mistserver/lib/timing.cpp

48 lines
1.2 KiB
C++

/// \file time.cpp
/// Utilities for handling time and timestamps.
#include "timing.h"
#include <sys/time.h>//for gettimeofday
#include <time.h>//for time and nanosleep
//emulate clock_gettime() for OSX compatibility
#if defined(__APPLE__) || defined(__MACH__)
#include <mach/clock.h>
#include <mach/mach.h>
#define CLOCK_REALTIME 0
void clock_gettime(int ign, struct timespec * ts){
clock_serv_t cclock;
mach_timespec_t mts;
host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock);
clock_get_time(cclock, &mts);
mach_port_deallocate(mach_task_self(), cclock);
ts->tv_sec = mts.tv_sec;
ts->tv_nsec = mts.tv_nsec;
}
#endif
/// Sleeps for the indicated amount of milliseconds or longer.
void Util::sleep(int ms){
if (ms < 0){
return;
}
if (ms > 10000){
return;
}
struct timespec T;
T.tv_sec = ms / 1000;
T.tv_nsec = 1000000 * (ms % 1000);
nanosleep( &T, 0);
}
/// Gets the current time in milliseconds.
long long int Util::getMS(){
struct timespec t;
clock_gettime(CLOCK_REALTIME, &t);
return ((long long int)t.tv_sec) * 1000 + t.tv_nsec / 1000000;
}
/// Gets the amount of seconds since 01/01/1970.
long long int Util::epoch(){
return time(0);
}