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47 lines
1.2 KiB
47 lines
1.2 KiB
7 months ago
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/*
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* Copyright 2017, The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "timer.h"
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#include <time.h>
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uint64_t now() {
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struct timespec time = { 0, 0 };
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clock_gettime(CLOCK_MONOTONIC, &time);
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return static_cast<uint64_t>(time.tv_sec) * 1000u +
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static_cast<uint64_t>(time.tv_nsec / 1000000u);
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}
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Timer::Timer() : mExpires(0) {
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}
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void Timer::expireSeconds(uint64_t seconds) {
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mExpires = now() + seconds * 1000u;
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}
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bool Timer::expired() const {
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return now() >= mExpires;
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}
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uint64_t Timer::remainingMillis() const {
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uint64_t current = now();
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if (current > mExpires) {
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return 0;
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}
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return mExpires - current;
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}
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