chinky/rtt-f030
chinky
/
rtt-f030
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[DeviceDrivers]Improve dataqueue resume suspended thread code. Thanks for @grissiom suggestion.

This commit is contained in:
armink 2016-10-31 15:08:55 +08:00
parent 0970cf03a4
commit 6fe47a9537
1 changed files with 1 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
components/drivers/src/dataqueue.c
View File

@ -45,7 +45,6 @@ rt_data_queue_init(struct rt_data_queue *queue,
queue->size = size; queue->size = size;
queue->lwm = lwm; queue->lwm = lwm;
queue->waiting_lwm = RT_FALSE;
queue->get_index = 0; queue->get_index = 0;
queue->put_index = 0; queue->put_index = 0;
@ -80,8 +79,6 @@ rt_err_t rt_data_queue_push(struct rt_data_queue *queue,
level = rt_hw_interrupt_disable(); level = rt_hw_interrupt_disable();
while (queue->put_index - queue->get_index == queue->size) while (queue->put_index - queue->get_index == queue->size)
{ {
queue->waiting_lwm = RT_TRUE;
/* queue is full */ /* queue is full */
if (timeout == 0) if (timeout == 0)
{ {
@ -218,8 +215,7 @@ rt_err_t rt_data_queue_pop(struct rt_data_queue *queue,
queue->get_index += 1; queue->get_index += 1;
if ((queue->waiting_lwm == RT_TRUE) && if ((queue->put_index - queue->get_index) <= queue->lwm)
(queue->put_index - queue->get_index) <= queue->lwm)
{ {
/* /*
* there is at least one thread in suspended list * there is at least one thread in suspended list
@ -241,7 +237,6 @@ rt_err_t rt_data_queue_pop(struct rt_data_queue *queue,
} }
else else
{ {
queue->waiting_lwm = RT_FALSE;
rt_hw_interrupt_enable(level); rt_hw_interrupt_enable(level);
} }