rclcpp
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C++ ROS Client Library API
include
rclcpp
scope_exit.hpp
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// Copyright 2015 Open Source Robotics Foundation, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Based on: http://the-witness.net/news/2012/11/scopeexit-in-c11/
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// But I changed the lambda to include by reference rather than value, see:
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// http://the-witness.net/news/2012/11/scopeexit-in-c11/comment-page-1/#comment-86873
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#ifndef RCLCPP__SCOPE_EXIT_HPP_
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#define RCLCPP__SCOPE_EXIT_HPP_
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#include <functional>
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#include "
rclcpp/macros.hpp
"
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namespace
rclcpp
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{
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template
<
typename
Callable>
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struct
ScopeExit
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{
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explicit
ScopeExit
(Callable callable)
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: callable_(callable) {}
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~ScopeExit
() {callable_();}
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private
:
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Callable callable_;
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};
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template
<
typename
Callable>
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ScopeExit<Callable>
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make_scope_exit
(Callable callable)
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{
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return
ScopeExit<Callable>
(callable);
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}
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}
// namespace rclcpp
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#define RCLCPP_SCOPE_EXIT(code) \
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auto RCLCPP_STRING_JOIN(scope_exit_, __LINE__) = rclcpp::make_scope_exit([&]() {code;})
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#endif // RCLCPP__SCOPE_EXIT_HPP_
rclcpp::ScopeExit::ScopeExit
ScopeExit(Callable callable)
Definition:
scope_exit.hpp:32
rclcpp::make_scope_exit
ScopeExit< Callable > make_scope_exit(Callable callable)
Definition:
scope_exit.hpp:42
rclcpp
This header provides the get_node_base_interface() template function.
Definition:
allocator_common.hpp:24
macros.hpp
rclcpp::ScopeExit::~ScopeExit
~ScopeExit()
Definition:
scope_exit.hpp:34
rclcpp::ScopeExit
Definition:
scope_exit.hpp:30
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