1/****************************************************************************** 2 * 3 * Copyright (C) 2014 Google, Inc. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19#pragma once 20 21#define THREAD_NAME_MAX 16 22 23typedef struct thread_t thread_t; 24typedef void (*thread_fn)(void *context); 25 26// Creates and starts a new thread with the given name. Only THREAD_NAME_MAX 27// bytes from |name| will be assigned to the newly-created thread. Returns a 28// thread object if the thread was successfully started, NULL otherwise. The 29// returned thread object must be freed with |thread_free|. |name| may not 30// be NULL. 31thread_t *thread_new(const char *name); 32 33// Frees the given |thread|. If the thread is still running, it is stopped 34// and the calling thread will block until |thread| terminates. |thread| 35// may be NULL. 36void thread_free(thread_t *thread); 37 38// Call |func| with the argument |context| on |thread|. This function typically 39// does not block unless there are an excessive number of functions posted to 40// |thread| that have not been dispatched yet. Neither |thread| nor |func| may 41// be NULL. |context| may be NULL. 42bool thread_post(thread_t *thread, thread_fn func, void *context); 43 44// Requests |thread| to stop. Only |thread_free| and |thread_name| may be called 45// after calling |thread_stop|. This function is guaranteed to not block. 46// |thread| may not be NULL. 47void thread_stop(thread_t *thread); 48 49// Returns the name of the given |thread|. |thread| may not be NULL. 50const char *thread_name(const thread_t *thread); 51