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TOMOYO Linux Cross Reference
Linux/include/linux/connector.h

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  1 /*
  2  *      connector.h
  3  * 
  4  * 2004-2005 Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
  5  * All rights reserved.
  6  * 
  7  * This program is free software; you can redistribute it and/or modify
  8  * it under the terms of the GNU General Public License as published by
  9  * the Free Software Foundation; either version 2 of the License, or
 10  * (at your option) any later version.
 11  *
 12  * This program is distributed in the hope that it will be useful,
 13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 15  * GNU General Public License for more details.
 16  *
 17  * You should have received a copy of the GNU General Public License
 18  * along with this program; if not, write to the Free Software
 19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 20  */
 21 #ifndef __CONNECTOR_H
 22 #define __CONNECTOR_H
 23 
 24 
 25 #include <linux/refcount.h>
 26 
 27 #include <linux/list.h>
 28 #include <linux/workqueue.h>
 29 
 30 #include <net/sock.h>
 31 #include <uapi/linux/connector.h>
 32 
 33 #define CN_CBQ_NAMELEN          32
 34 
 35 struct cn_queue_dev {
 36         atomic_t refcnt;
 37         unsigned char name[CN_CBQ_NAMELEN];
 38 
 39         struct list_head queue_list;
 40         spinlock_t queue_lock;
 41 
 42         struct sock *nls;
 43 };
 44 
 45 struct cn_callback_id {
 46         unsigned char name[CN_CBQ_NAMELEN];
 47         struct cb_id id;
 48 };
 49 
 50 struct cn_callback_entry {
 51         struct list_head callback_entry;
 52         refcount_t refcnt;
 53         struct cn_queue_dev *pdev;
 54 
 55         struct cn_callback_id id;
 56         void (*callback) (struct cn_msg *, struct netlink_skb_parms *);
 57 
 58         u32 seq, group;
 59 };
 60 
 61 struct cn_dev {
 62         struct cb_id id;
 63 
 64         u32 seq, groups;
 65         struct sock *nls;
 66         void (*input) (struct sk_buff *skb);
 67 
 68         struct cn_queue_dev *cbdev;
 69 };
 70 
 71 int cn_add_callback(struct cb_id *id, const char *name,
 72                     void (*callback)(struct cn_msg *, struct netlink_skb_parms *));
 73 void cn_del_callback(struct cb_id *);
 74 int cn_netlink_send_mult(struct cn_msg *msg, u16 len, u32 portid, u32 group, gfp_t gfp_mask);
 75 int cn_netlink_send(struct cn_msg *msg, u32 portid, u32 group, gfp_t gfp_mask);
 76 
 77 int cn_queue_add_callback(struct cn_queue_dev *dev, const char *name,
 78                           struct cb_id *id,
 79                           void (*callback)(struct cn_msg *, struct netlink_skb_parms *));
 80 void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id);
 81 void cn_queue_release_callback(struct cn_callback_entry *);
 82 
 83 struct cn_queue_dev *cn_queue_alloc_dev(const char *name, struct sock *);
 84 void cn_queue_free_dev(struct cn_queue_dev *dev);
 85 
 86 int cn_cb_equal(struct cb_id *, struct cb_id *);
 87 
 88 #endif                          /* __CONNECTOR_H */
 89 

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