php-src/Zend/zend_hrtime.c

71 lines
2.0 KiB
C

/*
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Niklas Keller <kelunik@php.net> |
| Author: Anatol Belski <ab@php.net> |
+----------------------------------------------------------------------+
*/
#include "zend.h"
#include "zend_hrtime.h"
/* This file reuses code parts from the cross-platform timer library
Public Domain - 2011 Mattias Jansson / Rampant Pixels */
#if ZEND_HRTIME_PLATFORM_POSIX
# include <unistd.h>
# include <time.h>
# include <string.h>
#elif ZEND_HRTIME_PLATFORM_WINDOWS
# define WIN32_LEAN_AND_MEAN
double zend_hrtime_timer_scale = .0;
#elif ZEND_HRTIME_PLATFORM_APPLE
# include <mach/mach_time.h>
# include <string.h>
mach_timebase_info_data_t zend_hrtime_timerlib_info = {
.numer = 0,
.denom = 1,
};
#elif ZEND_HRTIME_PLATFORM_HPUX
# include <sys/time.h>
#elif ZEND_HRTIME_PLATFORM_AIX
# include <sys/time.h>
# include <sys/systemcfg.h>
#endif
void zend_startup_hrtime(void)
{
#if ZEND_HRTIME_PLATFORM_WINDOWS
LARGE_INTEGER tf = {0};
if (QueryPerformanceFrequency(&tf) || 0 != tf.QuadPart) {
zend_hrtime_timer_scale = (double)ZEND_NANO_IN_SEC / (zend_hrtime_t)tf.QuadPart;
}
#elif ZEND_HRTIME_PLATFORM_APPLE
mach_timebase_info(&zend_hrtime_timerlib_info);
#endif
}