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 11:53:23
Last Modify:2020-03-17 15:28:32 Copyright©Brick
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函数名称：Reflects a waiter being removed from the waitqueue by wakeup* paths.

函数原型：static inline void hb_waiters_dec(struct futex_hash_bucket *hb)

返回类型：void

参数：

类型参数名称
struct futex_hash_bucket *hb

NULL

调用者
名称描述
__unqueue_futex__unqueue_futex() - Remove the futex_q from its futex_hash_bucket*@q: The futex_q to unqueue* The q->lock_ptr must not be NULL and must be held by the caller.
requeue_futexqueue_futex() - Requeue a futex_q from one hb to another*@q: the futex_q to requeue*@hb1: the source hash_bucket*@hb2: the target hash_bucket*@key2: the new key for the requeued futex_q
futex_requeueex_requeue() - Requeue waiters from uaddr1 to uaddr2*@uaddr1: source futex user address*@flags: futex flags (FLAGS_SHARED, etc
queue_unlock
handle_early_requeue_pi_wakeuphandle_early_requeue_pi_wakeup() - Detect early wakeup on the initial futex*@hb: the hash_bucket futex_q was original enqueued on*@q: the futex_q woken while waiting to be requeued*@key2: the futex_key of the requeue target futex*@timeout: the timeout