Function report |
Source Code:kernel\locking\rtmutex.c |
Create Date:2022-07-28 09:52:26 |
| Last Modify:2020-03-17 14:26:38 | Copyright©Brick |
| home page | Tree |
| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Futex variant, must not use fastpath.
Proto:int __sched rt_mutex_futex_trylock(struct rt_mutex *lock)
Type:int
Parameter:
| Type | Parameter | Name |
|---|---|---|
| struct rt_mutex * | lock |
| 1531 | Return Slow path try-lock function: |
| Name | Describe |
|---|---|
| futex_lock_pi | Userspace tried a 0 -> TID atomic transition of the futex value* and failed. The kernel side here does the whole locking operation:* if there are waiters then it will block as a consequence of relying* on rt-mutexes, it does PI, etc |
| Source code conversion tool public plug-in interface | X |
|---|---|
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