diff options
39 files changed, 77 insertions, 9 deletions
diff --git a/sys/arm/ti/ti_pruss.c b/sys/arm/ti/ti_pruss.c index 4e9f2022240c..bae1de9f2ddf 100644 --- a/sys/arm/ti/ti_pruss.c +++ b/sys/arm/ti/ti_pruss.c @@ -793,6 +793,7 @@ static const struct filterops ti_pruss_kq_read = { .f_isfd = 1, .f_detach = ti_pruss_irq_kqread_detach, .f_event = ti_pruss_irq_kqevent, + .f_copy = knote_triv_copy, }; static void diff --git a/sys/cam/scsi/scsi_pass.c b/sys/cam/scsi/scsi_pass.c index c3587421c176..b44ab866dfe7 100644 --- a/sys/cam/scsi/scsi_pass.c +++ b/sys/cam/scsi/scsi_pass.c @@ -206,7 +206,8 @@ static struct cdevsw pass_cdevsw = { static const struct filterops passread_filtops = { .f_isfd = 1, .f_detach = passreadfiltdetach, - .f_event = passreadfilt + .f_event = passreadfilt, + .f_copy = knote_triv_copy, }; static MALLOC_DEFINE(M_SCSIPASS, "scsi_pass", "scsi passthrough buffers"); diff --git a/sys/cam/scsi/scsi_target.c b/sys/cam/scsi/scsi_target.c index 21c78e35dadc..39ce2bcea8f4 100644 --- a/sys/cam/scsi/scsi_target.c +++ b/sys/cam/scsi/scsi_target.c @@ -108,6 +108,7 @@ static const struct filterops targread_filtops = { .f_isfd = 1, .f_detach = targreadfiltdetach, .f_event = targreadfilt, + .f_copy = knote_triv_copy, }; static struct cdevsw targ_cdevsw = { diff --git a/sys/compat/linuxkpi/common/src/linux_compat.c b/sys/compat/linuxkpi/common/src/linux_compat.c index 458744a9fec6..ff0f477ea8cc 100644 --- a/sys/compat/linuxkpi/common/src/linux_compat.c +++ b/sys/compat/linuxkpi/common/src/linux_compat.c @@ -1171,12 +1171,14 @@ static const struct filterops linux_dev_kqfiltops_read = { .f_isfd = 1, .f_detach = linux_file_kqfilter_detach, .f_event = linux_file_kqfilter_read_event, + .f_copy = knote_triv_copy, }; static const struct filterops linux_dev_kqfiltops_write = { .f_isfd = 1, .f_detach = linux_file_kqfilter_detach, .f_event = linux_file_kqfilter_write_event, + .f_copy = knote_triv_copy, }; static void diff --git a/sys/contrib/openzfs/module/os/freebsd/zfs/zvol_os.c b/sys/contrib/openzfs/module/os/freebsd/zfs/zvol_os.c index 0dd2ecd7fd8d..3ddbfcb97184 100644 --- a/sys/contrib/openzfs/module/os/freebsd/zfs/zvol_os.c +++ b/sys/contrib/openzfs/module/os/freebsd/zfs/zvol_os.c @@ -183,6 +183,7 @@ static struct filterops zvol_filterops_vnode = { .f_isfd = 1, .f_detach = zvol_filter_detach, .f_event = zvol_filter_vnode, + .f_copy = knote_triv_copy, }; extern uint_t zfs_geom_probe_vdev_key; diff --git a/sys/dev/atkbdc/psm.c b/sys/dev/atkbdc/psm.c index 8563b5f93aa2..137758b104d3 100644 --- a/sys/dev/atkbdc/psm.c +++ b/sys/dev/atkbdc/psm.c @@ -5287,6 +5287,7 @@ static const struct filterops psmfiltops = { .f_isfd = 1, .f_detach = psmfilter_detach, .f_event = psmfilter, + .f_copy = knote_triv_copy, }; static int diff --git a/sys/dev/cyapa/cyapa.c b/sys/dev/cyapa/cyapa.c index ed755f992949..464b03c0ab64 100644 --- a/sys/dev/cyapa/cyapa.c +++ b/sys/dev/cyapa/cyapa.c @@ -1121,7 +1121,8 @@ static int cyapafilt(struct knote *, long); static const struct filterops cyapa_filtops = { .f_isfd = 1, .f_detach = cyapafiltdetach, - .f_event = cyapafilt + .f_event = cyapafilt, + .f_copy = knote_triv_copy, }; static int diff --git a/sys/dev/evdev/cdev.c