mirror of
https://github.com/matrix-construct/construct
synced 2024-07-04 01:38:24 +02:00
72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
/*
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* Copyright (C) 2016 Charybdis Development Team
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* Copyright (C) 2016 Jason Volk <jason@zemos.net>
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*
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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 is present in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#define HAVE_IRCD_JS_TASK_H
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namespace ircd {
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namespace js {
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struct task
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:std::enable_shared_from_this<task>
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{
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uint64_t pid; // unique process ID
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uint64_t yid; // ID of current yield attempting unification
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std::map<uint64_t, heap_object> complete; // futures waiting for yield unification
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std::set<uint64_t> pending; // pending futures awaiting results
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std::shared_ptr<task> work; // references self when there is unfinished work
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struct global global; // global / this / root scope object
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heap_script main; // main generator wrapper script
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struct generator generator; // generator state
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private:
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static uint64_t tasks_next_pid();
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uint64_t tasks_insert();
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bool tasks_remove();
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public:
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bool pending_add(const uint64_t &id);
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bool pending_del(const uint64_t &id);
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task(const std::u16string &source);
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task(const std::string &source);
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~task() noexcept;
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static bool enter(const std::weak_ptr<task> &, const std::function<void (task &)> &closure);
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static task &get(const object &global);
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static task &get();
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};
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inline task &
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task::get()
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{
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return get(current_global());
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}
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inline task &
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task::get(const object &global)
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{
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return *reinterpret_cast<task *>(JS_GetPrivate(global));
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}
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} // namespace js
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} // namespace ircd
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