ioctl_pipe(2) System Calls Manual ioctl_pipe(2) ioctl_pipe - ioctl() #include /* Definition of IOC_WATCH_QUEUE_* */ #include int ioctl(int pipefd, IOC_WATCH_QUEUE_SET_SIZE, int size); int ioctl(int pipefd, IOC_WATCH_QUEUE_SET_FILTER, struct watch_notification_filter *filter); ioctl(2) . pipe(2) O_NOTIFICATION_PIPE. IOC_WATCH_QUEUE_SET_SIZE ( 5.8) size . size 1 512. IOC_WATCH_QUEUE_SET_FILTER ( 5.8) . struct watch_notification_filter struct watch_notification_type_filter. 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]; }; pipe(2), ioctl(2) 3 . . : . 6.18 8 2026 ioctl_pipe(2)