1*5c4a5fe1SAndy Fiddaman /*- 2*5c4a5fe1SAndy Fiddaman * SPDX-License-Identifier: BSD-2-Clause 3*5c4a5fe1SAndy Fiddaman * 4*5c4a5fe1SAndy Fiddaman * Copyright (c) 2011 NetApp, Inc. 5*5c4a5fe1SAndy Fiddaman * All rights reserved. 6*5c4a5fe1SAndy Fiddaman * 7*5c4a5fe1SAndy Fiddaman * Redistribution and use in source and binary forms, with or without 8*5c4a5fe1SAndy Fiddaman * modification, are permitted provided that the following conditions 9*5c4a5fe1SAndy Fiddaman * are met: 10*5c4a5fe1SAndy Fiddaman * 1. Redistributions of source code must retain the above copyright 11*5c4a5fe1SAndy Fiddaman * notice, this list of conditions and the following disclaimer. 12*5c4a5fe1SAndy Fiddaman * 2. Redistributions in binary form must reproduce the above copyright 13*5c4a5fe1SAndy Fiddaman * notice, this list of conditions and the following disclaimer in the 14*5c4a5fe1SAndy Fiddaman * documentation and/or other materials provided with the distribution. 15*5c4a5fe1SAndy Fiddaman * 16*5c4a5fe1SAndy Fiddaman * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 17*5c4a5fe1SAndy Fiddaman * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18*5c4a5fe1SAndy Fiddaman * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19*5c4a5fe1SAndy Fiddaman * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 20*5c4a5fe1SAndy Fiddaman * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21*5c4a5fe1SAndy Fiddaman * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22*5c4a5fe1SAndy Fiddaman * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23*5c4a5fe1SAndy Fiddaman * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24*5c4a5fe1SAndy Fiddaman * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25*5c4a5fe1SAndy Fiddaman * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26*5c4a5fe1SAndy Fiddaman * SUCH DAMAGE. 27*5c4a5fe1SAndy Fiddaman */ 28*5c4a5fe1SAndy Fiddaman 29*5c4a5fe1SAndy Fiddaman #ifndef _MEVENT_H_ 30*5c4a5fe1SAndy Fiddaman #define _MEVENT_H_ 31*5c4a5fe1SAndy Fiddaman 32*5c4a5fe1SAndy Fiddaman enum ev_type { 33*5c4a5fe1SAndy Fiddaman EVF_READ, 34*5c4a5fe1SAndy Fiddaman EVF_WRITE, 35*5c4a5fe1SAndy Fiddaman EVF_TIMER, 36*5c4a5fe1SAndy Fiddaman EVF_SIGNAL, 37*5c4a5fe1SAndy Fiddaman EVF_VNODE, 38*5c4a5fe1SAndy Fiddaman }; 39*5c4a5fe1SAndy Fiddaman 40*5c4a5fe1SAndy Fiddaman /* Filter flags for EVF_VNODE */ 41*5c4a5fe1SAndy Fiddaman #define EVFF_ATTRIB 0x0001 42*5c4a5fe1SAndy Fiddaman 43*5c4a5fe1SAndy Fiddaman struct mevent; 44*5c4a5fe1SAndy Fiddaman 45*5c4a5fe1SAndy Fiddaman struct mevent *mevent_add(int fd, enum ev_type type, 46*5c4a5fe1SAndy Fiddaman void (*func)(int, enum ev_type, void *), 47*5c4a5fe1SAndy Fiddaman void *param); 48*5c4a5fe1SAndy Fiddaman struct mevent *mevent_add_flags(int fd, enum ev_type type, int fflags, 49*5c4a5fe1SAndy Fiddaman void (*func)(int, enum ev_type, void *), 50*5c4a5fe1SAndy Fiddaman void *param); 51*5c4a5fe1SAndy Fiddaman struct mevent *mevent_add_disabled(int fd, enum ev_type type, 52*5c4a5fe1SAndy Fiddaman void (*func)(int, enum ev_type, void *), 53*5c4a5fe1SAndy Fiddaman void *param); 54*5c4a5fe1SAndy Fiddaman int mevent_enable(struct mevent *evp); 55*5c4a5fe1SAndy Fiddaman int mevent_disable(struct mevent *evp); 56*5c4a5fe1SAndy Fiddaman int mevent_delete(struct mevent *evp); 57*5c4a5fe1SAndy Fiddaman int mevent_delete_close(struct mevent *evp); 58*5c4a5fe1SAndy Fiddaman 59*5c4a5fe1SAndy Fiddaman void mevent_dispatch(void); 60*5c4a5fe1SAndy Fiddaman 61*5c4a5fe1SAndy Fiddaman #endif /* _MEVENT_H_ */ 62