rt_mutex_start_proxy

函数名称：_mutex_start_proxy_lock() - Start lock acquisition for another task*@lock: the rt_mutex to take*@waiter: the pre-initialized rt_mutex_waiter*@task: the task to prepare* Starts the rt_mutex acquire; it enqueues the @waiter and does deadlock* detection

函数原型：int rt_mutex_start_proxy_lock(struct rt_mutex *lock, struct rt_mutex_waiter *waiter, struct task_struct *task)

返回类型：int

参数：

类型	参数	名称
struct rt_mutex *	lock
struct rt_mutex_waiter *	waiter
struct task_struct *	task

1802

关闭本地中断，获取所要保护的运行队列（runqueue）的自旋锁（spinlock），为查找可运行进程做准备。( & 保护自旋锁)

1803

ret等于__rt_mutex_start_proxy_lock() - Start lock acquisition for another task*@lock: the rt_mutex to take*@waiter: the pre-initialized rt_mutex_waiter*@task: the task to prepare* Starts the rt_mutex acquire; it enqueues the @waiter and does deadlock* detection

1804

如果此条件成立可能性小(为编译器优化)(ret)则Remove a waiter from a lock and give up* Must be called with lock->wait_lock held and interrupts disabled. I must* have just failed to try_to_take_rt_mutex().

1806

raw_spin_unlock_irq( & 保护自旋锁)

1808

返回:ret

**调用者**
名称	描述
futex_requeue	ex_requeue() - Requeue waiters from uaddr1 to uaddr2@uaddr1: source futex user address@flags: futex flags (FLAGS_SHARED, etc

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码

函数逻辑报告