1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _FMD_CTL_H 28 #define _FMD_CTL_H 29 30 #include <sys/types.h> 31 #include <libnvpair.h> 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 typedef void fmd_ctl_f(nvlist_t *); 38 39 typedef struct fmd_ctl_desc { 40 const char *cde_class; /* protocol event class */ 41 uint_t cde_vers; /* protocol event version */ 42 fmd_ctl_f *cde_func; /* callback function */ 43 } fmd_ctl_desc_t; 44 45 typedef struct fmd_ctl { 46 pthread_mutex_t ctl_lock; /* lock for ctl_exec and ctl_cv */ 47 pthread_cond_t ctl_cv; /* condition variable for ctl_exec */ 48 fmd_ctl_f *ctl_func; /* type-specific callback function */ 49 nvlist_t *ctl_nvl; /* name-value pair list from event */ 50 uint_t ctl_refs; /* reference count for barrier */ 51 } fmd_ctl_t; 52 53 extern fmd_ctl_t *fmd_ctl_init(nvlist_t *); 54 extern void fmd_ctl_fini(fmd_ctl_t *); 55 extern void fmd_ctl_hold(fmd_ctl_t *); 56 extern void fmd_ctl_rele(fmd_ctl_t *); 57 58 #ifdef __cplusplus 59 } 60 #endif 61 62 #endif /* _FMD_CTL_H */ 63