| Function report | 
| Source Code: include\asm-generic\atomic-long.h | Create Date:2022-07-28 05:34:53 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
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| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:atomic_long_try_cmpxchg_acquire
Proto:static inline bool atomic_long_try_cmpxchg_acquire(atomic_long_t *v, long *old, long new)
Type:bool
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| atomic_long_t * | v | |
| long * | old | |
| long | new | 
| 936 | Return atomic_try_cmpxchg_acquire(v, (int * )old, new) | 
| Name | Describe | 
|---|---|
| rwsem_try_write_lock | This function must be called with the sem->wait_lock held to prevent* race conditions between checking the rwsem wait list and setting the* If wstate is WRITER_HANDOFF, it will make sure that either the handoff | 
| __down_read_trylock | |
| __down_write | lock for writing | 
| __down_write_killable | |
| __down_write_trylock | 
| Source code conversion tool public plug-in interface | X | 
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