zend_hrtime.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 */

#ifZEND_HRTIME_PLATFORM_POSIX

# include<unistd.h>
# include<time.h>
# include<string.h>

#elifZEND_HRTIME_PLATFORM_WINDOWS

# defineWIN32_LEAN_AND_MEAN

ZEND_APIdoublezend_hrtime_timer_scale=.0;

#elifZEND_HRTIME_PLATFORM_APPLE

# include<mach/mach_time.h>
# include<string.h>
ZEND_APImach_timebase_info_data_tzend_hrtime_timerlib_info= {
 .numer=0,
 .denom=1,
};

#elifZEND_HRTIME_PLATFORM_HPUX

# include<sys/time.h>

#elifZEND_HRTIME_PLATFORM_AIX

# include<sys/time.h>
# include<sys/systemcfg.h>

#endif

voidzend_startup_hrtime(void)
{
#ifZEND_HRTIME_PLATFORM_WINDOWS

LARGE_INTEGERtf= {0};
if (QueryPerformanceFrequency(&tf) ||0!=tf.QuadPart) {
zend_hrtime_timer_scale= (double)ZEND_NANO_IN_SEC / (zend_hrtime_t)tf.QuadPart;
 }

#elifZEND_HRTIME_PLATFORM_APPLE

mach_timebase_info(&zend_hrtime_timerlib_info);

#endif
}