making the kernel build with up to date compilers again, see https://bbs.archlinux...
[nao-ulib.git] / kernel / 2.6.29.6-aldebaran-rt / include / net / af_unix.h
blob1614d78c60ed2c4b616b530b89f8247addbcc17f
1 #ifndef __LINUX_NET_AFUNIX_H
2 #define __LINUX_NET_AFUNIX_H
4 #include <linux/socket.h>
5 #include <linux/un.h>
6 #include <linux/mutex.h>
7 #include <net/sock.h>
9 extern void unix_inflight(struct file *fp);
10 extern void unix_notinflight(struct file *fp);
11 extern void unix_gc(void);
12 extern void wait_for_unix_gc(void);
14 #define UNIX_HASH_SIZE 256
16 extern unsigned int unix_tot_inflight;
18 struct unix_address {
19 atomic_t refcnt;
20 int len;
21 unsigned hash;
22 struct sockaddr_un name[0];
25 struct unix_skb_parms {
26 struct ucred creds; /* Skb credentials */
27 struct scm_fp_list *fp; /* Passed files */
28 #ifdef CONFIG_SECURITY_NETWORK
29 u32 secid; /* Security ID */
30 #endif
33 #define UNIXCB(skb) (*(struct unix_skb_parms*)&((skb)->cb))
34 #define UNIXCREDS(skb) (&UNIXCB((skb)).creds)
35 #define UNIXSID(skb) (&UNIXCB((skb)).secid)
37 #define unix_state_lock(s) spin_lock(&unix_sk(s)->lock)
38 #define unix_state_unlock(s) spin_unlock(&unix_sk(s)->lock)
39 #define unix_state_lock_nested(s) \
40 spin_lock_nested(&unix_sk(s)->lock, \
41 SINGLE_DEPTH_NESTING)
43 #ifdef __KERNEL__
44 /* The AF_UNIX socket */
45 struct unix_sock {
46 /* WARNING: sk has to be the first member */
47 struct sock sk;
48 struct unix_address *addr;
49 struct dentry *dentry;
50 struct vfsmount *mnt;
51 struct mutex readlock;
52 struct sock *peer;
53 struct sock *other;
54 struct list_head link;
55 atomic_long_t inflight;
56 spinlock_t lock;
57 unsigned int gc_candidate : 1;
58 unsigned int gc_maybe_cycle : 1;
59 wait_queue_head_t peer_wait;
61 #define unix_sk(__sk) ((struct unix_sock *)__sk)
63 #ifdef CONFIG_SYSCTL
64 extern int unix_sysctl_register(struct net *net);
65 extern void unix_sysctl_unregister(struct net *net);
66 #else
67 static inline int unix_sysctl_register(struct net *net) { return 0; }
68 static inline void unix_sysctl_unregister(struct net *net) {}
69 #endif
70 #endif
71 #endif