b/sys/dev/evdev/cdev.c index 9fe1299a0937..dd4115cdfc71 100644 --- a/sys/dev/evdev/cdev.c +++ b/sys/dev/evdev/cdev.c @@ -96,6 +96,7 @@ static const struct filterops evdev_cdev_filterops = { .f_attach = NULL, .f_detach = evdev_kqdetach, .f_event = evdev_kqread, + .f_copy = knote_triv_copy, }; static int diff --git a/sys/dev/evdev/uinput.c b/sys/dev/evdev/uinput.c index 9ac9fee8a157..76a530479c02 100644 --- a/sys/dev/evdev/uinput.c +++ b/sys/dev/evdev/uinput.c @@ -104,6 +104,7 @@ static const struct filterops uinput_filterops = { .f_attach = NULL, .f_detach = uinput_kqdetach, .f_event = uinput_kqread, + .f_copy = knote_triv_copy, }; struct uinput_cdev_state diff --git a/sys/dev/gpio/gpioc.c b/sys/dev/gpio/gpioc.c index 6c6f79227166..f690140af97b 100644 --- a/sys/dev/gpio/gpioc.c +++ b/sys/dev/gpio/gpioc.c @@ -158,7 +158,8 @@ static const struct filterops gpioc_read_filterops = { .f_attach = NULL, .f_detach = gpioc_kqdetach, .f_event = gpioc_kqread, - .f_touch = NULL + .f_touch = NULL, + .f_copy = knote_triv_copy, }; static struct gpioc_pin_event * diff --git a/sys/dev/hid/hidraw.c b/sys/dev/hid/hidraw.c index 4855843cd265..d17356642042 100644 --- a/sys/dev/hid/hidraw.c +++ b/sys/dev/hid/hidraw.c @@ -182,6 +182,7 @@ static const struct filterops hidraw_filterops_read = { .f_isfd = 1, .f_detach = hidraw_kqdetach, .f_event = hidraw_kqread, + .f_copy = knote_triv_copy, }; static void diff --git a/sys/dev/hid/u2f.c b/sys/dev/hid/u2f.c index 08f1a5ceedba..4232322c61df 100644 --- a/sys/dev/hid/u2f.c +++ b/sys/dev/hid/u2f.c @@ -132,6 +132,7 @@ static struct filterops u2f_filterops_read = { .f_isfd = 1, .f_detach = u2f_kqdetach, .f_event = u2f_kqread, + .f_copy = knote_triv_copy, }; static int diff --git a/sys/dev/null/null.c b/sys/dev/null/null.c index 8525eb9543c3..c4f138b102c7 100644 --- a/sys/dev/null/null.c +++ b/sys/dev/null/null.c @@ -61,12 +61,14 @@ static int zero_ev(struct knote *kn, long hint); static const struct filterops one_fop = { .f_isfd = 1, - .f_event = one_ev + .f_event = one_ev, + .f_copy = knote_triv_copy, }; static const struct filterops zero_fop = { .f_isfd = 1, - .f_event = zero_ev + .f_event = zero_ev, + .f_copy = knote_triv_copy, }; static struct cdevsw full_cdevsw = { diff --git a/sys/dev/qat/qat_common/adf_freebsd_dev_processes.c b/sys/dev/qat/qat_common/adf_freebsd_dev_processes.c index 67e1d4ad2cab..c5b745bb78fb 100644 --- a/sys/dev/qat/qat_common/adf_freebsd_dev_processes.c +++ b/sys/dev/qat/qat_common/adf_freebsd_dev_processes.c @@ -89,6 +89,7 @@ static struct filterops adf_state_read_filterops = { .f_attach = NULL, .f_detach = adf_state_kqread_detach, .f_event = adf_state_kqread_event, + .f_copy = knote_triv_copy, }; static struct cdev *adf_processes_dev; diff --git a/sys/dev/usb/usb_dev.c b/sys/dev/usb/usb_dev.c index 293b0c72587f..e58d6a674ec0 100644 --- a/sys/dev/usb/usb_dev.c +++ b/sys/dev/usb/usb_dev.c @@ -1231,12 +1231,14 @@ static const struct filterops usb_filtops_write = { .f_isfd = 1, .f_detach = usb_filter_detach, .f_event = usb_filter_write, + .f_copy = knote_triv_copy, }; static const struct filterops usb_filtops_read = { .f_isfd = 1, .f_detach = usb_filter_detach, .f_event = usb_filter_read, + .f_copy = knote_triv_copy, }; /* ARGSUSED */ diff --git a/sys/fs/cuse/cuse.c b/sys/fs/cuse/cuse.c index d63a7d4691cf..b2524324584a 100644 --- a/sys/fs/cuse/cuse.c +++ b/sys/fs/cuse/cuse.c @@ -195,12 +195,14 @@ static const struct filterops cuse_client_kqfilter_read_ops = { .f_isfd = 1, .f_detach = cuse_client_kqfilter_read_detach, .f_event = cuse_client_kqfilter_read_event, + .f_copy = knote_triv_copy, }; static const struct filterops cuse_client_kqfilter_write_ops = { .f_isfd = 1, .f_detach = cuse_client_kqfilter_write_detach, .f_event = cuse_client_kqfilter_write_event, + .f_copy = knote_triv_copy, }; static d_open_t cuse_client_open; diff --git a/sys/fs/fuse/fuse_device.c b/sys/fs/fuse/fuse_device.c index 57b3559731f7..75bc0357571f 100644 --- a/sys/fs/fuse/fuse_device.c +++ b/sys/fs/fuse/fuse_device.c @@ -126,11 +126,13 @@ static const struct filterops fuse_device_rfiltops = { .f_isfd = 1, .f_detach = fuse_device_filt_detach, .f_event = fuse_device_filt_read, + .f_copy = knote_triv_copy, }; static const struct filterops fuse_device_wfiltops = { .f_isfd = 1, .f_event = fuse_device_filt_write, + .f_copy = knote_triv_copy, }; /**************************** diff --git a/sys/geom/geom_dev.c b/sys/geom/geom_dev.c index 27c65f15d5e3..db0bc77a752f 100644 --- a/sys/geom/geom_dev.c +++ b/sys/geom/geom_dev.c @@ -82,6 +82,7 @@ static const struct filterops gdev_filterops_vnode = { .f_isfd = 1, .f_detach = gdev_filter_detach, .f_event = gdev_filter_vnode, + .f_copy = knote_triv_copy, }; static struct cdevsw g_dev_cdevsw = { diff --git a/sys/kern/kern_devctl.c b/sys/kern/kern_devctl.c index a1696225df32..a37cb23efed8 100644 --- a/sys/kern/kern_devctl.c +++ b/sys/kern/kern_devctl.c @@ -130,6 +130,7 @@ static const struct filterops devctl_rfiltops = { .f_isfd = 1, .f_detach = filt_devctl_detach, .f_event = filt_devctl_read, + .f_copy = knote_triv_copy, }; static struct cdev *devctl_dev; diff --git a/sys/kern/kern_event.c b/sys/kern/kern_event.c index 4fd495fa1ec8..1baa24d278bf 100644 --- a/sys/kern/kern_event.c +++ b/sys/kern/kern_event.c @@ -191,11 +191,13 @@ static void filt_usertouch(struct knote *kn, struct kevent *kev, static const struct filterops file_filtops = { .f_isfd = 1, .f_attach = filt_fileattach, + .f_copy = knote_triv_copy, }; static const struct filterops kqread_filtops = { .f_isfd = 1, .f_detach = filt_kqdetach, .f_event = filt_kqueue, + .f_copy = knote_triv_copy, }; /* XXX - move to kern_proc.c? */ static const struct filterops proc_filtops = { @@ -203,12 +205,14 @@ static const struct filterops proc_filtops = { .f_attach = filt_procattach, .f_detach = filt_procdetach, .f_event = filt_proc, + .f_copy = knote_triv_copy, }; static const struct filterops jail_filtops = { .f_isfd = 0, .f_attach = filt_jailattach, .f_detach = filt_jaildetach, .f_event = filt_jail, + .f_copy = knote_triv_copy, }; static const struct filterops timer_filtops = { .f_isfd = 0, @@ -223,6 +227,7 @@ static const struct filterops user_filtops = { .f_detach = filt_userdetach, .f_event = filt_user, .f_touch = filt_usertouch, + .f_copy = knote_triv_copy, }; static uma_zone_t knote_zone; @@ -352,6 +357,7 @@ filt_nullattach(struct knote *kn) static