| // Copyright 2022 The Pigweed Authors |
| // |
| // 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 |
| // |
| // https://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. |
| #pragma once |
| |
| #include "pw_function/function.h" |
| #include "pw_status/status.h" |
| #include "pw_thread/thread_info.h" |
| |
| namespace pw::thread { |
| |
| // A callback that is executed for each thread when using ForEachThread(). The |
| // callback should return a struct reference for each thread iteration. |
| // |
| // This ThreadCallback should be treated as if the scheduler may be disabled, |
| // meaning: |
| // - Processing inside of the callback should be kept to a minimum. |
| // - Callback should never attempt to block. |
| using ThreadCallback = pw::Function<bool(const ThreadInfo&)>; |
| |
| // Iterates through all threads that haven't been deleted, calling the provided |
| // callback on each thread. |
| // |
| // Warning: This may disable the scheduler. |
| Status ForEachThread(const ThreadCallback& cb); |
| |
| } // namespace pw::thread |
