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Diffstat (limited to 'man2/ioctl_pipe.2')
| -rw-r--r-- | man2/ioctl_pipe.2 | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/man2/ioctl_pipe.2 b/man2/ioctl_pipe.2 deleted file mode 100644 index 995e896de..000000000 --- a/man2/ioctl_pipe.2 +++ /dev/null @@ -1,64 +0,0 @@ -.\" Copyright (c) 2022 by Cyril Hrubis <chrubi@suse.cz> -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.TH ioctl_pipe 2 (date) "Linux man-pages (unreleased)" -.SH NAME -ioctl_pipe \- ioctl() operations for General notification mechanism -.SH SYNOPSIS -.nf -.BR "#include <linux/watch_queue.h>" " /* Definition of " IOC_WATCH_QUEUE_ "* */" -.B #include <sys/ioctl.h> -.PP -.BI "int ioctl(int " pipefd "[1], IOC_WATCH_QUEUE_SET_SIZE, int " size ); -.BI "int ioctl(int " pipefd "[1], IOC_WATCH_QUEUE_SET_FILTER," -.BI " struct watch_notification_filter *" filter ); -.fi -.SH DESCRIPTION -The following -.BR ioctl (2) -operations are provided to set up general notification queue parameters. -The notification queue is built on the top of a -.BR pipe (2) -opened with the -.B O_NOTIFICATION_PIPE -flag. -.TP -.BR IOC_WATCH_QUEUE_SET_SIZE " (since Linux 5.8)" -.\" commit c73be61cede5882f9605a852414db559c0ebedfd -Preallocates the pipe buffer memory so that -it can fit -.I size -notification messages. -Currently, -.I size -must be between 1 and 512. -.TP -.BR IOC_WATCH_QUEUE_SET_FILTER " (since Linux 5.8)" -.\" commit c73be61cede5882f9605a852414db559c0ebedfd -Watch queue filter can limit events that are received. -Filters are passed in a -.I struct watch_notification_filter -and each filter is described by a -.I struct watch_notification_type_filter -structure. -.IP -.in +4n -.EX -struct watch_notification_filter { - __u32 nr_filters; - __u32 __reserved; - struct watch_notification_type_filter filters[]; -}; -\& -struct watch_notification_type_filter { - __u32 type; - __u32 info_filter; - __u32 info_mask; - __u32 subtype_filter[8]; -}; -.EE -.in -.SH SEE ALSO -.BR pipe (2), -.BR ioctl (2) |