Provided by: linux-doc-2.6.15_2.6.15-23.39_all bug

NAME

       sk_wait_data - wait for data to arrive at sk_receive_queue

SYNOPSIS

       int sk_wait_data  (struct sock * sk, long * timeo);

ARGUMENTS

       sk     sock to wait on

       timeo  for how long

DESCRIPTION

       Now socket state including sk->sk_err is changed only under lock, hence
       we may omit checks after joining wait queue.  We  check  receive  queue
       before   schedule   only  as  optimization;  it  is  very  likely  that
       release_sock added new data.