[VOL-3678] First implementation of the BBSim-sadis-server
Change-Id: I5077a8f861f4cc6af9759f31a4a415042c05eba3
diff --git a/vendor/golang.org/x/sys/unix/sockcmsg_dragonfly.go b/vendor/golang.org/x/sys/unix/sockcmsg_dragonfly.go
new file mode 100644
index 0000000..5144dee
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/sockcmsg_dragonfly.go
@@ -0,0 +1,16 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package unix
+
+// Round the length of a raw sockaddr up to align it properly.
+func cmsgAlignOf(salen int) int {
+ salign := SizeofPtr
+ if SizeofPtr == 8 && !supportsABI(_dragonflyABIChangeVersion) {
+ // 64-bit Dragonfly before the September 2019 ABI changes still requires
+ // 32-bit aligned access to network subsystem.
+ salign = 4
+ }
+ return (salen + salign - 1) & ^(salign - 1)
+}