d9ff722661
Enable the -std=gnu++11 flag for libstdc++ static and dynamic libs. ScopeGuard uses DISABLE_ macros instead of '= delete'; Change-Id: I07e21b306f95fffd49345f7fa136cfdac61e0225
54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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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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*/
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#ifndef _SCOPE_GUARD_H
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#define _SCOPE_GUARD_H
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#include "private/bionic_macros.h"
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// TODO: include explicit std::move when it becomes available
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template<typename F>
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class ScopeGuard {
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public:
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ScopeGuard(F f) : f_(f), active_(true) {}
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ScopeGuard(ScopeGuard&& that) : f_(that.f_), active_(that.active_) {
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that.active_ = false;
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}
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~ScopeGuard() {
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if (active_) {
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f_();
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}
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}
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void disable() {
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active_ = false;
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}
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private:
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F f_;
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bool active_;
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DISALLOW_IMPLICIT_CONSTRUCTORS(ScopeGuard);
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};
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template<typename T>
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ScopeGuard<T> make_scope_guard(T f) {
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return ScopeGuard<T>(f);
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}
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#endif // _SCOPE_GUARD_H
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