text: /*
   * Copyright (C) 2014 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #ifndef _SCOPE_GUARD_H
  #define _SCOPE_GUARD_H
  #define SCOPE_GUARD_H
  #define SCOPE_GUARD_H_
  #define NDK_ANDROID_SUPPORT_SCOPE_GUARD_H
  #define NDK_ANDROID_SUPPORT_SCOPE_GUARD_H_
  #define _SCOPE_GUARD_H_
  
  #include "private/bionic_macros.h"
  
  // TODO: include explicit std::move when it becomes available
  template<typename F>
  class ScopeGuard {
   public:
    ScopeGuard(F f) : f_(f), active_(true) {}
  
    ScopeGuard(ScopeGuard&& that) : f_(that.f_), active_(that.active_) {
      that.active_ = false;
    }
  
    ~ScopeGuard() {
      if (active_) {
        f_();
      }
    }
  
    void disable() {
      active_ = false;
    }
   private:
    F f_;
    bool active_;
  
    DISALLOW_IMPLICIT_CONSTRUCTORS(ScopeGuard);
  };
  
  template<typename T>
  ScopeGuard<T> make_scope_guard(T f) {
    return ScopeGuard<T>(f);
  }
  
  #endif  // _SCOPE_GUARD_H
  