const struct filterops null_filtops = { .f_isfd = 0, .f_attach = filt_nullattach, + .f_copy = knote_triv_copy, }; /* XXX - make SYSINIT to add these, and move into respective modules. */ @@ -3132,6 +3138,12 @@ kqueue_fork(struct filedesc *fdp, struct file *fp, struct file **fp1, return (kqueue_fork_copy(fdp, fp, *fp1, p1, td)); } +int +knote_triv_copy(struct knote *kn __unused, struct proc *p1 __unused) +{ + return (0); +} + struct knote_status_export_bit { int kn_status_bit; int knt_status_bit; diff --git a/sys/kern/kern_jaildesc.c b/sys/kern/kern_jaildesc.c index 3f322b271400..a564393d3366 100644 --- a/sys/kern/kern_jaildesc.c +++ b/sys/kern/kern_jaildesc.c @@ -344,6 +344,7 @@ static const struct filterops jaildesc_kqops = { .f_isfd = 1, .f_detach = jaildesc_kqops_detach, .f_event = jaildesc_kqops_event, + .f_copy = knote_triv_copy, }; static int diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c index 21f765b17f62..a55f3c761449 100644 --- a/sys/kern/kern_sig.c +++ b/sys/kern/kern_sig.c @@ -124,6 +124,7 @@ const struct filterops sig_filtops = { .f_attach = filt_sigattach, .f_detach = filt_sigdetach, .f_event = filt_signal, + .f_copy = knote_triv_copy, }; static int kern_forcesigexit = 1; diff --git a/sys/kern/subr_log.c b/sys/kern/subr_log.c index 5380902e602f..aac35a56130e 100644 --- a/sys/kern/subr_log.c +++ b/sys/kern/subr_log.c @@ -79,6 +79,7 @@ static const struct filterops log_read_filterops = { .f_attach = NULL, .f_detach = logkqdetach, .f_event = logkqread, + .f_copy = knote_triv_copy, }; static struct logsoftc { diff --git a/sys/kern/sys_eventfd.c b/sys/kern/sys_eventfd.c index c2a0f67cae85..04ed107c933d 100644 --- a/sys/kern/sys_eventfd.c +++ b/sys/kern/sys_eventfd.c @@ -85,13 +85,16 @@ static int filt_eventfdwrite(struct knote *kn, long hint); static const struct filterops eventfd_rfiltops = { .f_isfd = 1, .f_detach = filt_eventfddetach, - .f_event = filt_eventfdread + .f_event = filt_eventfdread, + .f_copy = knote_triv_copy, }; + static const struct filterops eventfd_wfiltops = { .f_isfd = 1, .f_detach = filt_eventfddetach, - .f_event = filt_eventfdwrite + .f_event = filt_eventfdwrite, + .f_copy = knote_triv_copy, }; struct eventfd { diff --git a/sys/kern/sys_pipe.c b/sys/kern/sys_pipe.c index 57ebe8dc85f0..6531cea31423 100644 --- a/sys/kern/sys_pipe.c +++ b/sys/kern/sys_pipe.c @@ -181,20 +181,23 @@ static int filt_pipedump(struct proc *p, struct knote *kn, static const struct filterops pipe_nfiltops = { .f_isfd = 1, .f_detach = filt_pipedetach_notsup, - .f_event = filt_pipenotsup + .f_event = filt_pipenotsup, /* no userdump */ + .f_copy = knote_triv_copy, }; static const struct filterops pipe_rfiltops = { .f_isfd = 1, .f_detach = filt_pipedetach, .f_event = filt_piperead, .f_userdump = filt_pipedump, + .f_copy = knote_triv_copy, }; static const struct filterops pipe_wfiltops = { .f_isfd = 1, .f_detach = filt_pipedetach, .f_event = filt_pipewrite, .f_userdump = filt_pipedump, + .f_copy = knote_triv_copy, }; /* diff --git a/sys/kern/sys_procdesc.c b/sys/kern/sys_procdesc.c index acaf1241cb2e..c5db21544b0f 100644 --- a/sys/kern/sys_procdesc.c +++ b/sys/kern/sys_procdesc.c @@ -486,6 +486,7 @@ static const