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95 lines
2.0 KiB
C++
95 lines
2.0 KiB
C++
#ifndef LLARP_THREADPOOL_H
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#define LLARP_THREADPOOL_H
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#include <util/string_view.hpp>
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#include <util/thread/queue.hpp>
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#include <util/thread/thread_pool.hpp>
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#include <util/thread/threading.hpp>
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#include <util/thread/annotations.hpp>
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#include <util/types.hpp>
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#include <memory>
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#include <queue>
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struct llarp_threadpool;
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#ifdef __cplusplus
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struct llarp_threadpool
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{
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std::unique_ptr< llarp::thread::ThreadPool > impl;
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llarp_threadpool(int workers, llarp::string_view name,
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size_t queueLength = size_t{1024 * 8})
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: impl(std::make_unique< llarp::thread::ThreadPool >(
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workers, std::max(queueLength, size_t{32}), name))
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{
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}
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size_t
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size() const;
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size_t
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pendingJobs() const;
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size_t
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numThreads() const;
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/// see if this thread is full given lookahead amount
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bool
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LooksFull(size_t lookahead) const
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{
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return (pendingJobs() + lookahead) >= size();
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}
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};
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#endif
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struct llarp_threadpool *
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llarp_init_threadpool(int workers, const char *name, size_t queueLength);
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void
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llarp_free_threadpool(struct llarp_threadpool **tp);
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using llarp_thread_work_func = void (*)(void *);
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/** job to be done in worker thread */
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struct llarp_thread_job
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{
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#ifdef __cplusplus
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/** user data to pass to work function */
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void *user{nullptr};
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/** called in threadpool worker thread */
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llarp_thread_work_func work{nullptr};
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llarp_thread_job(void *u, llarp_thread_work_func w) : user(u), work(w)
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{
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}
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llarp_thread_job() = default;
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#else
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void *user;
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llarp_thread_work_func work;
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#endif
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};
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void
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llarp_threadpool_tick(struct llarp_threadpool *tp);
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bool
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llarp_threadpool_queue_job(struct llarp_threadpool *tp,
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struct llarp_thread_job j);
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#ifdef __cplusplus
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bool
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llarp_threadpool_queue_job(struct llarp_threadpool *tp,
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std::function< void(void) > func);
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#endif
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void
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llarp_threadpool_start(struct llarp_threadpool *tp);
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void
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llarp_threadpool_stop(struct llarp_threadpool *tp);
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#endif
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