From ef132f3c942fcb877523a0ea5d64559fcd05512b Mon Sep 17 00:00:00 2001 From: Bernard Xiong Date: Tue, 26 Jun 2018 11:57:20 +0800 Subject: [PATCH] [Kernel] clean code for indentation. --- components/drivers/include/ipc/waitqueue.h | 34 +++++++++-- components/drivers/src/waitqueue.c | 67 +++++++++++++++------- include/rtdef.h | 4 +- src/device.c | 2 +- 4 files changed, 78 insertions(+), 29 deletions(-) diff --git a/components/drivers/include/ipc/waitqueue.h b/components/drivers/include/ipc/waitqueue.h index 11c3e6609e..8cb0989f73 100644 --- a/components/drivers/include/ipc/waitqueue.h +++ b/components/drivers/include/ipc/waitqueue.h @@ -1,3 +1,28 @@ +/* + * File : waitqueue.h + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Change Logs: + * Date Author Notes + * 2018/06/26 Bernard Fix the wait queue issue when wakeup a soon + * to blocked thread. + */ + #ifndef WAITQUEUE_H__ #define WAITQUEUE_H__ @@ -11,11 +36,11 @@ typedef int (*rt_wqueue_func_t)(struct rt_wqueue_node *wait, void *key); struct rt_wqueue_node { - rt_thread_t polling_thread; - rt_list_t list; + rt_thread_t polling_thread; + rt_list_t list; - rt_wqueue_func_t wakeup; - rt_uint32_t key; + rt_wqueue_func_t wakeup; + rt_uint32_t key; }; typedef struct rt_wqueue_node rt_wqueue_node_t; @@ -46,4 +71,3 @@ void rt_wqueue_wakeup(rt_wqueue_t *queue, void *key); #define DEFINE_WAIT(name) DEFINE_WAIT_FUNC(name, __wqueue_default_wake) #endif - diff --git a/components/drivers/src/waitqueue.c b/components/drivers/src/waitqueue.c index cab70858e9..a4c392a27c 100644 --- a/components/drivers/src/waitqueue.c +++ b/components/drivers/src/waitqueue.c @@ -1,3 +1,28 @@ +/* + * File : waitqueue.c + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Change Logs: + * Date Author Notes + * 2018/06/26 Bernard Fix the wait queue issue when wakeup a soon + * to blocked thread. + */ + #include #include @@ -32,30 +57,30 @@ void rt_wqueue_wakeup(rt_wqueue_t *queue, void *key) rt_base_t level; register int need_schedule = 0; - rt_list_t *queue_list; + rt_list_t *queue_list; struct rt_list_node *node; struct rt_wqueue_node *entry; - queue_list = &(queue->waiting_list); + queue_list = &(queue->waiting_list); level = rt_hw_interrupt_disable(); - /* set wakeup flag in the queue */ - queue->flag = RT_WQ_FLAG_WAKEUP; + /* set wakeup flag in the queue */ + queue->flag = RT_WQ_FLAG_WAKEUP; if (!(rt_list_isempty(queue_list))) { - for (node = queue_list->next; node != queue_list; node = node->next) - { - entry = rt_list_entry(node, struct rt_wqueue_node, list); - if (entry->wakeup(entry, key) == 0) - { - rt_thread_resume(entry->polling_thread); - need_schedule = 1; + for (node = queue_list->next; node != queue_list; node = node->next) + { + entry = rt_list_entry(node, struct rt_wqueue_node, list); + if (entry->wakeup(entry, key) == 0) + { + rt_thread_resume(entry->polling_thread); + need_schedule = 1; - rt_wqueue_remove(entry); - break; - } - } + rt_wqueue_remove(entry); + break; + } + } } rt_hw_interrupt_enable(level); @@ -85,11 +110,11 @@ int rt_wqueue_wait(rt_wqueue_t *queue, int condition, int msec) rt_list_init(&__wait.list); level = rt_hw_interrupt_disable(); - if (queue->flag == RT_WQ_FLAG_WAKEUP) - { - /* already wakeup */ - goto __exit_wakeup; - } + if (queue->flag == RT_WQ_FLAG_WAKEUP) + { + /* already wakeup */ + goto __exit_wakeup; + } rt_wqueue_add(queue, &__wait); rt_thread_suspend(tid); @@ -110,7 +135,7 @@ int rt_wqueue_wait(rt_wqueue_t *queue, int condition, int msec) level = rt_hw_interrupt_disable(); __exit_wakeup: - queue->flag = 0; + queue->flag = 0; rt_hw_interrupt_enable(level); rt_wqueue_remove(&__wait); diff --git a/include/rtdef.h b/include/rtdef.h index 978d8d6009..891c5a6828 100644 --- a/include/rtdef.h +++ b/include/rtdef.h @@ -868,8 +868,8 @@ struct rt_device_ops */ struct rt_wqueue { - rt_uint32_t flag; - rt_list_t waiting_list; + rt_uint32_t flag; + rt_list_t waiting_list; }; typedef struct rt_wqueue rt_wqueue_t; #endif diff --git a/src/device.c b/src/device.c index 0ec1e3d70e..d5535b5aa1 100644 --- a/src/device.c +++ b/src/device.c @@ -77,7 +77,7 @@ rt_err_t rt_device_register(rt_device_t dev, #if defined(RT_USING_POSIX) dev->fops = RT_NULL; - rt_wqueue_init(&(dev->wait_queue)); + rt_wqueue_init(&(dev->wait_queue)); #endif return RT_EOK;