struct filterops procdesc_kqops = { .f_isfd = 1, .f_detach = procdesc_kqops_detach, .f_event = procdesc_kqops_event, + .f_copy = knote_triv_copy, }; static int diff --git a/sys/kern/tty.c b/sys/kern/tty.c index c8e2c561b7cf..067471eb949a 100644 --- a/sys/kern/tty.c +++ b/sys/kern/tty.c @@ -754,12 +754,14 @@ static const struct filterops tty_kqops_read = { .f_isfd = 1, .f_detach = tty_kqops_read_detach, .f_event = tty_kqops_read_event, + .f_copy = knote_triv_copy, }; static const struct filterops tty_kqops_write = { .f_isfd = 1, .f_detach = tty_kqops_write_detach, .f_event = tty_kqops_write_event, + .f_copy = knote_triv_copy, }; static int diff --git a/sys/kern/tty_pts.c b/sys/kern/tty_pts.c index 1291770a9ccb..2672935c2d89 100644 --- a/sys/kern/tty_pts.c +++ b/sys/kern/tty_pts.c @@ -491,11 +491,13 @@ static const struct filterops pts_kqops_read = { .f_isfd = 1, .f_detach = pts_kqops_read_detach, .f_event = pts_kqops_read_event, + .f_copy = knote_triv_copy, }; static const struct filterops pts_kqops_write = { .f_isfd = 1, .f_detach = pts_kqops_write_detach, .f_event = pts_kqops_write_event, + .f_copy = knote_triv_copy, }; static int diff --git a/sys/kern/uipc_mqueue.c b/sys/kern/uipc_mqueue.c index a8aec397b352..4c1bb1ff228e 100644 --- a/sys/kern/uipc_mqueue.c +++ b/sys/kern/uipc_mqueue.c @@ -281,11 +281,13 @@ static const struct filterops mq_rfiltops = { .f_isfd = 1, .f_detach = filt_mqdetach, .f_event = filt_mqread, + .f_copy = knote_triv_copy, }; static const struct filterops mq_wfiltops = { .f_isfd = 1, .f_detach = filt_mqdetach, .f_event = filt_mqwrite, + .f_copy = knote_triv_copy, }; /* diff --git a/sys/kern/uipc_socket.c b/sys/kern/uipc_socket.c index fe2d8d056062..eb9544628137 100644 --- a/sys/kern/uipc_socket.c +++ b/sys/kern/uipc_socket.c @@ -191,16 +191,19 @@ static const struct filterops soread_filtops = { .f_isfd = 1, .f_detach = filt_sordetach, .f_event = filt_soread, + .f_copy = knote_triv_copy, }; static const struct filterops sowrite_filtops = { .f_isfd = 1, .f_detach = filt_sowdetach, .f_event = filt_sowrite, + .f_copy = knote_triv_copy, }; static const struct filterops soempty_filtops = { .f_isfd = 1, .f_detach = filt_sowdetach, .f_event = filt_soempty, + .f_copy = knote_triv_copy, }; so_gen_t so_gencnt; /* generation count for sockets */ diff --git a/sys/kern/uipc_usrreq.c b/sys/kern/uipc_usrreq.c index 90489e99491a..807271488af2 100644 --- a/sys/kern/uipc_usrreq.c +++ b/sys/kern/uipc_usrreq.c @@ -1855,11 +1855,13 @@ static const struct filterops uipc_write_filtops = { .f_isfd = 1, .f_detach = uipc_filt_sowdetach, .f_event = uipc_filt_sowrite, + .f_copy = knote_triv_copy, }; static const struct filterops uipc_empty_filtops = { .f_isfd = 1, .f_detach = uipc_filt_sowdetach, .f_event = uipc_filt_soempty, + .f_copy = knote_triv_copy, }; static int diff --git a/sys/kern/vfs_aio.c b/sys/kern/vfs_aio.c index e63fa4c01434..60916a9fbd32 100644 --- a/sys/kern/vfs_aio.c +++ b/sys/kern/vfs_aio.c @@ -345,12 +345,14 @@ static const struct filterops aio_filtops = { .f_attach = filt_aioattach, .f_detach = filt_aiodetach, .f_event = filt_aio, + .f_copy = knote_triv_copy, }; static const struct filterops lio_filtops = { .f_isfd = 0, .f_attach = filt_lioattach, .f_detach = filt_liodetach, - .f_event = filt_lio + .f_event = filt_lio, + .f_copy = knote_triv_copy, }; static eventhandler_tag exit_tag, exec_tag; diff --git a/sys/kern/vfs_inotify.c b/sys/kern/vfs_inotify.c index b265a5ff3a62..e60d8426ee42 100644 --- a/sys/kern/vfs_inotify.c +++ b/sys/kern/vfs_inotify.c @@ -111,6 +111,7 @@ static const struct filterops inotify_rfiltops = { .f_isfd = 1, .f_detach = filt_inotifydetach, .f_event = filt_inotifyevent, + .f_copy = knote_triv_copy, }; static MALLOC_DEFINE(M_INOTIFY, "inotify", "inotify data structures"); diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index c458a43d0c9f..58975f7ac932 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -6545,6 +6545,7 @@ const struct filterops fs_filtops = { .f_attach = filt_fsattach, .f_detach = filt_fsdetach, .f_event = filt_fsevent, + .f_copy = knote_triv_copy, }; static int diff --git a/sys/net/bpf.c b/sys/net/bpf.c index a347dbe2eb73..f598733773d0 100644 --- a/sys/net/bpf.c +++ b/sys/net/bpf.c @@ -253,12 +253,14 @@ static const struct filterops bpfread_filtops = { .f_isfd = 1, .f_detach = filt_bpfdetach, .f_event = filt_bpfread, + .f_copy = knote_triv_copy, }; static const struct filterops bpfwrite_filtops = { .f_isfd = 1, .f_detach = filt_bpfdetach, .f_event = filt_bpfwrite, + .f_copy = knote_triv_copy, }; /* diff --git a/sys/net/if_tuntap.c b/sys/net/if_tuntap.c index c8dbb6aa8893..56bb90cce9bc 100644 --- a/sys/net/if_tuntap.c +++ b/sys/net/if_tuntap.c @@ -261,6 +261,7 @@ static const struct filterops tun_read_filterops = { .f_attach = NULL, .f_detach = tunkqdetach, .f_event = tunkqread, + .f_copy = knote_triv_copy, }; static const struct filterops tun_write_filterops = { @@ -268,6 +269,7 @@ static const struct filterops tun_write_filterops = { .f_attach = NULL, .f_detach = tunkqdetach, .f_event = tunkqwrite, + .f_copy = knote_triv_copy, }; static struct tuntap_driver { diff --git a/sys/security/audit/audit_pipe.c b/sys/security/audit/audit_pipe.c index fb773fd04297..4d9815467e1a 100644 --- a/sys/security/audit/audit_pipe.c +++ b/sys/security/audit/audit_pipe.c @@ -243,6 +243,7 @@ static const struct filterops audit_pipe_read_filterops = { .f_attach = NULL, .f_detach = audit_pipe_kqdetach, .f_event = audit_pipe_kqread, + .f_copy = knote_triv_copy, }; /* diff --git a/sys/sys/event.h b/sys/sys/event.h index 6e71445f03b0..ebbcdb703183 100644 --- a/sys/sys/event.h +++ b/sys/sys/event.h @@ -348,6 +348,7 @@ struct rwlock; void knote(struct knlist *list, long hint, int lockflags); void knote_fork(struct knlist *list, int pid); +int knote_triv_copy(struct knote *kn, struct proc *p1); struct knlist *knlist_alloc(struct mtx *lock); void knlist_detach(struct knlist *knl); void knlist_add(struct knlist *knl, struct knote *kn, int islocked); diff --git a/sys/x86/acpica/acpi_apm.c b/sys/x86/acpica/acpi_apm.c index 8e5785cf0ed6..919f76949dd4 100644 --- a/sys/x86/acpica/acpi_apm.c +++ b/sys/x86/acpica/acpi_apm.c @@ -64,6 +64,7 @@ static const struct filterops apm_readfiltops = { .f_isfd = 1, .f_detach = apmreadfiltdetach, .f_event = apmreadfilt, + .f_copy = knote_triv_copy, }; static struct cdevsw apm_cdevsw = { |