Function report |
Source Code:kernel\workqueue.c |
Create Date:2022-07-28 09:26:48 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:scuer_thread - the rescuer thread function*@__rescuer: self* Workqueue rescuer thread function
Proto:static int rescuer_thread(void *__rescuer)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
void * | __rescuer |
2459 | wq = I: the workqueue to rescue |
2460 | scheduled = L: scheduled works |
2469 | set_pf_worker(true) |
2470 | repeat : |
2471 | set_current_state(TASK_IDLE) |
2481 | should_stop = kthread_should_stop() |
2484 | spin_lock_irq( & wq_mayday_lock) |
2489 | pool = I: the associated pool |
2491 | bool first = true |
2496 | spin_unlock_irq( & wq_mayday_lock) |
2500 | spin_lock_irq( & he pool lock ) |
2508 | If get_work_pwq(work) == pwq Then |
2509 | If first Then L: watchdog timestamp = jiffies |
2513 | first = false |
2516 | If Not list_empty - tests whether a list is empty*@head: the list to test. Then |
2528 | If Do we need a new worker? Called from manager. Then |
2556 | spin_unlock_irq( & he pool lock ) |
2560 | spin_lock_irq( & wq_mayday_lock) |
2563 | spin_unlock_irq( & wq_mayday_lock) |
2565 | If should_stop Then |
2567 | set_pf_worker(false) |
2568 | Return 0 |
2572 | WARN_ON_ONCE(!(X: flags & WORKER_NOT_RUNNING)) |
2573 | schedule() |
2574 | Go to repeat |
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