[DeviceDrivers]Reset dataqueue waiting_lwm flag when suspended_push_list is empty
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@ -20,6 +20,7 @@
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* Change Logs:
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* Date Author Notes
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* 2012-09-30 Bernard first version.
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* 2016-10-31 armink fix some resume push and pop thread bugs
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*/
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#include <rtthread.h>
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@ -220,8 +221,6 @@ rt_err_t rt_data_queue_pop(struct rt_data_queue *queue,
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if ((queue->waiting_lwm == RT_TRUE) &&
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(queue->put_index - queue->get_index) <= queue->lwm)
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{
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queue->waiting_lwm = RT_FALSE;
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/*
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* there is at least one thread in suspended list
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* and less than low water mark
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@ -242,6 +241,7 @@ rt_err_t rt_data_queue_pop(struct rt_data_queue *queue,
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}
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else
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{
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queue->waiting_lwm = RT_FALSE;
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rt_hw_interrupt_enable(level);
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}
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