Function report |
Source Code:include\linux\wait_bit.h |
Create Date:2022-07-28 05:41:47 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:wait_on_bit_lock - wait for a bit to be cleared, when wanting to set it*@word: the word being waited on, a kernel virtual address*@bit: the bit of the word being waited on*@mode: the task state to sleep in
Proto:static inline int wait_on_bit_lock(unsigned long *word, int bit, unsigned mode)
Type:int
Parameter:
| Type | Parameter | Name |
|---|---|---|
| unsigned long * | word | |
| int | bit | |
| unsigned | mode |
| 181 | might_sleep() |
| 182 | If Not st_and_set_bit - Set a bit and return its old value*@nr: Bit to set*@addr: Address to count from* This is an atomic fully-ordered operation (implied full memory barrier). Then Return 0 |
| 184 | Return out_of_line_wait_on_bit_lock(word, bit, bit_wait, mode) |
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