unsigned int unix_tot_inflight;
-static struct sock *unix_get_socket(struct file *filp)
+struct sock *unix_get_socket(struct file *filp)
{
struct sock *u_sock = NULL;
struct inode *inode = filp->f_path.dentry->d_inode;
}
}
-static inline struct sk_buff *sock_queue_head(struct sock *sk)
-{
- return (struct sk_buff *)&sk->sk_receive_queue;
-}
-
-#define receive_queue_for_each_skb(sk, next, skb) \
- for (skb = sock_queue_head(sk)->next, next = skb->next; \
- skb != sock_queue_head(sk); skb = next, next = skb->next)
-
static void scan_inflight(struct sock *x, void (*func)(struct unix_sock *),
struct sk_buff_head *hitlist)
{
struct sk_buff *next;
spin_lock(&x->sk_receive_queue.lock);
- receive_queue_for_each_skb(x, next, skb) {
+ skb_queue_walk_safe(&x->sk_receive_queue, skb, next) {
/*
* Do we have file descriptors ?
*/
* and perform a scan on them as well.
*/
spin_lock(&x->sk_receive_queue.lock);
- receive_queue_for_each_skb(x, next, skb) {
+ skb_queue_walk_safe(&x->sk_receive_queue, skb, next) {
u = unix_sk(skb->sk);
/*
}
static bool gc_in_progress = false;
+#define UNIX_INFLIGHT_TRIGGER_GC 16000
void wait_for_unix_gc(void)
{
+ /*
+ * If number of inflight sockets is insane,
+ * force a garbage collect right now.
+ */
+ if (unix_tot_inflight > UNIX_INFLIGHT_TRIGGER_GC && !gc_in_progress)
+ unix_gc();
wait_event(unix_gc_wait, gc_in_progress == false);
}