taglinefilesource code
readsem72include/net/sock.hstruct semaphore  readsem;
readsem303net/unix/af_unix.csk->protinfo.af_unix.readsem=MUTEX;  /* single task reading lock */
readsem835net/unix/af_unix.cdown(&sk->protinfo.af_unix.readsem);    /* Lock the socket */
readsem852net/unix/af_unix.cup(&sk->protinfo.af_unix.readsem);
readsem862net/unix/af_unix.cdown(&sk->protinfo.af_unix.readsem);
readsem896net/unix/af_unix.cup(&sk->protinfo.af_unix.readsem);