函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\osq_lock.h Create Date:2022-07-27 06:39:36
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：osq_is_locked

函数原型：static inline bool osq_is_locked(struct optimistic_spin_queue *lock)

返回类型：bool

参数：

类型参数名称
struct optimistic_spin_queue *lock
38  返回:atomic_read( & * Stores an encoded value of the CPU # of the tail node in the queue. * If the queue is empty, then it's set to OSQ_UNLOCKED_VAL.)不等于OSQ_UNLOCKED_VAL