| EVENTHANDLER.9 (0bfd163f522701b486e066fa2e56624c02f5081a) | EVENTHANDLER.9 (ad6c0150c0408a878e09c50e01995f20ec0c5e85) |
|---|---|
| 1.\" Copyright (c) 2004 Joseph Koshy 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 9 unchanged lines hidden (view full) --- 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" $FreeBSD$ 25.\" | 1.\" Copyright (c) 2004 Joseph Koshy 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 9 unchanged lines hidden (view full) --- 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" $FreeBSD$ 25.\" |
| 26.Dd August 1, 2013 | 26.Dd April 19, 2014 |
| 27.Dt EVENTHANDLER 9 28.Os 29.Sh NAME 30.Nm EVENTHANDLER 31.Nd kernel event handling functions 32.Sh SYNOPSIS 33.In sys/eventhandler.h 34.Fn EVENTHANDLER_DECLARE name type --- 146 unchanged lines hidden (view full) --- 181.El 182.Ss Kernel Event Handlers 183The following event handlers are present in the kernel: 184.Bl -tag -width indent 185.It Vt acpi_sleep_event 186Callbacks invoked when the system is being sent to sleep. 187.It Vt acpi_wakeup_event 188Callbacks invoked when the system is being woken up. | 27.Dt EVENTHANDLER 9 28.Os 29.Sh NAME 30.Nm EVENTHANDLER 31.Nd kernel event handling functions 32.Sh SYNOPSIS 33.In sys/eventhandler.h 34.Fn EVENTHANDLER_DECLARE name type --- 146 unchanged lines hidden (view full) --- 181.El 182.Ss Kernel Event Handlers 183The following event handlers are present in the kernel: 184.Bl -tag -width indent 185.It Vt acpi_sleep_event 186Callbacks invoked when the system is being sent to sleep. 187.It Vt acpi_wakeup_event 188Callbacks invoked when the system is being woken up. |
| 189.It Vt app_coredump_start 190Callbacks invoked at start of application core dump. 191.It Vt app_coredump_progress 192Callbacks invoked during progress of application core dump. 193.It Vt app_coredump_finish 194Callbacks invoked at finish of application core dump. 195.It Vt app_coredump_error 196Callbacks invoked on error of application core dump. 197.It Vt bpf_track 198Callbacks invoked when a BPF listener attaches to/detaches from network interface. 199.It Vt cpufreq_levels_changed 200Callback invoked when cpu frequence levels have changed. 201.It Vt cpufreq_post_change 202Callback invoked after cpu frequence has changed. 203.It Vt cpufreq_pre_change 204Callback invoked before cpu frequence has changed 205.It Vt dcons_poll 206Callback invoked to poll for dcons changes. |
|
| 189.It Vt dev_clone 190Callbacks invoked when a new entry is created under 191.Pa /dev . | 207.It Vt dev_clone 208Callbacks invoked when a new entry is created under 209.Pa /dev . |
| 210.It Vt group_attach_event 211Callback invoked when an interfance has been added to an interface group. 212.It Vt group_change_event 213Callback invoked when an change has been made to an interface group. 214.It Vt group_detach_event 215Callback invoked when an interfance has been removed from an interface group. |
|
| 192.It Vt ifaddr_event 193Callbacks invoked when an address is set up on a network interface. 194.It Vt if_clone_event 195Callbacks invoked when an interface is cloned. | 216.It Vt ifaddr_event 217Callbacks invoked when an address is set up on a network interface. 218.It Vt if_clone_event 219Callbacks invoked when an interface is cloned. |
| 220.It Vt iflladdr_event 221Callback invoked when an if link layer address event has happened. |
|
| 196.It Vt ifnet_arrival_event 197Callbacks invoked when a new network interface appears. 198.It Vt ifnet_departure_event 199Callbacks invoked when a network interface is taken down. | 222.It Vt ifnet_arrival_event 223Callbacks invoked when a new network interface appears. 224.It Vt ifnet_departure_event 225Callbacks invoked when a network interface is taken down. |
| 200.It Vt bpf_track 201Callbacks invoked when a BPF listener attaches to/detaches from network interface. | 226.It Vt ifnet_link_event 227Callback invoked when an interfance link event has happened. |
| 202.It Vt kld_load 203Callbacks invoked after a linker file has been loaded. 204.It Vt kld_unload 205Callbacks invoked after a linker file has been successfully unloaded. 206.It Vt kld_unload_try 207Callbacks invoked before a linker file is about to be unloaded. 208These callbacks may be used to return an error and prevent the unload from 209proceeding. | 228.It Vt kld_load 229Callbacks invoked after a linker file has been loaded. 230.It Vt kld_unload 231Callbacks invoked after a linker file has been successfully unloaded. 232.It Vt kld_unload_try 233Callbacks invoked before a linker file is about to be unloaded. 234These callbacks may be used to return an error and prevent the unload from 235proceeding. |
