63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
#pragma once
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#include <atomic>
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#include <chrono>
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#include <condition_variable>
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#include <mutex>
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#include <thread>
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#include "common.hpp"
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#include "utils/mixins.hpp"
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POLYBAR_NS
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namespace chrono = std::chrono;
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using namespace std::chrono_literals;
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class taskqueue : non_copyable_mixin<taskqueue> {
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public:
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struct deferred {
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using clock = chrono::high_resolution_clock;
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using duration = chrono::milliseconds;
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using timepoint = chrono::time_point<clock, duration>;
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using callback = function<void(size_t remaining)>;
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explicit deferred(string id, timepoint now, duration wait, callback fn, size_t count)
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: id(move(id)), func(move(fn)), now(move(now)), wait(move(wait)), count(move(count)) {}
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const string id;
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const callback func;
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timepoint now;
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duration wait;
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size_t count;
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};
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public:
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using make_type = unique_ptr<taskqueue>;
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static make_type make();
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explicit taskqueue();
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~taskqueue();
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void defer(
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string id, deferred::duration ms, deferred::callback fn, deferred::duration offset = 0ms, size_t count = 1);
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void defer_unique(
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string id, deferred::duration ms, deferred::callback fn, deferred::duration offset = 0ms, size_t count = 1);
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bool exist(const string& id);
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bool purge(const string& id);
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protected:
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void tick();
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private:
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std::thread m_thread;
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std::mutex m_lock;
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std::condition_variable m_hold;
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std::atomic_bool m_active{true};
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vector<unique_ptr<deferred>> m_deferred;
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};
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POLYBAR_NS_END
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