函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\futex.c Create Date:2022-07-27 11:53:37
Last Modify:2020-03-17 15:28:32 Copyright©Brick
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函数名称：alloc_pi_state

函数原型：static struct futex_pi_state *alloc_pi_state(void)

返回类型：struct futex_pi_state

参数：无

835  pi_state等于pi_state_cache
837  WARN_ON(!pi_state)
838  pi_state_cache = NULL
840  返回:pi_state
调用者
名称描述
attach_to_pi_ownerLookup the task for the TID provided from user space and attach to* it after doing proper sanity checks.