函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\timerfd.c Create Date:2022-07-29 10:51:49
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：timerfd_release

函数原型：static int timerfd_release(struct inode *inode, struct file *file)

返回类型：int

参数：

类型参数名称
struct inode *inode
struct file *file
218  ctx等于 needed for tty driver, and maybe others
220  timerfd_remove_cancel(ctx)
222  如果isalarm(ctx)则alarm_cancel - Spins trying to cancel an alarm timer until it is done*@alarm: ptr to alarm to be canceled* Returns 1 if the timer was canceled, 0 if it was not active.
224  否则hrtimer_cancel - cancel a timer and wait for the handler to finish.*@timer: the timer to be cancelled* Returns:* 0 when the timer was not active* 1 when the timer was active
226  kfree_rcu() - kfree an object after a grace period(ctx, rcu)
227  返回:0