函数逻辑报告

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v5.5.9

Brick Technologies Co., Ltd

Source Code:ipc\sem.c Create Date:2022-07-27 18:19:07
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：heck_restart(sma, q)*@sma: semaphore array*@q: the operation that just completed* update_queue is O(N^2) when it restarts scanning the whole queue of* waiting operations. Therefore this function checks if the restart is* really necessary

函数原型：static inline int check_restart(struct sem_array *sma, struct sem_queue *q)

返回类型：int

参数：

类型参数名称
struct sem_array *sma
struct sem_queue *q
800  如果非链表为空则返回:1
804  如果umber of operations 大于1则返回:1
818  返回:0
调用者
名称描述
update_queuepdate_queue - look for tasks that can be completed.*@sma: semaphore array.*@semnum: semaphore that was modified.*@wake_q: lockless wake-queue head.* update_queue must be called after a semaphore in a semaphore array* was modified