Function report |
Source Code:kernel\locking\rwsem.c |
Create Date:2022-07-28 09:48:31 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:rylock for writing -- returns 1 if successful, 0 if contention
Proto:int down_write_trylock(struct rw_semaphore *sem)
Type:int
Parameter:
| Type | Parameter | Name |
|---|---|---|
| struct rw_semaphore * | sem |
| 1562 | ret = __down_write_trylock(sem) |
| 1564 | If ret == 1 Then rwsem_acquire( & dep_map, 0, 1, _RET_IP_) |
| 1567 | Return ret |
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