mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-11-04 20:50:37 -08:00
138 lines
3.7 KiB
C
138 lines
3.7 KiB
C
//-----------------------------------------------------------------------------
|
|
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
|
|
//
|
|
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
|
|
// at your option, any later version. See the LICENSE.txt file for the text of
|
|
// the license.
|
|
//-----------------------------------------------------------------------------
|
|
// utilities requiring Posix library functions
|
|
//-----------------------------------------------------------------------------
|
|
|
|
// ensure availability even with -std=c99; must be included before
|
|
#if !defined(_WIN32)
|
|
//#define _POSIX_C_SOURCE 199309L // need nanosleep()
|
|
#define _POSIX_C_SOURCE 200112L // need localtime_r()
|
|
#else
|
|
#include <windows.h>
|
|
#endif
|
|
|
|
#include "util_posix.h"
|
|
#include <stdint.h>
|
|
#include <time.h>
|
|
|
|
|
|
// Timer functions
|
|
#if !defined (_WIN32)
|
|
#include <errno.h>
|
|
|
|
static void nsleep(uint64_t n) {
|
|
struct timespec timeout;
|
|
timeout.tv_sec = n / 1000000000;
|
|
timeout.tv_nsec = n % 1000000000;
|
|
while (nanosleep(&timeout, &timeout) && errno == EINTR);
|
|
}
|
|
|
|
void msleep(uint32_t n) {
|
|
nsleep(1000000 * (uint64_t)n);
|
|
}
|
|
#endif // _WIN32
|
|
|
|
#ifdef __APPLE__
|
|
|
|
#ifndef CLOCK_MONOTONIC
|
|
#define CLOCK_MONOTONIC (1)
|
|
#endif
|
|
#ifndef CLOCK_REALTIME
|
|
#define CLOCK_REALTIME (2)
|
|
#endif
|
|
|
|
#include <sys/time.h>
|
|
#include <mach/clock.h>
|
|
#include <mach/mach.h>
|
|
#include <mach/mach_time.h>
|
|
|
|
/* clock_gettime is not implemented on OSX prior to 10.12 */
|
|
int _civet_clock_gettime(int clk_id, struct timespec *t);
|
|
|
|
int _civet_clock_gettime(int clk_id, struct timespec *t) {
|
|
memset(t, 0, sizeof(*t));
|
|
if (clk_id == CLOCK_REALTIME) {
|
|
struct timeval now;
|
|
int rv = gettimeofday(&now, NULL);
|
|
if (rv) {
|
|
return rv;
|
|
}
|
|
t->tv_sec = now.tv_sec;
|
|
t->tv_nsec = now.tv_usec * 1000;
|
|
return 0;
|
|
|
|
} else if (clk_id == CLOCK_MONOTONIC) {
|
|
static uint64_t clock_start_time = 0;
|
|
static mach_timebase_info_data_t timebase_info = {0, 0};
|
|
|
|
uint64_t now = mach_absolute_time();
|
|
|
|
if (clock_start_time == 0) {
|
|
|
|
mach_timebase_info(&timebase_info);
|
|
clock_start_time = now;
|
|
}
|
|
|
|
now = (uint64_t)((double)(now - clock_start_time)
|
|
* (double)timebase_info.numer
|
|
/ (double)timebase_info.denom);
|
|
|
|
t->tv_sec = now / 1000000000;
|
|
t->tv_nsec = now % 1000000000;
|
|
return 0;
|
|
}
|
|
return -1; // EINVAL - Clock ID is unknown
|
|
}
|
|
|
|
/* if clock_gettime is declared, then __CLOCK_AVAILABILITY will be defined */
|
|
#ifdef __CLOCK_AVAILABILITY
|
|
/* If we compiled with Mac OSX 10.12 or later, then clock_gettime will be declared
|
|
* but it may be NULL at runtime. So we need to check before using it. */
|
|
int _civet_safe_clock_gettime(int clk_id, struct timespec *t);
|
|
|
|
int _civet_safe_clock_gettime(int clk_id, struct timespec *t) {
|
|
if (clock_gettime) {
|
|
return clock_gettime(clk_id, t);
|
|
}
|
|
return _civet_clock_gettime(clk_id, t);
|
|
}
|
|
#define clock_gettime _civet_safe_clock_gettime
|
|
#else
|
|
#define clock_gettime _civet_clock_gettime
|
|
#endif
|
|
|
|
#endif
|
|
|
|
|
|
// a milliseconds timer for performance measurement
|
|
uint64_t msclock(void) {
|
|
#if defined(_WIN32)
|
|
#include <sys/types.h>
|
|
|
|
// WORKAROUND FOR MinGW (some versions - use if normal code does not compile)
|
|
// It has no _ftime_s and needs explicit inclusion of timeb.h
|
|
#include <sys/timeb.h>
|
|
struct _timeb t;
|
|
_ftime(&t);
|
|
return 1000 * (uint64_t)t.time + t.millitm;
|
|
|
|
// NORMAL CODE (use _ftime_s)
|
|
//struct _timeb t;
|
|
//if (_ftime_s(&t)) {
|
|
// return 0;
|
|
//} else {
|
|
// return 1000 * t.time + t.millitm;
|
|
//}
|
|
#else
|
|
struct timespec t;
|
|
clock_gettime(CLOCK_MONOTONIC, &t);
|
|
return (1000 * (uint64_t)t.tv_sec + t.tv_nsec / 1000000);
|
|
#endif
|
|
}
|
|
|