1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2011 NetApp, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _MEVENT_H_ 30 #define _MEVENT_H_ 31 32 enum ev_type { 33 EVF_READ, 34 EVF_WRITE, 35 EVF_TIMER, 36 EVF_SIGNAL, 37 EVF_VNODE, 38 }; 39 40 /* Filter flags for EVF_VNODE */ 41 #define EVFF_ATTRIB 0x0001 42 43 struct mevent; 44 45 struct mevent *mevent_add(int fd, enum ev_type type, 46 void (*func)(int, enum ev_type, void *), 47 void *param); 48 struct mevent *mevent_add_flags(int fd, enum ev_type type, int fflags, 49 void (*func)(int, enum ev_type, void *), 50 void *param); 51 struct mevent *mevent_add_disabled(int fd, enum ev_type type, 52 void (*func)(int, enum ev_type, void *), 53 void *param); 54 int mevent_enable(struct mevent *evp); 55 int mevent_disable(struct mevent *evp); 56 int mevent_delete(struct mevent *evp); 57 int mevent_delete_close(struct mevent *evp); 58 int mevent_timer_update(struct mevent *evp, int msecs); 59 60 void mevent_dispatch(void); 61 62 #endif /* _MEVENT_H_ */ 63