unify the ipc.c coding style according to the /documentation/coding_style_cn.txt

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1876 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
dzzxzz 2011-12-24 06:12:21 +00:00
parent f8afab609a
commit a1e64f295c
1 changed files with 45 additions and 24 deletions

View File

@ -252,7 +252,8 @@ rt_sem_t rt_sem_create(const char *name, rt_uint32_t value, rt_uint8_t flag)
/* allocate object */
sem = (rt_sem_t)rt_object_allocate(RT_Object_Class_Semaphore, name);
if (sem == RT_NULL) return sem;
if (sem == RT_NULL)
return sem;
/* init ipc object */
rt_ipc_object_init(&(sem->parent));
@ -414,7 +415,6 @@ rt_err_t rt_sem_release(rt_sem_t sem)
("thread %s releases sem:%s, which value is: %d\n", rt_thread_self()->name,
((struct rt_object *)sem)->name, sem->value));
if (!rt_list_isempty(&sem->parent.suspend_thread))
{
/* resume the suspended thread */
@ -427,7 +427,8 @@ rt_err_t rt_sem_release(rt_sem_t sem)
rt_hw_interrupt_enable(temp);
/* resume a thread, re-schedule */
if (need_schedule == RT_TRUE) rt_schedule();
if (need_schedule == RT_TRUE)
rt_schedule();
return RT_EOK;
}
@ -544,7 +545,8 @@ rt_mutex_t rt_mutex_create(const char *name, rt_uint8_t flag)
/* allocate object */
mutex = (rt_mutex_t)rt_object_allocate(RT_Object_Class_Mutex, name);
if (mutex == RT_NULL) return mutex;
if (mutex == RT_NULL)
return mutex;
/* init ipc object */
rt_ipc_object_init(&(mutex->parent));
@ -794,7 +796,8 @@ rt_err_t rt_mutex_release(rt_mutex_t mutex)
rt_hw_interrupt_enable(temp);
/* perform a schedule */
if (need_schedule == RT_TRUE) rt_schedule();
if (need_schedule == RT_TRUE)
rt_schedule();
return RT_EOK;
}
@ -882,7 +885,8 @@ rt_event_t rt_event_create(const char *name, rt_uint8_t flag)
/* allocate object */
event = (rt_event_t)rt_object_allocate(RT_Object_Class_Event, name);
if (event == RT_NULL) return event;
if (event == RT_NULL)
return event;
/* set parent */
event->parent.parent.flag = flag;
@ -939,7 +943,8 @@ rt_err_t rt_event_send(rt_event_t event, rt_uint32_t set)
/* parameter check */
RT_ASSERT(event != RT_NULL);
if (set == 0) return -RT_ERROR;
if (set == 0)
return -RT_ERROR;
need_schedule = RT_FALSE;
RT_OBJECT_HOOK_CALL(rt_object_put_hook, (&(event->parent.parent)));
@ -1031,7 +1036,8 @@ rt_err_t rt_event_recv(rt_event_t event, rt_uint32_t set, rt_uint8_t option, rt_
/* parameter check */
RT_ASSERT(event != RT_NULL);
if (set == 0) return -RT_ERROR;
if (set == 0)
return -RT_ERROR;
/* init status */
status = -RT_ERROR;
@ -1048,11 +1054,13 @@ rt_err_t rt_event_recv(rt_event_t event, rt_uint32_t set, rt_uint8_t option, rt_
/* check event set */
if (option & RT_EVENT_FLAG_AND)
{
if ((event->set & set) == set) status = RT_EOK;
if ((event->set & set) == set)
status = RT_EOK;
}
else if (option & RT_EVENT_FLAG_OR)
{
if (event->set & set) status = RT_EOK;
if (event->set & set)
status = RT_EOK;
}
if (status == RT_EOK)
@ -1061,7 +1069,8 @@ rt_err_t rt_event_recv(rt_event_t event, rt_uint32_t set, rt_uint8_t option, rt_
*recved = (event->set & set);
/* received event */
if (option & RT_EVENT_FLAG_CLEAR) event->set &= ~set;
if (option & RT_EVENT_FLAG_CLEAR)
event->set &= ~set;
}
else if (timeout == 0)
{
@ -1227,7 +1236,8 @@ rt_mailbox_t rt_mb_create(const char *name, rt_size_t size, rt_uint8_t flag)
/* allocate object */
mb = (rt_mailbox_t)rt_object_allocate(RT_Object_Class_MailBox, name);
