/* * Copyright (c) 2014-2016, Siemens AG. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include namespace embb { namespace tasks { Continuation::Continuation(Action action) { first_ = last_ = embb::base::Allocation::New(); first_->action = action; first_->next = NULL; } Continuation::Continuation(Continuation const & cont) : first_(cont.first_) , last_(cont.last_) { } Continuation::~Continuation() { } void Continuation::ExecuteContinuation(TaskContext &) { ContinuationStage * stage = first_; Node & node = Node::GetInstance(); while (NULL != stage) { Task task = node.Spawn(stage->action); task.Wait(MTAPI_INFINITE); stage = stage->next; } // delete stages stage = first_; while (NULL != stage) { ContinuationStage * next = stage->next; embb::base::Allocation::Delete(stage); stage = next; } } Continuation & Continuation::Then(Action action) { ContinuationStage * cur = embb::base::Allocation::New(); cur->action = action; cur->next = NULL; last_->next = cur; last_ = cur; return *this; } Task Continuation::Spawn() { return Spawn(ExecutionPolicy()); } Task Continuation::Spawn(ExecutionPolicy execution_policy) { Node & node = Node::GetInstance(); return node.Spawn( Action( embb::base::MakeFunction(*this, &Continuation::ExecuteContinuation), ExecutionPolicy(execution_policy))); } } // namespace tasks } // namespace embb