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100 lines
2.1 KiB
C++
100 lines
2.1 KiB
C++
#ifndef LLARP_THREADPOOL_H
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#define LLARP_THREADPOOL_H
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#include <util/queue.hpp>
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#include <util/string_view.hpp>
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#include <util/thread_pool.hpp>
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#include <absl/base/thread_annotations.h>
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#include <memory>
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#include <queue>
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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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std::unique_ptr< llarp::thread::Queue< std::function< void(void) > > > jobs;
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const pid_t callingPID;
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llarp_threadpool(int workers, llarp::string_view name)
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: impl(std::make_unique< llarp::thread::ThreadPool >(workers,
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workers * 128, name))
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, jobs(nullptr)
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, callingPID(0)
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{
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}
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llarp_threadpool()
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: jobs(new llarp::thread::Queue< std::function< void(void) > >(128))
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, callingPID(::getpid())
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{
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jobs->enable();
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}
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size_t
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size() const
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{
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if(jobs)
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return jobs->size();
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return 0;
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}
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bool
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QueueFunc(std::function< void(void) > f)
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{
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if(impl)
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return impl->tryAddJob(f);
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return jobs->tryPushBack(f) == llarp::thread::QueueReturn::Success;
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}
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};
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struct llarp_threadpool *
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llarp_init_threadpool(int workers, const char *name);
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/// for single process mode
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struct llarp_threadpool *
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llarp_init_same_process_threadpool();
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void
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llarp_free_threadpool(struct llarp_threadpool **tp);
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typedef void (*llarp_thread_work_func)(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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/** user data to pass to work function */
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void *user;
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/** called in threadpool worker thread */
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llarp_thread_work_func work;
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#ifdef __cplusplus
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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() : user(nullptr), work(nullptr)
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{
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}
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#endif
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};
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/// for single process mode
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void
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llarp_threadpool_tick(struct llarp_threadpool *tp);
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void
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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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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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void
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llarp_threadpool_join(struct llarp_threadpool *tp);
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void
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llarp_threadpool_wait(struct llarp_threadpool *tp);
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#endif
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