Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

===================================================================
RCS file: /ftp/cvs/cvsroot/src/sys/kern/uipc_socket.c,v
retrieving revision 1.118
retrieving revision 1.118.2.1
diff -u -p -r1.118 -r1.118.2.1
--- src/sys/kern/uipc_socket.c	2006/05/14 21:15:12	1.118
+++ src/sys/kern/uipc_socket.c	2006/06/19 04:07:16	1.118.2.1
@@ -1,4 +1,4 @@
-/*	$NetBSD: uipc_socket.c,v 1.118 2006/05/14 21:15:12 elad Exp $	*/
+/*	$NetBSD: uipc_socket.c,v 1.118.2.1 2006/06/19 04:07:16 chap Exp $	*/
 
 /*-
  * Copyright (c) 2002 The NetBSD Foundation, Inc.
@@ -68,7 +68,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uipc_socket.c,v 1.118 2006/05/14 21:15:12 elad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uipc_socket.c,v 1.118.2.1 2006/06/19 04:07:16 chap Exp $");
 
 #include "opt_sock_counters.h"
 #include "opt_sosend_loan.h"
@@ -127,15 +127,7 @@ EVCNT_ATTACH_STATIC(sosend_kvalimit);
 
 #endif /* SOSEND_COUNTERS */
 
-void
-soinit(void)
-{
-
-	/* Set the initial adjusted socket buffer size. */
-	if (sb_max_set(sb_max))
-		panic("bad initial sb_max value: %lu", sb_max);
-
-}
+static struct callback_entry sokva_reclaimerentry;
 
 #ifdef SOSEND_NO_LOAN
 int use_sosend_loan = 0;
@@ -440,6 +432,32 @@ sosend_loan(struct socket *so, struct ui
 	return (space);
 }
 
+static int
+sokva_reclaim_callback(struct callback_entry *ce, void *obj, void *arg)
+{
+
+	KASSERT(ce == &sokva_reclaimerentry);
+	KASSERT(obj == NULL);
+
+	sodopendfree();
+	if (!vm_map_starved_p(kernel_map)) {
+		return CALLBACK_CHAIN_ABORT;
+	}
+	return CALLBACK_CHAIN_CONTINUE;
+}
+
+void
+soinit(void)
+{
+
+	/* Set the initial adjusted socket buffer size. */
+	if (sb_max_set(sb_max))
+		panic("bad initial sb_max value: %lu", sb_max);
+
+	callback_register(&vm_map_to_kernel(kernel_map)->vmk_reclaim_callback,
+	    &sokva_reclaimerentry, NULL, sokva_reclaim_callback);
+}
+
 /*
  * Socket operation routines.
  * These routines are called by the routines in
@@ -460,7 +478,16 @@ socreate(int dom, struct socket **aso, i
 		prp = pffindproto(dom, proto, type);
 	else
 		prp = pffindtype(dom, type);
-	if (prp == 0 || prp->pr_usrreq == 0)
+	if (prp == 0) {
+		/* no support for domain */
+		if (pffinddomain(dom) == 0)
+			return (EAFNOSUPPORT);
+		/* no support for socket type */
+		if (proto == 0 && type != 0)
+			return (EPROTOTYPE);
+		return (EPROTONOSUPPORT);
+	}
+	if (prp->pr_usrreq == 0)
 		return (EPROTONOSUPPORT);
 	if (prp->pr_type != type)
 		return (EPROTOTYPE);