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 |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:arch_test_and_set_bit_lock
Proto:static __always_inline bool arch_test_and_set_bit_lock(long nr, volatile unsigned long *addr)
Type:bool
Parameter:
Type | Parameter | Name |
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long | nr | |
volatile unsigned long * | addr |
144 | Return arch_test_and_set_bit(nr, addr) |
Name | Describe |
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test_and_set_bit_lock | st_and_set_bit_lock - Set a bit and return its old value, for lock*@nr: Bit to set*@addr: Address to count from* This operation is atomic and provides acquire barrier semantics if* the returned value is 0.* It can be used to implement bit locks. |
Source code conversion tool public plug-in interface | X |
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