Function report |
Source Code:kernel\fork.c |
Create Date:2022-07-28 08:58:20 |
Last Modify:2020-03-17 11:04:53 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Poll support for process exit notification.
Proto:static __poll_t pidfd_poll(struct file *file, struct poll_table_struct *pts)
Type:__poll_t
Parameter:
Type | Parameter | Name |
---|---|---|
struct file * | file | |
struct poll_table_struct * | pts |
1775 | poll_flags = 0 |
1777 | poll_wait(file, & wait queue for pidfd notifications , pts) |
1780 | task = pid_task(pid, PIDTYPE_PID) |
1786 | If Not task || exit state && thread_group_empty(task) Then poll_flags = Epoll event masks | EPOLLRDNORM |
1790 | Return poll_flags |
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