10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*11704SJan.Friedel@Sun.COM * Common Development and Distribution License (the "License"). 6*11704SJan.Friedel@Sun.COM * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 210Sstevel@tonic-gate /* 22*11704SJan.Friedel@Sun.COM * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 230Sstevel@tonic-gate * Use is subject to license terms. 240Sstevel@tonic-gate * 250Sstevel@tonic-gate */ 260Sstevel@tonic-gate 270Sstevel@tonic-gate #ifndef _QUEUE_H 280Sstevel@tonic-gate #define _QUEUE_H 290Sstevel@tonic-gate 300Sstevel@tonic-gate #ifdef __cplusplus 310Sstevel@tonic-gate extern "C" { 320Sstevel@tonic-gate #endif 330Sstevel@tonic-gate 340Sstevel@tonic-gate #include <pthread.h> 350Sstevel@tonic-gate #include <stddef.h> 360Sstevel@tonic-gate 370Sstevel@tonic-gate typedef struct aln audit_link_t; 380Sstevel@tonic-gate struct aln { 390Sstevel@tonic-gate audit_link_t *aln_next; 400Sstevel@tonic-gate }; 410Sstevel@tonic-gate 420Sstevel@tonic-gate /* one audit_rec_t per audit record */ 430Sstevel@tonic-gate 440Sstevel@tonic-gate typedef struct abq audit_rec_t; 450Sstevel@tonic-gate struct abq { 460Sstevel@tonic-gate audit_link_t abq_l; 470Sstevel@tonic-gate int abq_ref_count; 480Sstevel@tonic-gate size_t abq_buf_len; /* space allocated */ 490Sstevel@tonic-gate size_t abq_data_len; /* space used */ 500Sstevel@tonic-gate char abq_buffer[1]; /* variable length */ 510Sstevel@tonic-gate }; 520Sstevel@tonic-gate #define AUDIT_REC_HEADER offsetof(audit_rec_t, abq_buffer[0]) 530Sstevel@tonic-gate 540Sstevel@tonic-gate /* one audit_q_t entry per audit record per plugin */ 550Sstevel@tonic-gate 560Sstevel@tonic-gate typedef struct aqq audit_q_t; /* plugin queued data */ 570Sstevel@tonic-gate struct aqq { 580Sstevel@tonic-gate audit_link_t aqq_l; 590Sstevel@tonic-gate audit_rec_t *aqq_data; 60*11704SJan.Friedel@Sun.COM uint64_t aqq_sequence; 610Sstevel@tonic-gate }; 620Sstevel@tonic-gate 630Sstevel@tonic-gate /* queue head */ 640Sstevel@tonic-gate 650Sstevel@tonic-gate typedef struct auq au_queue_t; 660Sstevel@tonic-gate 670Sstevel@tonic-gate struct auq { 680Sstevel@tonic-gate void *auq_head; 690Sstevel@tonic-gate void *auq_tail; 700Sstevel@tonic-gate int auq_count; 710Sstevel@tonic-gate pthread_mutex_t auq_lock; 720Sstevel@tonic-gate }; 730Sstevel@tonic-gate 740Sstevel@tonic-gate int audit_dequeue(au_queue_t *, void **); 750Sstevel@tonic-gate void audit_queue_destroy(au_queue_t *); 760Sstevel@tonic-gate void audit_enqueue(au_queue_t *, void *); 770Sstevel@tonic-gate int audit_queue_size(au_queue_t *); 780Sstevel@tonic-gate void audit_queue_init(au_queue_t *); 790Sstevel@tonic-gate audit_rec_t *audit_release(pthread_mutex_t *, audit_rec_t *); 800Sstevel@tonic-gate void audit_incr_ref(pthread_mutex_t *, audit_rec_t *); 810Sstevel@tonic-gate 820Sstevel@tonic-gate #ifdef __cplusplus 830Sstevel@tonic-gate } 840Sstevel@tonic-gate #endif 850Sstevel@tonic-gate 860Sstevel@tonic-gate #endif /* _QUEUE_H */ 87