Function report |
Source Code:lib\lockref.c |
Create Date:2022-07-28 06:19:10 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:lockref_get_not_zero - Increments count unless the count is 0 or dead*@lockref: pointer to lockref structure* Return: 1 if count updated successfully or 0 if count was zero
Proto:int lockref_get_not_zero(struct lockref *lockref)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct lockref * | lockref |
67 | Note that the "cmpxchg()" reloads the "old" value for the* failure case.(count++;If count <= 0 Then Return 0;, Return 1;) |
76 | retval = 0 |
77 | If count > 0 Then |
81 | spin_unlock( & lock) |
82 | Return retval |
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