Function report |
Source Code:arch\x86\include\asm\bitops.h |
Create Date:2022-07-28 05:34:10 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:arch___test_and_set_bit
Proto:static __always_inline bool arch___test_and_set_bit(long nr, volatile unsigned long *addr)
Type:bool
Parameter:
Type | Parameter | Name |
---|---|---|
long | nr | |
volatile unsigned long * | addr |
152 | asm(__ASM_SIZE " %2,%1" CC_SET:CC_OUT(oldbit):ADDR, "Ir"(nr):"memory") |
156 | Return oldbit |
Name | Describe |
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__test_and_set_bit | __test_and_set_bit - Set a bit and return its old value*@nr: Bit to set*@addr: Address to count from* This operation is non-atomic. If two instances of this operation race, one* can appear to succeed but actually fail. |
Source code conversion tool public plug-in interface | X |
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