Function report |
Source Code:fs\pipe.c |
Create Date:2022-07-28 20:04:29 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:pipe_fasync
Proto:static int pipe_fasync(int fd, struct file *filp, int on)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
int | fd | |
struct file * | filp | |
int | on |
723 | retval = 0 |
725 | __pipe_lock(pipe) |
726 | If f_mode & le is open for reading Then retval = SMP safe fasync helpers: |
728 | If f_mode & le is open for writing && retval >= 0 Then |
730 | If retval < 0 && f_mode & le is open for reading Then SMP safe fasync helpers: |
734 | __pipe_unlock(pipe) |
735 | Return retval |
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