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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_SHARE_H 27 #define _SYS_SHARE_H 28 29 #include <sys/types.h> 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 /* 36 * Maximum size of a shrlock owner. 37 * Must be large enough to handle a netobj. 38 */ 39 #define MAX_SHR_OWNER_LEN 1024 40 41 /* 42 * Contents of shrlock owner field for local share requests 43 */ 44 struct shr_locowner { 45 pid_t sl_pid; 46 int sl_id; 47 }; 48 49 struct shrlock { 50 short s_access; 51 short s_deny; 52 int32_t s_sysid; /* 0 if local otherwise passed by lm */ 53 pid_t s_pid; /* 0 if remote otherwise local pid */ 54 int s_own_len; /* if 0 and F_UNSHARE matching sysid */ 55 caddr_t s_owner; /* variable length opaque owner */ 56 }; 57 58 struct shrlocklist { 59 struct shrlock *shr; 60 struct shrlocklist *next; 61 }; 62 63 #if defined(_KERNEL) 64 struct flock64; 65 66 extern int add_share(struct vnode *, struct shrlock *); 67 extern int del_share(struct vnode *, struct shrlock *); 68 extern void cleanshares(struct vnode *, pid_t); 69 extern int shr_has_remote_shares(vnode_t *, int32_t); 70 extern int proc_has_nbmand_share_on_vp(vnode_t *, pid_t); 71 #endif /* _KERNEL */ 72 73 #ifdef __cplusplus 74 } 75 #endif 76 77 #endif /* _SYS_SHARE_H */ 78