| /****************************************************************************** |
| * |
| * Copyright (C) 2014 Google, Inc. |
| * |
| * 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. |
| * |
| ******************************************************************************/ |
| |
| #pragma once |
| |
| #define THREAD_NAME_MAX 16 |
| |
| typedef struct thread_t thread_t; |
| typedef void (*thread_fn)(void *context); |
| |
| // Creates and starts a new thread with the given name. Only THREAD_NAME_MAX |
| // bytes from |name| will be assigned to the newly-created thread. Returns a |
| // thread object if the thread was successfully started, NULL otherwise. The |
| // returned thread object must be freed with |thread_free|. |name| may not |
| // be NULL. |
| thread_t *thread_new(const char *name); |
| |
| // Frees the given |thread|. If the thread is still running, it is stopped |
| // and the calling thread will block until |thread| terminates. |thread| |
| // may be NULL. |
| void thread_free(thread_t *thread); |
| |
| // Call |func| with the argument |context| on |thread|. This function typically |
| // does not block unless there are an excessive number of functions posted to |
| // |thread| that have not been dispatched yet. Neither |thread| nor |func| may |
| // be NULL. |context| may be NULL. |
| bool thread_post(thread_t *thread, thread_fn func, void *context); |
| |
| // Requests |thread| to stop. Only |thread_free| and |thread_name| may be called |
| // after calling |thread_stop|. This function is guaranteed to not block. |
| // |thread| may not be NULL. |
| void thread_stop(thread_t *thread); |
| |
| // Returns the name of the given |thread|. |thread| may not be NULL. |
| const char *thread_name(const thread_t *thread); |