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 10:52:44
Last Modify:2020-03-17 14:26:38 Copyright©Brick
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函数名称：Futex variant, that since futex variants do not use the fast-path, can be* simple and will not need to retry.

函数原型：bool __sched __rt_mutex_futex_unlock(struct rt_mutex *lock, struct wake_q_head *wake_q)

返回类型：bool

参数：

类型参数名称
struct rt_mutex *lock
struct wake_q_head *wake_q
1615  lockdep_assert_held( & 保护自旋锁)
1617  debug_rt_mutex_unlock(lock)
1619  如果非rt_mutex_has_waiters(lock)则
1620  独占进程 = NULL
1621  返回:false
1630  Remove the top waiter from the current tasks pi waiter tree and* queue it up.* Called with lock->wait_lock held and interrupts disabled.
1632  返回:true
调用者
名称描述
rt_mutex_futex_unlock
wake_futex_piCaller must hold a reference on @pi_state.