2015-05-27 12:08:46 +00:00
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// Copyright (c) 2012-2015, The CryptoNote developers, The Bytecoin developers
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2014-09-15 10:48:45 +00:00
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//
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// This file is part of Bytecoin.
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//
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// Bytecoin is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Bytecoin is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
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#pragma once
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2015-05-27 12:08:46 +00:00
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#include <atomic>
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2014-09-15 10:48:45 +00:00
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#include <functional>
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#include <queue>
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#include <stack>
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2015-04-06 16:13:07 +00:00
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namespace System {
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class Dispatcher {
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2014-09-15 10:48:45 +00:00
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public:
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2015-04-06 16:13:07 +00:00
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Dispatcher();
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Dispatcher(const Dispatcher&) = delete;
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~Dispatcher();
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Dispatcher& operator=(const Dispatcher&) = delete;
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2015-05-27 12:08:46 +00:00
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void clear();
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void dispatch();
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void* getCurrentContext() const;
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void pushContext(void* context);
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void remoteSpawn(std::function<void()>&& procedure);
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2014-09-15 10:48:45 +00:00
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void spawn(std::function<void()>&& procedure);
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void yield();
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2015-05-27 12:08:46 +00:00
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struct OperationContext {
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2015-04-06 16:13:07 +00:00
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void *context;
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2015-05-27 12:08:46 +00:00
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bool interrupted;
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};
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2015-05-27 12:08:46 +00:00
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int getKqueue() const;
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int getTimer();
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void pushTimer(int timer);
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#ifdef __LP64__
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static const int SIZEOF_PTHREAD_MUTEX_T = 56 + sizeof(long);
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#else
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static const int SIZEOF_PTHREAD_MUTEX_T = 40 + sizeof(long);
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#endif
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2014-09-15 10:48:45 +00:00
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private:
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2015-05-27 12:08:46 +00:00
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std::stack<uint8_t*> allocatedStacks;
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std::size_t contextCount;
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2014-09-15 10:48:45 +00:00
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void* currentContext;
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2015-05-27 12:08:46 +00:00
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int kqueue;
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2015-04-06 16:13:07 +00:00
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int lastCreatedTimer;
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2015-05-27 12:08:46 +00:00
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uint8_t mutex[SIZEOF_PTHREAD_MUTEX_T];
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std::atomic<bool> remoteSpawned;
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std::queue<std::function<void()>> remoteSpawningProcedures;
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2015-04-06 16:13:07 +00:00
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std::queue<void*> resumingContexts;
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std::queue<std::function<void()>> spawningProcedures;
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2015-05-27 12:08:46 +00:00
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std::stack<void*> reusableContexts;
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2015-04-06 16:13:07 +00:00
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std::stack<int> timers;
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2015-05-27 12:08:46 +00:00
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2015-04-06 16:13:07 +00:00
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void contextProcedure();
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2015-05-27 12:08:46 +00:00
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static void contextProcedureStatic(intptr_t context);
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2014-09-15 10:48:45 +00:00
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};
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2015-04-06 16:13:07 +00:00
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}
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