函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\wait_bit.h Create Date:2022-07-27 06:43:32
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：wait_on_bit - wait for a bit to be cleared*@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* There is a standard hashed waitqueue table for generic use. This

函数原型：static inline int wait_on_bit(unsigned long *word, int bit, unsigned mode)

返回类型：int

参数：

类型参数名称
unsigned long *word
intbit
unsignedmode
73  might_sleep()
74  如果非st_bit - Determine whether a bit is set*@nr: bit number to test*@addr: Address to start counting from则返回:0
76  返回:out_of_line_wait_on_bit(word, bit, bit_wait, mode)
调用者
名称描述
ptrace_attach
key_gc_keytypeReap keys of dead type.* We use three flags to make sure we see three complete cycles of the garbage* collector: the first to mark keys of that type as being dead, the second to* collect dead links and the third to clean up the dead keys. We have to be
wait_for_key_constructionwait_for_key_construction - Wait for construction of a key to complete*@key: The key being waited for
wait_on_inodewriteback.h requires fs.h; it, too, is not included from here.