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107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2012, 2013 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef RIPPLE_CORE_JOBCOROINL_H_INCLUDED
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#define RIPPLE_CORE_JOBCOROINL_H_INCLUDED
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namespace ripple {
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template <class F>
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JobCoro::JobCoro(detail::JobCoro_create_t, JobQueue& jq, JobType type,
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std::string const& name, F&& f)
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: jq_(jq)
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, type_(type)
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, name_(name)
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, running_(false)
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, coro_(
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[this, fn = std::forward<F>(f)]
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(boost::coroutines::asymmetric_coroutine<void>::push_type& do_yield)
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{
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yield_ = &do_yield;
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yield();
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fn(shared_from_this());
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#ifndef NDEBUG
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finished_ = true;
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#endif
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}, boost::coroutines::attributes (1024 * 1024))
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{
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}
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inline
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JobCoro::~JobCoro()
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{
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assert(finished_);
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}
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inline
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void
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JobCoro::yield() const
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{
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{
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std::lock_guard<std::mutex> lock(jq_.m_mutex);
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++jq_.nSuspend_;
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}
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(*yield_)();
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}
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inline
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void
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JobCoro::post()
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{
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{
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std::lock_guard<std::mutex> lk(mutex_run_);
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running_ = true;
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}
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// sp keeps 'this' alive
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jq_.addJob(type_, name_,
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[this, sp = shared_from_this()](Job&)
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{
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{
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std::lock_guard<std::mutex> lock(jq_.m_mutex);
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--jq_.nSuspend_;
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}
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auto saved = detail::getLocalValues().release();
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detail::getLocalValues().reset(&lvs_);
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std::lock_guard<std::mutex> lock(mutex_);
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coro_();
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detail::getLocalValues().release();
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detail::getLocalValues().reset(saved);
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std::lock_guard<std::mutex> lk(mutex_run_);
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running_ = false;
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cv_.notify_all();
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});
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}
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inline
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void
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JobCoro::join()
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{
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std::unique_lock<std::mutex> lk(mutex_run_);
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cv_.wait(lk,
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[this]()
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{
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return running_ == false;
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});
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}
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} // ripple
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#endif
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