Function report |
Source Code:kernel\freezer.c |
Create Date:2022-07-28 10:37:04 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:zing_slow_path - slow path for testing whether a task needs to be frozen*@p: task to be tested* This function is called by freezing() if system_freezing_cnt isn't zero* and tests whether @p needs to enter and stay in frozen state. Can be
Proto:bool freezing_slow_path(struct task_struct *p)
Type:bool
Parameter:
| Type | Parameter | Name |
|---|---|---|
| struct task_struct * | p |
| 39 | If Per task flags (PF_*), defined further below: & (This thread should not be frozen | This thread called freeze_processes() and should not be frozen ) Then Return false |
| 42 | If test_tsk_thread_flag(p, s terminating due to OOM killer ) Then Return false |
| 45 | If pm_nosig_freezing || cgroup_freezing(p) Then Return true |
| 48 | If dicate whether PM freezing is in effect, protected by* system_transition_mutex && Not ( Per task flags (PF_*), defined further below: & I am a kernel thread ) Then Return true |
| 51 | Return false |
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