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_DISPQ_H 28 #define _FMD_DISPQ_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/types.h> 33 #include <pthread.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 #include <fmd_module.h> 40 #include <fmd_event.h> 41 42 typedef struct fmd_dispqlist { 43 struct fmd_dispqlist *dq_next; /* link to next subscription object */ 44 fmd_module_t *dq_mod; /* pointer to subscribing module */ 45 } fmd_dispqlist_t; 46 47 typedef struct fmd_dispqelem { 48 char *dq_name; /* name associated with this element */ 49 struct fmd_dispqelem *dq_link; /* link to next element in hash chain */ 50 struct fmd_dispqelem **dq_hash; /* hash bucket array for lower levels */ 51 uint_t dq_hashlen; /* length of dq_hash bucket array */ 52 fmd_dispqlist_t *dq_list; /* head of list of subscribers */ 53 uint_t dq_refs; /* ref count of hash and list elems */ 54 } fmd_dispqelem_t; 55 56 typedef struct fmd_dispq { 57 pthread_rwlock_t dq_lock; /* lock for event dispatch queue */ 58 fmd_dispqelem_t *dq_root; /* root hash table pointer */ 59 } fmd_dispq_t; 60 61 extern fmd_dispq_t *fmd_dispq_create(void); 62 extern void fmd_dispq_destroy(fmd_dispq_t *); 63 64 extern void fmd_dispq_insert(fmd_dispq_t *, fmd_module_t *, const char *); 65 extern void fmd_dispq_delete(fmd_dispq_t *, fmd_module_t *, const char *); 66 extern void fmd_dispq_dispatch(fmd_dispq_t *, fmd_event_t *, const char *); 67 68 #ifdef __cplusplus 69 } 70 #endif 71 72 #endif /* _FMD_DISPQ_H */ 73