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