if (mb == RT_NULL) return mb;
if (mb == RT_NULL)
return mb;
/* set parent */
mb->parent.parent.flag = flag;
@ -1381,7 +1391,8 @@ rt_err_t rt_mb_send_wait(rt_mailbox_t mb, rt_uint32_t value, rt_int32_t timeout)
{
tick_delta = rt_tick_get() - tick_delta;
timeout -= tick_delta;
if (timeout < 0) timeout = 0;
if (timeout < 0)
timeout = 0;
}
}
@ -1389,7 +1400,8 @@ rt_err_t rt_mb_send_wait(rt_mailbox_t mb, rt_uint32_t value, rt_int32_t timeout)
mb->msg_pool[mb->in_offset] = value;
/* increase input offset */
++ mb->in_offset;
if (mb->in_offset >= mb->size) mb->in_offset = 0;
if (mb->in_offset >= mb->size)
mb->in_offset = 0;
/* increase message entry */
mb->entry ++;
@ -1517,7 +1529,8 @@ rt_err_t rt_mb_recv(rt_mailbox_t mb, rt_uint32_t *value, rt_int32_t timeout)
{
tick_delta = rt_tick_get() - tick_delta;
timeout -= tick_delta;
if (timeout < 0) timeout = 0;
if (timeout < 0)
timeout = 0;
}
}
@ -1526,7 +1539,8 @@ rt_err_t rt_mb_recv(rt_mailbox_t mb, rt_uint32_t *value, rt_int32_t timeout)
/* increase output offset */
++ mb->out_offset;
if (mb->out_offset >= mb->size) mb->out_offset = 0;
if (mb->out_offset >= mb->size)
mb->out_offset = 0;
/* decrease message entry */
mb->entry --;
@ -1698,7 +1712,8 @@ rt_mq_t rt_mq_create(const char *name, rt_size_t msg_size, rt_size_t max_msgs, r
/* allocate object */
mq = (rt_mq_t)rt_object_allocate(RT_Object_Class_MessageQueue, name);
if (mq == RT_NULL) return mq;
if (mq == RT_NULL)
return mq;
/* set parent */
mq->parent.parent.flag = flag;
@ -1790,7 +1805,8 @@ rt_err_t rt_mq_send(rt_mq_t mq, void *buffer, rt_size_t size)
struct rt_mq_message *msg;
/* greater than one message size */
if (size > mq->msg_size) return -RT_ERROR;
if (size > mq->msg_size)
return -RT_ERROR;
RT_OBJECT_HOOK_CALL(rt_object_put_hook, (&(mq->parent.parent)));
@ -1870,7 +1886,8 @@ rt_err_t rt_mq_urgent(rt_mq_t mq, void *buffer, rt_size_t size)
struct rt_mq_message *msg;
/* greater than one message size */
if (size > mq->msg_size) return -RT_ERROR;
if (size > mq->msg_size)
return -RT_ERROR;
RT_OBJECT_HOOK_CALL(rt_object_put_hook, (&(mq->parent.parent)));
@ -1904,7 +1921,8 @@ rt_err_t rt_mq_urgent(rt_mq_t mq, void *buffer, rt_size_t size)
mq->msg_queue_head = msg;
/* if there is no tail */
if (mq->msg_queue_tail == RT_NULL) mq->msg_queue_tail = msg;
if (mq->msg_queue_tail == RT_NULL)
mq->msg_queue_tail = msg;
/* increase message entry */
mq->entry ++;
@ -2016,7 +2034,8 @@ rt_err_t rt_mq_recv(rt_mq_t mq, void *buffer, rt_size_t size, rt_int32_t timeout
{
tick_delta = rt_tick_get() - tick_delta;
timeout -= tick_delta;
if (timeout < 0) timeout = 0;
if (timeout < 0)
timeout = 0;
}
}
@ -2026,7 +2045,8 @@ rt_err_t rt_mq_recv(rt_mq_t mq, void *buffer, rt_size_t size, rt_int32_t timeout
/* move message queue head */
mq->msg_queue_head = msg->next;
/* reach queue tail, set to NULL */
if (mq->msg_queue_tail == msg) mq->msg_queue_tail = RT_NULL;
if (mq->msg_queue_tail == msg)
mq->msg_queue_tail = RT_NULL;
/* decrease message entry */
mq->entry --;
@ -2083,7 +2103,8 @@ rt_err_t rt_mq_control(rt_mq_t mq, rt_uint8_t cmd, void *arg)
/* move message queue head */
mq->msg_queue_head = msg->next;
/* reach queue tail, set to NULL */
if (mq->msg_queue_tail == msg) mq->msg_queue_tail = RT_NULL;
if (mq->msg_queue_tail == msg)
mq->msg_queue_tail = RT_NULL;
/* put message to free list */
msg->next = (struct rt_mq_message *)mq->msg_queue_free;