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Diffstat (limited to 'include/net/af_unix.h')
-rw-r--r--include/net/af_unix.h33
1 files changed, 24 insertions, 9 deletions
diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index 3dee0b2721..b6eedf7650 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -17,14 +17,31 @@ static inline struct unix_sock *unix_get_socket(struct file *filp)
}
#endif
-extern spinlock_t unix_gc_lock;
extern unsigned int unix_tot_inflight;
-
-void unix_inflight(struct user_struct *user, struct file *fp);
-void unix_notinflight(struct user_struct *user, struct file *fp);
+void unix_add_edges(struct scm_fp_list *fpl, struct unix_sock *receiver);
+void unix_del_edges(struct scm_fp_list *fpl);
+void unix_update_edges(struct unix_sock *receiver);
+int unix_prepare_fpl(struct scm_fp_list *fpl);
+void unix_destroy_fpl(struct scm_fp_list *fpl);
void unix_gc(void);
void wait_for_unix_gc(struct scm_fp_list *fpl);
+struct unix_vertex {
+ struct list_head edges;
+ struct list_head entry;
+ struct list_head scc_entry;
+ unsigned long out_degree;
+ unsigned long index;
+ unsigned long scc_index;
+};
+
+struct unix_edge {
+ struct unix_sock *predecessor;
+ struct unix_sock *successor;
+ struct list_head vertex_entry;
+ struct list_head stack_entry;
+};
+
struct sock *unix_peer_get(struct sock *sk);
#define UNIX_HASH_MOD (256 - 1)
@@ -50,6 +67,7 @@ struct unix_skb_parms {
struct scm_stat {
atomic_t nr_fds;
+ unsigned long nr_unix_fds;
};
#define UNIXCB(skb) (*(struct unix_skb_parms *)&((skb)->cb))
@@ -62,12 +80,9 @@ struct unix_sock {
struct path path;
struct mutex iolock, bindlock;
struct sock *peer;
- struct list_head link;
- unsigned long inflight;
+ struct sock *listener;
+ struct unix_vertex *vertex;
spinlock_t lock;
- unsigned long gc_flags;
-#define UNIX_GC_CANDIDATE 0
-#define UNIX_GC_MAYBE_CYCLE 1
struct socket_wq peer_wq;
wait_queue_entry_t peer_wake;
struct scm_stat scm_stat;