函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\locking\rtmutex.c Create Date:2022-07-27 10:52:15
Last Modify:2020-03-17 14:26:38 Copyright©Brick
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函数名称：rt_mutex_enqueue

函数原型：static void rt_mutex_enqueue(struct rt_mutex *lock, struct rt_mutex_waiter *waiter)

返回类型：void

参数：

类型参数名称
struct rt_mutex *lock
struct rt_mutex_waiter *waiter
275  link等于rb_node
276  struct rb_node * parent = NULL
278  bool leftmost = true
280  当link循环
281  parent等于link
282  entry等于rb_entry(parent, structrt_mutex_waiter, tree_entry)
283  如果rt_mutex_waiter_less(waiter, entry)则
284  link等于rb_left
285  否则
286  link等于rb_right
287  leftmost = false
291  rb_link_node( & tree_entry, parent, link)
292  rb_insert_color_cached( & tree_entry, & 等待队列, leftmost)
调用者
名称描述
rt_mutex_adjust_prio_chainAdjust the priority chain
task_blocks_on_rt_mutexTask blocks on lock.* Prepare waiter and propagate pi chain* This must be called with lock->wait_lock held and interrupts disabled