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| 1 // Copyright 2014 The Crashpad Authors. All rights reserved. | 1 // Copyright 2014 The Crashpad Authors. All rights reserved. |
| 2 // | 2 // |
| 3 // Licensed under the Apache License, Version 2.0 (the "License"); | 3 // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 // you may not use this file except in compliance with the License. | 4 // you may not use this file except in compliance with the License. |
| 5 // You may obtain a copy of the License at | 5 // You may obtain a copy of the License at |
| 6 // | 6 // |
| 7 // http://www.apache.org/licenses/LICENSE-2.0 | 7 // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 // | 8 // |
| 9 // Unless required by applicable law or agreed to in writing, software | 9 // Unless required by applicable law or agreed to in writing, software |
| 10 // distributed under the License is distributed on an "AS IS" BASIS, | 10 // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 // See the License for the specific language governing permissions and | 12 // See the License for the specific language governing permissions and |
| 13 // limitations under the License. | 13 // limitations under the License. |
| 14 | 14 |
| 15 #ifndef CRASHPAD_UTIL_MISC_INITIALIZATION_INITIALIZATION_STATE_H_ | 15 #ifndef CRASHPAD_UTIL_MISC_INITIALIZATION_INITIALIZATION_STATE_H_ |
| 16 #define CRASHPAD_UTIL_MISC_INITIALIZATION_INITIALIZATION_STATE_H_ | 16 #define CRASHPAD_UTIL_MISC_INITIALIZATION_INITIALIZATION_STATE_H_ |
| 17 | 17 |
| 18 #include <stdint.h> | 18 #include <stdint.h> |
| 19 | 19 |
| 20 #include "base/basictypes.h" | 20 #include "base/macros.h" |
| 21 | 21 |
| 22 namespace crashpad { | 22 namespace crashpad { |
| 23 | 23 |
| 24 //! \brief Tracks whether data are initialized. | 24 //! \brief Tracks whether data are initialized. |
| 25 //! | 25 //! |
| 26 //! Objects of this type track whether the data they’re guarding are | 26 //! Objects of this type track whether the data they’re guarding are |
| 27 //! initialized. The three possible states are uninitialized (the initial | 27 //! initialized. The three possible states are uninitialized (the initial |
| 28 //! state), initializing, and valid. As the guarded data are initialized, an | 28 //! state), initializing, and valid. As the guarded data are initialized, an |
| 29 //! InitializationState object will normally transition through these three | 29 //! InitializationState object will normally transition through these three |
| 30 //! states. A fourth state corresponds to the destruction of objects of this | 30 //! states. A fourth state corresponds to the destruction of objects of this |
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| 91 // kStateDestroyed, limiting this class’ ability to catch use-after-free | 91 // kStateDestroyed, limiting this class’ ability to catch use-after-free |
| 92 // errors. | 92 // errors. |
| 93 volatile State state_; | 93 volatile State state_; |
| 94 | 94 |
| 95 DISALLOW_COPY_AND_ASSIGN(InitializationState); | 95 DISALLOW_COPY_AND_ASSIGN(InitializationState); |
| 96 }; | 96 }; |
| 97 | 97 |
| 98 } // namespace crashpad | 98 } // namespace crashpad |
| 99 | 99 |
| 100 #endif // CRASHPAD_UTIL_MISC_INITIALIZATION_INITIALIZATION_STATE_H_ | 100 #endif // CRASHPAD_UTIL_MISC_INITIALIZATION_INITIALIZATION_STATE_H_ |
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