函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\include\asm\bitops.h Create Date:2022-07-27 06:38:08
Last Modify:2020-03-12 14:18:49 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：arch_test_and_clear_bit

函数原型：static __always_inline bool arch_test_and_clear_bit(long nr, volatile unsigned long *addr)

返回类型：bool

参数：

类型参数名称
longnr
volatile unsigned long *addr
162  返回:GEN_BINARY_RMWcc(LOCK_PREFIX__ASM_SIZE(btr), * addr, c, "Ir", nr)
调用者
名称描述
test_and_clear_bitst_and_clear_bit - Clear a bit and return its old value*@nr: Bit to clear*@addr: Address to count from* This is an atomic fully-ordered operation (implied full memory barrier).