| 236.It Vt lle_event 237Callback invoked when an link layer event has happened. 238.It Vt nmbclusters_change 239Callback invoked when the number of mbuf clusters has changed. 240.It Vt nmbufs_change 241Callback invoked when the number of mbufs has changed. 242.It Vt maxsockets_change 243Callback invoked when the maximum number of sockets has changed. 244.It Vt mountroot 245Callback invoked when root has been mounted. |
|
| 210.It Vt power_profile_change 211Callbacks invoked when the power profile of the system changes. | 246.It Vt power_profile_change 247Callbacks invoked when the power profile of the system changes. |
| 248.It Vt power_resume 249Callback invoked when the system has resumed. 250.It Vt power_suspend 251Callback invoked just before the system is suspended. 252.It Vt process_ctor 253Callback invoked when a process is created. 254.It Vt process_dtor 255Callback invoked when a process is destroyed. |
|
| 212.It Vt process_exec 213Callbacks invoked when a process performs an 214.Fn exec 215operation. 216.It Vt process_exit 217Callbacks invoked when a process exits. | 256.It Vt process_exec 257Callbacks invoked when a process performs an 258.Fn exec 259operation. 260.It Vt process_exit 261Callbacks invoked when a process exits. |
| 262.It Vt process_fini 263Callback invoked when a process memory is destroyed. 264This is never called. |
|
| 218.It Vt process_fork 219Callbacks invoked when a process forks a child. | 265.It Vt process_fork 266Callbacks invoked when a process forks a child. |
| 267.It Vt process_init 268Callback invoked when a process is initalized. 269.It Vt random_adaptor_attach 270Callback invoked when a new random module has been loaded. 271.It Vt register_framebuffer 272Callback invoked when a new frame buffer is registered. 273.It Vt route_redirect_event 274Callback invoked when a route gets redirected to a new location. |
|
| 220.It Vt shutdown_pre_sync 221Callbacks invoked at shutdown time, before file systems are synchronized. 222.It Vt shutdown_post_sync 223Callbacks invoked at shutdown time, after all file systems are synchronized. 224.It Vt shutdown_final 225Callbacks invoked just before halting the system. | 275.It Vt shutdown_pre_sync 276Callbacks invoked at shutdown time, before file systems are synchronized. 277.It Vt shutdown_post_sync 278Callbacks invoked at shutdown time, after all file systems are synchronized. 279.It Vt shutdown_final 280Callbacks invoked just before halting the system. |
| 281.It Vt tcp_offload_listen_start 282Callback invoked for TCP Offload to start listening for new connections. 283.It Vt tcp_offload_listen_stop 284Callback invoked ror TCP Offload to stop listening for new connections. 285.It Vt thread_ctor 286Callback invoked when a thread object is created. 287.It Vt thread_dtor 288Callback invoked when a thread object is destroyed. 289.It Vt thread_init 290Callback invoked when a thread object is initalized. 291.It Vt thread_fini 292Callback invoked when a thread object is deinitalized. 293.It Vt usb_dev_configured 294Callback invoked when a USB device is configured 295.It Vt unregister_framebuffer 296Callback invoked when a frame buffer is deregistered. 297.It Vt vfs_mounted 298Callback invoked when a file system is mounted. 299.It Vt vfs_unmounted 300Callback invoked when a file system is unmounted. 301.It Vt vlan_config 302Callback invoked when the vlan configuration has changed. 303.It Vt vlan_unconfig 304Callback invoked when a vlan is destroyed. |
|
| 226.It Vt vm_lowmem 227Callbacks invoked when virtual memory is low. 228.It Vt watchdog_list 229Callbacks invoked when the system watchdog timer is reinitialized. 230.El 231.Sh RETURN VALUES 232The macro 233.Fn EVENTHANDLER_REGISTER --- 25 unchanged lines hidden --- | 305.It Vt vm_lowmem 306Callbacks invoked when virtual memory is low. 307.It Vt watchdog_list 308Callbacks invoked when the system watchdog timer is reinitialized. 309.El 310.Sh RETURN VALUES 311The macro 312.Fn EVENTHANDLER_REGISTER --- 25 unchanged lines hidden --- |