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share/man/man9/EVENTHANDLER.9
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| .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||||
| .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||||
| .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||||
| .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||||
| .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||||
| .\" SUCH DAMAGE. | .\" SUCH DAMAGE. | ||||
| .\" $FreeBSD$ | .\" $FreeBSD$ | ||||
| .\" | .\" | ||||
| .Dd October 21, 2018 | .Dd October XXX | ||||
| .Dt EVENTHANDLER 9 | .Dt EVENTHANDLER 9 | ||||
| .Os | .Os | ||||
| .Sh NAME | .Sh NAME | ||||
| .Nm EVENTHANDLER | .Nm EVENTHANDLER | ||||
| .Nd kernel event handling functions | .Nd kernel event handling functions | ||||
| .Sh SYNOPSIS | .Sh SYNOPSIS | ||||
| .In sys/eventhandler.h | .In sys/eventhandler.h | ||||
| .Fn EVENTHANDLER_DECLARE name type | .Fn EVENTHANDLER_DECLARE name type | ||||
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| .It Vt vfs_unmounted | .It Vt vfs_unmounted | ||||
| Callback invoked when a file system is unmounted. | Callback invoked when a file system is unmounted. | ||||
| .It Vt vlan_config | .It Vt vlan_config | ||||
| Callback invoked when the vlan configuration has changed. | Callback invoked when the vlan configuration has changed. | ||||
| .It Vt vlan_unconfig | .It Vt vlan_unconfig | ||||
| Callback invoked when a vlan is destroyed. | Callback invoked when a vlan is destroyed. | ||||
| .It Vt vm_lowmem | .It Vt vm_lowmem | ||||
| Callbacks invoked when virtual memory is low. | Callbacks invoked when virtual memory is low. | ||||
| .It Vt vxlan_start | |||||
| Callback invoked when a vxlan interface starts. | |||||
| .It Vt vxlan_stop | |||||
| Callback invoked when a vxlan interface stops. | |||||
| .It Vt watchdog_list | .It Vt watchdog_list | ||||
| Callbacks invoked when the system watchdog timer is reinitialized. | Callbacks invoked when the system watchdog timer is reinitialized. | ||||
| .El | .El | ||||
| .Sh RETURN VALUES | .Sh RETURN VALUES | ||||
| The macro | The macro | ||||
| .Fn EVENTHANDLER_REGISTER | .Fn EVENTHANDLER_REGISTER | ||||
| and function | and function | ||||
| .Fn eventhandler_register | .Fn eventhandler_register | ||||
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