27 lines
614 B
C++
27 lines
614 B
C++
/*
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* Copyright 2015 Cloudius Systems
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*/
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#pragma once
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#include <chrono>
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#include <experimental/optional>
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// FIXME: wraps around in 2038
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class gc_clock {
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public:
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using base = std::chrono::system_clock;
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using rep = int32_t;
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using period = std::ratio<1, 1>; // seconds
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using duration = std::chrono::duration<rep, period>;
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using time_point = std::chrono::time_point<gc_clock, duration>;
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static time_point now() {
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return time_point(std::chrono::duration_cast<duration>(base::now().time_since_epoch()));
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}
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};
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using ttl_opt = std::experimental::optional<gc_clock::time_point>;
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