Remove a 27 year old #ifdef notdef chunk involving SB_LOCK.

ok bluhm@

diff --git a/sys/kern/uipc_usrreq.c b/sys/kern/uipc_usrreq.c
index ee0de09..5f0d7f2 100644 (file)
--- a/sys/kern/uipc_usrreq.c
+++ b/sys/kern/uipc_usrreq.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: uipc_usrreq.c,v 1.121 2017/12/19 09:32:15 mpi Exp $   */
+/*     $OpenBSD: uipc_usrreq.c,v 1.122 2017/12/19 09:35:56 mpi Exp $   */
 /*     $NetBSD: uipc_usrreq.c,v 1.18 1996/02/09 19:00:50 christos Exp $        */
 
 /*
@@ -960,22 +960,6 @@ unp_gc(void *arg __unused)
                        unp->unp_flags |= UNP_GCMARK;
 
                        so = unp->unp_socket;
-#ifdef notdef
-                       if (so->so_rcv.sb_flags & SB_LOCK) {
-                               /*
-                                * This is problematical; it's not clear
-                                * we need to wait for the sockbuf to be
-                                * unlocked (on a uniprocessor, at least),
-                                * and it's also not clear what to do
-                                * if sbwait returns an error due to receipt
-                                * of a signal.  If sbwait does return
-                                * an error, we'll go into an infinite
-                                * loop.  Delete all of this for now.
-                                */
-                               (void) sbwait(&so->so_rcv);
-                               goto restart;
-                       }
-#endif
                        unp_scan(so->so_rcv.sb_mb, unp_mark);
                }
        } while (unp_defer);