1 #ifndef __LINUX_NET_AFUNIX_H
2 #define __LINUX_NET_AFUNIX_H
4 #include <linux/vs_base.h>
6 extern void unix_inflight(struct file *fp);
7 extern void unix_notinflight(struct file *fp);
8 extern void unix_gc(void);
10 #define UNIX_HASH_SIZE 256
12 extern struct hlist_head unix_socket_table[UNIX_HASH_SIZE + 1];
13 extern rwlock_t unix_table_lock;
15 extern atomic_t unix_tot_inflight;
17 static inline struct sock *next_unix_socket_table(int *i)
19 for ((*i)++; *i <= UNIX_HASH_SIZE; (*i)++) {
20 if (!hlist_empty(&unix_socket_table[*i]))
21 return __sk_head(&unix_socket_table[*i]);
26 static inline struct sock *next_unix_socket(int *i, struct sock *s)
32 s = next_unix_socket_table(i);
33 } while (s && !vx_check(s->sk_xid, VX_IDENT|VX_WATCH));
37 static inline struct sock *first_unix_socket(int *i)
40 return next_unix_socket(i, NULL);
43 #define forall_unix_sockets(i, s) \
44 for (s = first_unix_socket(&(i)); s; s = next_unix_socket(&(i),(s)))
51 struct sockaddr_un name[0];
56 struct ucred creds; /* Skb credentials */
57 struct scm_fp_list *fp; /* Passed files */
60 #define UNIXCB(skb) (*(struct unix_skb_parms*)&((skb)->cb))
61 #define UNIXCREDS(skb) (&UNIXCB((skb)).creds)
63 #define unix_state_rlock(s) read_lock(&unix_sk(s)->lock)
64 #define unix_state_runlock(s) read_unlock(&unix_sk(s)->lock)
65 #define unix_state_wlock(s) write_lock(&unix_sk(s)->lock)
66 #define unix_state_wunlock(s) write_unlock(&unix_sk(s)->lock)
69 /* The AF_UNIX socket */
71 /* WARNING: sk has to be the first member */
73 struct unix_address *addr;
74 struct dentry *dentry;
76 struct semaphore readsem;
81 wait_queue_head_t peer_wait;
83 #define unix_sk(__sk) ((struct unix_sock *)__sk)