Function report |
Source Code:kernel\locking\rwsem.c |
Create Date:2022-07-28 09:48:03 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:rwsem_read_trylock
Proto:static inline bool rwsem_read_trylock(struct rw_semaphore *sem)
Type:bool
Parameter:
Type | Parameter | Name |
---|---|---|
struct rw_semaphore * | sem |
277 | If WARN_ON_ONCE(cnt < 0) Then Set the RWSEM_NONSPINNABLE bits if the RWSEM_READER_OWNED flag* remains set. Otherwise, the operation will be aborted. |
279 | Return Not (cnt & RWSEM_READ_FAILED_MASK) |
Name | Describe |
---|---|
__down_read | lock for reading |
__down_read_killable |
Source code conversion tool public plug-in interface | X |
---|---|
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |