| Function report | 
| Source Code: lib\lockref.c | Create Date:2022-07-28 06:19:11 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
| home page | Tree | 
| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:lockref_put_return - Decrement reference count if possible*@lockref: pointer to lockref structure* Decrement the reference count and return the new value.* If the lockref was dead or locked, return an error.
Proto:int lockref_put_return(struct lockref *lockref)
Type:int
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| struct lockref * | lockref | 
| 148 | Note that the "cmpxchg()" reloads the "old" value for the* failure case.(count--;If count <= 0 Then Return - 1;, Return count;) | 
| 155 | Return -1 | 
| Source code conversion tool public plug-in interface | X | 
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