17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 22*d9638e54Smws 237c478bd9Sstevel@tonic-gate /* 24*d9638e54Smws * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 257c478bd9Sstevel@tonic-gate * Use is subject to license terms. 267c478bd9Sstevel@tonic-gate */ 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate #ifndef _FMD_DISPQ_H 297c478bd9Sstevel@tonic-gate #define _FMD_DISPQ_H 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate #include <sys/types.h> 327c478bd9Sstevel@tonic-gate #include <pthread.h> 337c478bd9Sstevel@tonic-gate 347c478bd9Sstevel@tonic-gate #ifdef __cplusplus 357c478bd9Sstevel@tonic-gate extern "C" { 367c478bd9Sstevel@tonic-gate #endif 377c478bd9Sstevel@tonic-gate 38*d9638e54Smws #include <fmd_idspace.h> 39*d9638e54Smws #include <fmd_eventq.h> 407c478bd9Sstevel@tonic-gate 417c478bd9Sstevel@tonic-gate typedef struct fmd_dispqlist { 427c478bd9Sstevel@tonic-gate struct fmd_dispqlist *dq_next; /* link to next subscription object */ 43*d9638e54Smws fmd_eventq_t *dq_eventq; /* pointer to subscribing eventq */ 447c478bd9Sstevel@tonic-gate } fmd_dispqlist_t; 457c478bd9Sstevel@tonic-gate 467c478bd9Sstevel@tonic-gate typedef struct fmd_dispqelem { 477c478bd9Sstevel@tonic-gate char *dq_name; /* name associated with this element */ 487c478bd9Sstevel@tonic-gate struct fmd_dispqelem *dq_link; /* link to next element in hash chain */ 497c478bd9Sstevel@tonic-gate struct fmd_dispqelem **dq_hash; /* hash bucket array for lower levels */ 507c478bd9Sstevel@tonic-gate uint_t dq_hashlen; /* length of dq_hash bucket array */ 517c478bd9Sstevel@tonic-gate fmd_dispqlist_t *dq_list; /* head of list of subscribers */ 527c478bd9Sstevel@tonic-gate uint_t dq_refs; /* ref count of hash and list elems */ 537c478bd9Sstevel@tonic-gate } fmd_dispqelem_t; 547c478bd9Sstevel@tonic-gate 557c478bd9Sstevel@tonic-gate typedef struct fmd_dispq { 567c478bd9Sstevel@tonic-gate pthread_rwlock_t dq_lock; /* lock for event dispatch queue */ 577c478bd9Sstevel@tonic-gate fmd_dispqelem_t *dq_root; /* root hash table pointer */ 58*d9638e54Smws fmd_idspace_t *dq_gids; /* id hash for subscriber group ids */ 59*d9638e54Smws id_t dq_gmax; /* maximum group id allocated */ 607c478bd9Sstevel@tonic-gate } fmd_dispq_t; 617c478bd9Sstevel@tonic-gate 627c478bd9Sstevel@tonic-gate extern fmd_dispq_t *fmd_dispq_create(void); 637c478bd9Sstevel@tonic-gate extern void fmd_dispq_destroy(fmd_dispq_t *); 647c478bd9Sstevel@tonic-gate 65*d9638e54Smws extern void fmd_dispq_insert(fmd_dispq_t *, fmd_eventq_t *, const char *); 66*d9638e54Smws extern void fmd_dispq_delete(fmd_dispq_t *, fmd_eventq_t *, const char *); 677c478bd9Sstevel@tonic-gate extern void fmd_dispq_dispatch(fmd_dispq_t *, fmd_event_t *, const char *); 68*d9638e54Smws extern void fmd_dispq_dispatch_gid(fmd_dispq_t *, fmd_event_t *, 69*d9638e54Smws const char *, id_t); 70*d9638e54Smws 71*d9638e54Smws extern id_t fmd_dispq_getgid(fmd_dispq_t *, void *); 72*d9638e54Smws extern void fmd_dispq_delgid(fmd_dispq_t *, id_t); 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate #ifdef __cplusplus 757c478bd9Sstevel@tonic-gate } 767c478bd9Sstevel@tonic-gate #endif 777c478bd9Sstevel@tonic-gate 787c478bd9Sstevel@tonic-gate #endif /* _FMD_DISPQ_H */ 79