| /* $Id$ |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to you 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. |
| */ |
| |
| /* |
| * etch_thread.h -- thread implementation |
| */ |
| |
| #ifndef _ETCH_THREAD_H_ |
| #define _ETCH_THREAD_H |
| |
| #include "etch_errno.h" |
| #include "etch_mem.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define ETCH_THREAD_CREATE_JOINABLE 0 |
| #define ETCH_THREAD_CREATE_DETACHED 1 |
| |
| typedef struct etch_thread_attr_t etch_thread_attr_t; |
| typedef struct etch_thread_t etch_thread_t; |
| |
| typedef void (*etch_thread_func)(etch_thread_t* thread, void* data); |
| |
| /** |
| * create a new thread attr instance. |
| * @param attr |
| * @return status |
| */ |
| etch_status_t etch_thread_attr_create(etch_thread_attr_t** attr); |
| |
| /** |
| * set thread detach state. |
| * @param attr |
| * @param state ETCH_THREAD_CREATE_JOINABLE or ETCH_THREAD_CREATE_DETACHED |
| * @return status |
| */ |
| etch_status_t etch_thread_attr_set_detachstate(etch_thread_attr_t* attr, int state); |
| |
| /** |
| * get thread detach state. |
| * @param attr |
| * @param state ETCH_THREAD_CREATE_JOINABLE or ETCH_THREAD_CREATE_DETACHED |
| * @return status |
| */ |
| etch_status_t etch_thread_attr_get_detachstate(etch_thread_attr_t* attr, int* state); |
| |
| /** |
| * destroy thread attr instance. |
| * @param attr |
| * @return status |
| */ |
| etch_status_t etch_thread_attr_destroy(etch_thread_attr_t* attr); |
| |
| |
| /** |
| * create a new thread. |
| * @param thread |
| * @param attr |
| * @param thread_proc |
| * @param data |
| * @return status |
| */ |
| etch_status_t etch_thread_create(etch_thread_t** thread, const etch_thread_attr_t* attr, etch_thread_func thread_proc, void* data); |
| |
| /** |
| * wait thread proc has finished. |
| * @param thread |
| * @param status return code of thread exit |
| * @return status |
| */ |
| etch_status_t etch_thread_join(etch_thread_t* thread, etch_status_t* status); |
| |
| /** |
| * yield current thread. |
| * @param status |
| */ |
| etch_status_t etch_thread_yield(); |
| |
| /** |
| * thread exit, return status |
| * @param thread |
| * @param status thread exit status |
| * @return status |
| */ |
| etch_status_t etch_thread_exit(etch_thread_t* thread, etch_status_t status); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* #ifndef _ETCH_THREAD_H */ |