96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* This source code is licensed under both the BSD-style license (found in the
|
||
|
|
* LICENSE file in the root directory of this source tree) and the GPLv2 (found
|
||
|
|
* in the COPYING file in the root directory of this source tree).
|
||
|
|
* You may select, at your option, one of the above-listed licenses.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef TIME_FN_H_MODULE_287987
|
||
|
|
#define TIME_FN_H_MODULE_287987
|
||
|
|
|
||
|
|
#if defined (__cplusplus)
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
/*-****************************************
|
||
|
|
* Dependencies
|
||
|
|
******************************************/
|
||
|
|
#include <sys/types.h> /* utime */
|
||
|
|
#if defined(_MSC_VER)
|
||
|
|
# include <sys/utime.h> /* utime */
|
||
|
|
#else
|
||
|
|
# include <utime.h> /* utime */
|
||
|
|
#endif
|
||
|
|
#include <time.h> /* clock_t, clock, CLOCKS_PER_SEC */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*-****************************************
|
||
|
|
* Local Types
|
||
|
|
******************************************/
|
||
|
|
|
||
|
|
#if !defined (__VMS) && (defined (__cplusplus) || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */) )
|
||
|
|
# include <stdint.h>
|
||
|
|
typedef uint64_t PTime; /* Precise Time */
|
||
|
|
#else
|
||
|
|
typedef unsigned long long PTime; /* does not support compilers without long long support */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*-****************************************
|
||
|
|
* Time functions
|
||
|
|
******************************************/
|
||
|
|
#if defined(_WIN32) /* Windows */
|
||
|
|
|
||
|
|
#define UTIL_TIME_INITIALIZER { { 0, 0 } }
|
||
|
|
typedef LARGE_INTEGER UTIL_time_t;
|
||
|
|
|
||
|
|
#elif defined(__APPLE__) && defined(__MACH__)
|
||
|
|
|
||
|
|
#include <mach/mach_time.h>
|
||
|
|
#define UTIL_TIME_INITIALIZER 0
|
||
|
|
typedef PTime UTIL_time_t;
|
||
|
|
|
||
|
|
#elif (PLATFORM_POSIX_VERSION >= 200112L) \
|
||
|
|
&& (defined(__UCLIBC__) \
|
||
|
|
|| (defined(__GLIBC__) \
|
||
|
|
&& ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 17) \
|
||
|
|
|| (__GLIBC__ > 2))))
|
||
|
|
|
||
|
|
#define UTIL_TIME_INITIALIZER { 0, 0 }
|
||
|
|
typedef struct timespec UTIL_freq_t;
|
||
|
|
typedef struct timespec UTIL_time_t;
|
||
|
|
|
||
|
|
UTIL_time_t UTIL_getSpanTime(UTIL_time_t begin, UTIL_time_t end);
|
||
|
|
|
||
|
|
#else /* relies on standard C (note : clock_t measurements can be wrong when using multi-threading) */
|
||
|
|
|
||
|
|
typedef clock_t UTIL_time_t;
|
||
|
|
#define UTIL_TIME_INITIALIZER 0
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
UTIL_time_t UTIL_getTime(void);
|
||
|
|
PTime UTIL_getSpanTimeMicro(UTIL_time_t clockStart, UTIL_time_t clockEnd);
|
||
|
|
PTime UTIL_getSpanTimeNano(UTIL_time_t clockStart, UTIL_time_t clockEnd);
|
||
|
|
|
||
|
|
|
||
|
|
#define SEC_TO_MICRO 1000000
|
||
|
|
PTime UTIL_clockSpanMicro(UTIL_time_t clockStart);
|
||
|
|
|
||
|
|
PTime UTIL_clockSpanNano(UTIL_time_t clockStart);
|
||
|
|
|
||
|
|
void UTIL_waitForNextTick(void);
|
||
|
|
|
||
|
|
|
||
|
|
#if defined (__cplusplus)
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* TIME_FN_H_MODULE_287987 */
|