Edit: zend_hrtime.h
/* +----------------------------------------------------------------------+ | 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> | +----------------------------------------------------------------------+ */ #ifndef ZEND_HRTIME_H #define ZEND_HRTIME_H #include "zend_portability.h" #include "zend_types.h" #ifdef HAVE_UNISTD_H # include <unistd.h> #endif #ifndef PHP_WIN32 # include <time.h> #endif /* This file reuses code parts from the cross-platform timer library Public Domain - 2011 Mattias Jansson / Rampant Pixels */ #define ZEND_HRTIME_PLATFORM_POSIX 0 #define ZEND_HRTIME_PLATFORM_WINDOWS 0 #define ZEND_HRTIME_PLATFORM_APPLE_MACH_ABSOLUTE 0 #define ZEND_HRTIME_PLATFORM_APPLE_GETTIME_NSEC 0 #define ZEND_HRTIME_PLATFORM_HPUX 0 #define ZEND_HRTIME_PLATFORM_AIX 0 #if defined(_POSIX_TIMERS) && ((_POSIX_TIMERS > 0) || defined(__OpenBSD__)) && defined(_POSIX_MONOTONIC_CLOCK) && defined(CLOCK_MONOTONIC) # undef ZEND_HRTIME_PLATFORM_POSIX # define ZEND_HRTIME_PLATFORM_POSIX 1 #elif defined(_WIN32) || defined(_WIN64) # undef ZEND_HRTIME_PLATFORM_WINDOWS # define ZEND_HRTIME_PLATFORM_WINDOWS 1 #elif HAVE_CLOCK_GETTIME_NSEC_NP # undef ZEND_HRTIME_PLATFORM_APPLE_GETTIME_NSEC # define ZEND_HRTIME_PLATFORM_APPLE_GETTIME_NSEC 1 #elif defined(__APPLE__) # undef ZEND_HRTIME_PLATFORM_APPLE_MACH_ABSOLUTE # define ZEND_HRTIME_PLATFORM_APPLE_MACH_ABSOLUTE 1 #elif (defined(__hpux) || defined(hpux)) || ((defined(__sun__) || defined(__sun) || defined(sun)) && (defined(__SVR4) || defined(__svr4__))) # undef ZEND_HRTIME_PLATFORM_HPUX # define ZEND_HRTIME_PLATFORM_HPUX 1 #elif defined(_AIX) # undef ZEND_HRTIME_PLATFORM_AIX # define ZEND_HRTIME_PLATFORM_AIX 1 #endif #define ZEND_HRTIME_AVAILABLE (ZEND_HRTIME_PLATFORM_POSIX || ZEND_HRTIME_PLATFORM_WINDOWS || ZEND_HRTIME_PLATFORM_APPLE_MACH_ABSOLUTE || ZEND_HRTIME_PLATFORM_APPLE_GETTIME_NSEC || ZEND_HRTIME_PLATFORM_HPUX || ZEND_HRTIME_PLATFORM_AIX) BEGIN_EXTERN_C() #if ZEND_HRTIME_PLATFORM_WINDOWS ZEND_API extern double zend_hrtime_timer_scale; #elif ZEND_HRTIME_PLATFORM_APPLE_MACH_ABSOLUTE # include <mach/mach_time.h> # include <string.h> ZEND_API extern mach_timebase_info_data_t zend_hrtime_timerlib_info; #endif #define ZEND_NANO_IN_SEC UINT64_C(1000000000) typedef uint64_t zend_hrtime_t; void zend_startup_hrtime(void); static zend_always_inline zend_hrtime_t zend_hrtime(void) { #if ZEND_HRTIME_PLATFORM_WINDOWS LARGE_INTEGER lt = {{0}}; QueryPerformanceCounter(<); return (zend_hrtime_t)((zend_hrtime_t)lt.QuadPart * zend_hrtime_timer_scale); #elif ZEND_HRTIME_PLATFORM_APPLE_GETTIME_NSEC return clock_gettime_nsec_np(CLOCK_UPTIME_RAW); #elif ZEND_HRTIME_PLATFORM_APPLE_MACH_ABSOLUTE return (zend_hrtime_t)mach_absolute_time() * zend_hrtime_timerlib_info.numer / zend_hrtime_timerlib_info.denom; #elif ZEND_HRTIME_PLATFORM_POSIX struct timespec ts = { .tv_sec = 0, .tv_nsec = 0 }; if (EXPECTED(0 == clock_gettime(CLOCK_MONOTONIC, &ts))) { return ((zend_hrtime_t) ts.tv_sec * (zend_hrtime_t)ZEND_NANO_IN_SEC) + ts.tv_nsec; } return 0; #elif ZEND_HRTIME_PLATFORM_HPUX return (zend_hrtime_t) gethrtime(); #elif ZEND_HRTIME_PLATFORM_AIX timebasestruct_t t; read_wall_time(&t, TIMEBASE_SZ); time_base_to_time(&t, TIMEBASE_SZ); return (zend_hrtime_t) t.tb_high * (zend_hrtime_t)NANO_IN_SEC + t.tb_low; #else return 0; #endif } END_EXTERN_C() #endif /* ZEND_HRTIME_H */
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