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 5*8f775e0aSJan Friedel * Common Development and Distribution License (the "License"). 6*8f775e0aSJan Friedel * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22*8f775e0aSJan Friedel * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate * 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #ifndef _QUEUE_H 287c478bd9Sstevel@tonic-gate #define _QUEUE_H 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #ifdef __cplusplus 317c478bd9Sstevel@tonic-gate extern "C" { 327c478bd9Sstevel@tonic-gate #endif 337c478bd9Sstevel@tonic-gate 347c478bd9Sstevel@tonic-gate #include <pthread.h> 357c478bd9Sstevel@tonic-gate #include <stddef.h> 367c478bd9Sstevel@tonic-gate 377c478bd9Sstevel@tonic-gate typedef struct aln audit_link_t; 387c478bd9Sstevel@tonic-gate struct aln { 397c478bd9Sstevel@tonic-gate audit_link_t *aln_next; 407c478bd9Sstevel@tonic-gate }; 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate /* one audit_rec_t per audit record */ 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate typedef struct abq audit_rec_t; 457c478bd9Sstevel@tonic-gate struct abq { 467c478bd9Sstevel@tonic-gate audit_link_t abq_l; 477c478bd9Sstevel@tonic-gate int abq_ref_count; 487c478bd9Sstevel@tonic-gate size_t abq_buf_len; /* space allocated */ 497c478bd9Sstevel@tonic-gate size_t abq_data_len; /* space used */ 507c478bd9Sstevel@tonic-gate char abq_buffer[1]; /* variable length */ 517c478bd9Sstevel@tonic-gate }; 527c478bd9Sstevel@tonic-gate #define AUDIT_REC_HEADER offsetof(audit_rec_t, abq_buffer[0]) 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate /* one audit_q_t entry per audit record per plugin */ 557c478bd9Sstevel@tonic-gate 567c478bd9Sstevel@tonic-gate typedef struct aqq audit_q_t; /* plugin queued data */ 577c478bd9Sstevel@tonic-gate struct aqq { 587c478bd9Sstevel@tonic-gate audit_link_t aqq_l; 597c478bd9Sstevel@tonic-gate audit_rec_t *aqq_data; 60*8f775e0aSJan Friedel uint64_t aqq_sequence; 617c478bd9Sstevel@tonic-gate }; 627c478bd9Sstevel@tonic-gate 637c478bd9Sstevel@tonic-gate /* queue head */ 647c478bd9Sstevel@tonic-gate 657c478bd9Sstevel@tonic-gate typedef struct auq au_queue_t; 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate struct auq { 687c478bd9Sstevel@tonic-gate void *auq_head; 697c478bd9Sstevel@tonic-gate void *auq_tail; 707c478bd9Sstevel@tonic-gate int auq_count; 717c478bd9Sstevel@tonic-gate pthread_mutex_t auq_lock; 727c478bd9Sstevel@tonic-gate }; 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate int audit_dequeue(au_queue_t *, void **); 757c478bd9Sstevel@tonic-gate void audit_queue_destroy(au_queue_t *); 767c478bd9Sstevel@tonic-gate void audit_enqueue(au_queue_t *, void *); 777c478bd9Sstevel@tonic-gate int audit_queue_size(au_queue_t *); 787c478bd9Sstevel@tonic-gate void audit_queue_init(au_queue_t *); 797c478bd9Sstevel@tonic-gate audit_rec_t *audit_release(pthread_mutex_t *, audit_rec_t *); 807c478bd9Sstevel@tonic-gate void audit_incr_ref(pthread_mutex_t *, audit_rec_t *); 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate #ifdef __cplusplus 837c478bd9Sstevel@tonic-gate } 847c478bd9Sstevel@tonic-gate #endif 857c478bd9Sstevel@tonic-gate 867c478bd9Sstevel@tonic-gate #endif /* _QUEUE_H */ 87