| // Copyright 2015 The Cobalt Authors. All Rights Reserved. |
| // |
| // 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 STARBOARD_SHARED_STARBOARD_LAZY_INITIALIZATION_PUBLIC_H_ |
| #define STARBOARD_SHARED_STARBOARD_LAZY_INITIALIZATION_PUBLIC_H_ |
| |
| #include "starboard/types.h" |
| |
| // The utility functions defined here use atomics and spin-locks to allow for |
| // easy lazy initialization in a thread-safe way. |
| |
| // An InitializedState should be treated as an opaque type that can be |
| // initialized to kInitializedStateUninitialized and then passed into the |
| // functions in this file to transition it first to a "initializing" state and |
| // then an "initialized" state. Note that this is intended to be used as a |
| // SbAtomic32, however due to technical reasons we can't include |
| // "starboard/atomic.h". |
| typedef int32_t InitializedState; |
| |
| #if SB_API_VERSION >= 12 |
| #define INITIALIZED_STATE_UNINITIALIZED 0 |
| #else |
| #define INITIALIZED_STATE_UNINITIALIZED 1 |
| #endif |
| |
| #endif // STARBOARD_SHARED_STARBOARD_LAZY_INITIALIZATION_PUBLIC_H_ |
