函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\atomic-fallback.h Create Date:2022-07-27 06:38:50
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：atomic64_dec_and_test - decrement and test*@v: pointer of type atomic64_t* Atomically decrements @v by 1 and* returns true if the result is 0, or false for all other* cases.

函数原型：static inline bool atomic64_dec_and_test(atomic64_t *v)

返回类型：bool

参数：

类型参数名称
atomic64_t *v
2143  返回:atomic64_dec_return(v)恒等于0
调用者
名称描述
bpf_map_put_uref
__bpf_map_putdecrement map refcnt and schedule it for freeing via workqueue* (unrelying map implementation ops->map_free() might sleep)
__bpf_prog_put