| /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
| /** |
| * Copyright (C) 2014 Named Data Networking Project |
| * See COPYING for copyright and distribution information. |
| */ |
| |
| #include "time.hpp" |
| #include <time.h> |
| #include <stdexcept> |
| #include <sys/time.h> |
| |
| namespace ndn { |
| namespace time { |
| |
| Point |
| now() |
| { |
| #ifdef HAVE_RT |
| |
| struct timespec t; |
| int res = clock_gettime(CLOCK_MONOTONIC, &t); |
| |
| if (res == -1) { |
| throw std::runtime_error("clock_gettime"); |
| } |
| |
| return t.tv_sec * 1000000000 + t.tv_nsec; |
| |
| #else |
| // fallback to wall clock time |
| |
| struct timeval tv; |
| int res = gettimeofday(&tv, 0); |
| |
| if (res == -1) { |
| throw std::runtime_error("gettimeofday"); |
| } |
| |
| return tv.tv_sec * 1000000000 + tv.tv_usec * 1000; |
| |
| #endif |
| } |
| |
| } // namespace time |
| } // namespace ndn |