mirror of
https://github.com/rakshasa/rtorrent.git
synced 2026-08-06 10:12:30 +00:00
Jari Sundell
45 lines
879 B
C++
45 lines
879 B
C++
#ifndef RTORRENT_UTILS_WAITPID_QUEUE_H
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#define RTORRENT_UTILS_WAITPID_QUEUE_H
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#include <future>
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#include <set>
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#include <torrent/system/common.h>
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namespace utils {
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class WaitpidQueue {
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public:
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WaitpidQueue();
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~WaitpidQueue();
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uint32_t size() const;
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void close_pid(int pid);
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void wait_for(uint32_t max_remaining);
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private:
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WaitpidQueue(const WaitpidQueue&) = delete;
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WaitpidQueue& operator=(const WaitpidQueue&) = delete;
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std::future<void> m_worker;
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align_cacheline
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std::mutex m_mutex;
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std::set<pid_t> m_queue;
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align_cacheline
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std::atomic<bool> m_wakeup_worker{};
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std::atomic<bool> m_should_shutdown{};
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std::atomic<uint32_t> m_remaining{};
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};
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inline uint32_t WaitpidQueue::size() const { return m_remaining.load(std::memory_order_acquire); }
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} // namespace utils
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#endif
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