#ifndef __LINUX_NET_AFUNIX_H #define __LINUX_NET_AFUNIX_H #include #include #include #include void unix_inflight(struct user_struct *user, struct file *fp); void unix_notinflight(struct user_struct *user, struct file *fp); void unix_gc(void); void wait_for_unix_gc(void); struct sock *unix_get_socket(struct file *filp); struct sock *unix_peer_get(struct sock *); #define UNIX_HASH_SIZE 256 #define UNIX_HASH_BITS 8 extern unsigned int unix_tot_inflight; extern spinlock_t unix_table_lock; extern struct hlist_head unix_socket_table[2 * UNIX_HASH_SIZE]; struct unix_address { atomic_t refcnt; int len; unsigned int hash; struct sockaddr_un name[0]; }; struct unix_skb_parms { struct pid *pid; /* Skb credentials */ kuid_t uid; kgid_t gid; struct scm_fp_list *fp; /* Passed files */ #ifdef CONFIG_SECURITY_NETWORK u32 secid; /* Security ID */ #endif u32 consumed; }; #define UNIXCB(skb) (*(struct unix_skb_parms *)&((skb)->cb)) #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) /* The AF_UNIX socket */ struct unix_sock { /* WARNING: sk has to be the first member */ struct sock sk; struct unix_address *addr; struct path path; struct mutex iolock, bindlock; struct sock *peer; struct list_head link; atomic_long_t inflight; spinlock_t lock; unsigned char recursion_level; unsigned long gc_flags; #define UNIX_GC_CANDIDATE 0 #define UNIX_GC_MAYBE_CYCLE 1 struct socket_wq peer_wq; wait_queue_t peer_wake; }; static inline struct unix_sock *unix_sk(const struct sock *sk) { return (struct unix_sock *)sk; } #define peer_wait peer_wq.wait long unix_inq_len(struct sock *sk); long unix_outq_len(struct sock *sk); #ifdef CONFIG_SYSCTL int unix_sysctl_register(struct net *net); void unix_sysctl_unregister(struct net *net); #else static inline int unix_sysctl_register(struct net *net) { return 0; } static inline void unix_sysctl_unregister(struct net *net) {} #endif #endif d=90c1aff702d449a1a248c4829d51c0bc677f968e'>diff

path: root/net/ax25/af_ax25.c

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