X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fnet%2Faf_unix.h;h=e0fba269d092234b77f722d39cde870c06fce4ad;hb=bb803175865dd030420eebbc87298414c7725019;hp=c0398f5a8cb98667d77f979ac863ed2a7822ad10;hpb=a4b47ab9464a8200528fad3101668abdd7379cf9;p=linux-2.6 diff --git a/include/net/af_unix.h b/include/net/af_unix.h index c0398f5a8c..e0fba269d0 100644 --- a/include/net/af_unix.h +++ b/include/net/af_unix.h @@ -12,36 +12,7 @@ extern void unix_gc(void); #define UNIX_HASH_SIZE 256 -extern struct hlist_head unix_socket_table[UNIX_HASH_SIZE + 1]; -extern spinlock_t unix_table_lock; - -extern atomic_t unix_tot_inflight; - -static inline struct sock *first_unix_socket(int *i) -{ - for (*i = 0; *i <= UNIX_HASH_SIZE; (*i)++) { - if (!hlist_empty(&unix_socket_table[*i])) - return __sk_head(&unix_socket_table[*i]); - } - return NULL; -} - -static inline struct sock *next_unix_socket(int *i, struct sock *s) -{ - struct sock *next = sk_next(s); - /* More in this chain? */ - if (next) - return next; - /* Look for next non-empty chain. */ - for ((*i)++; *i <= UNIX_HASH_SIZE; (*i)++) { - if (!hlist_empty(&unix_socket_table[*i])) - return __sk_head(&unix_socket_table[*i]); - } - return NULL; -} - -#define forall_unix_sockets(i, s) \ - for (s = first_unix_socket(&(i)); s; s = next_unix_socket(&(i),(s))) +extern unsigned int unix_tot_inflight; struct unix_address { atomic_t refcnt; @@ -62,13 +33,11 @@ struct unix_skb_parms { #define UNIXCREDS(skb) (&UNIXCB((skb)).creds) #define UNIXSID(skb) (&UNIXCB((skb)).secid) -#define unix_state_rlock(s) spin_lock(&unix_sk(s)->lock) -#define unix_state_runlock(s) spin_unlock(&unix_sk(s)->lock) -#define unix_state_wlock(s) spin_lock(&unix_sk(s)->lock) -#define unix_state_wlock_nested(s) \ +#define unix_state_lock(s) spin_lock(&unix_sk(s)->lock) +#define unix_state_unlock(s) spin_unlock(&unix_sk(s)->lock) +#define unix_state_lock_nested(s) \ spin_lock_nested(&unix_sk(s)->lock, \ SINGLE_DEPTH_NESTING) -#define unix_state_wunlock(s) spin_unlock(&unix_sk(s)->lock) #ifdef __KERNEL__ /* The AF_UNIX socket */ @@ -81,20 +50,21 @@ struct unix_sock { struct mutex readlock; struct sock *peer; struct sock *other; - struct sock *gc_tree; + struct list_head link; atomic_t inflight; spinlock_t lock; + unsigned int gc_candidate : 1; wait_queue_head_t peer_wait; }; #define unix_sk(__sk) ((struct unix_sock *)__sk) #ifdef CONFIG_SYSCTL extern int sysctl_unix_max_dgram_qlen; -extern void unix_sysctl_register(void); -extern void unix_sysctl_unregister(void); +extern int unix_sysctl_register(struct net *net); +extern void unix_sysctl_unregister(struct net *net); #else -static inline void unix_sysctl_register(void) {} -static inline void unix_sysctl_unregister(void) {} +static inline int unix_sysctl_register(struct net *net) { return 0; } +static inline void unix_sysctl_unregister(struct net *net) {} #endif #endif #endif