
(void)mach_timebase_info(&base);
|
|
|
|
return (unsigned)(((double)mach_absolute_time() * base.numer)
|
|
/ base.denom / 1000000);
|
|
#elif defined(CLOCK_MONOTONIC)
|
|
struct timespec ts;
|
|
clock_gettime(CLOCK_MONOTONIC, &ts);
|
|
return ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
|
|
#else
|
|
/* we have no monotonic clock, fall back to gettimeofday() */
|
|
struct timeval tv;
|
|
gettimeofday(&tv, 0);
|
|
return tv.tv_sec * 1000 + tv.tv_usec / 1000;
|
|
#endif
|
|
}
|
|
|
|
uint64_t
|
|
MonotonicClockUS(void)
|
|
{
|
|
#ifdef WIN32
|
|
LARGE_INTEGER l_value, l_frequency;
|
|
|
|
if (!QueryPerformanceCounter(&l_value) ||
|
|
!QueryPerformanceFrequency(&l_frequency))
|
|
return 0;
|
|
|
|
uint64_t value = l_value.QuadPart;
|
|
uint64_t frequency = l_frequency.QuadPart;
|
|
|
|
if (frequency > 1000000) {
|
|
value *= 10000;
|
|
value /= frequency / 100;
|
|
} else if (frequency < 1000000) {
|
|
value *= 10000;
|
|
value /= frequency;
|
|
value *= 100;
|
|
}
|
|
|
|
return value;
|
|
#elif defined(__APPLE__) /* OS X does not define CLOCK_MONOTONIC */
|
|
static mach_timebase_info_data_t base;
|
|
if (base.denom == 0)
|
|
(void)mach_timebase_info(&base);
|
|
|
|
return (uint64_t)(((double)mach_absolute_time() * base.numer)
|
|
/ base.denom / 1000);
|
|
#elif defined(CLOCK_MONOTONIC)
|
|
struct timespec ts;
|
|
clock_gettime(CLOCK_MONOTONIC, &ts);
|
|
return (uint64_t)ts.tv_sec * 1000000 + (uint64_t)(ts.tv_nsec / 1000);
|
|
#else
|
|
/* we have no monotonic clock, fall back to gettimeofday() */
|
|
struct timeval tv;
|
|
gettimeofday(&tv, 0);
|
|
return (uint64_t)tv.tv_sec * 1000 + (uint64_t)tv.tv_usec;
|
|
#endif
|
|
}
|
|
|
|
#ifdef WIN32
|
|
|
|
gcc_const
|
|
static unsigned
|
|
DeltaFileTimeS(FILETIME a, FILETIME b)
|
|
{
|
|
ULARGE_INTEGER a2, b2;
|
|
b2.LowPart = b.dwLowDateTime;
|
|
b2.HighPart = b.dwHighDateTime;
|
|
a2.LowPart = a.dwLowDateTime;
|
|
a2.HighPart = a.dwHighDateTime;
|
|
return (a2.QuadPart - b2.QuadPart) / 10000000;
|
|
}
|
|
|
|
unsigned
|
|
GetProcessUptimeS()
|
|
{
|
|
FILETIME creation_time, exit_time, kernel_time, user_time, now;
|
|
GetProcessTimes(GetCurrentProcess(), &creation_time,
|
|
&exit_time, &kernel_time, &user_time);
|
|
GetSystemTimeAsFileTime(&now);
|
|
|
|
return DeltaFileTimeS(now, creation_time);
|
|
}
|
|
|
|
#endif
|