diff --git a/src/runtime/defs_linux_arm.go b/src/runtime/defs_linux_arm.go
index c3a6e2f..3940240 100644
--- a/src/runtime/defs_linux_arm.go
+++ b/src/runtime/defs_linux_arm.go
@@ -65,7 +65,7 @@
 	_ITIMER_PROF    = 0x2
 	_ITIMER_VIRTUAL = 0x1
 	_O_RDONLY       = 0
-	_O_CLOEXEC      = 02000000
+	_O_CLOEXEC      = 0x80000
 
 	_EPOLLIN       = 0x1
 	_EPOLLOUT      = 0x4
@@ -77,6 +77,10 @@
 	_EPOLL_CTL_ADD = 0x1
 	_EPOLL_CTL_DEL = 0x2
 	_EPOLL_CTL_MOD = 0x3
+
+	_AF_UNIX    = 0x1
+	_F_SETFL    = 0x4
+	_SOCK_DGRAM = 0x2
 )
 
 type timespec struct {
@@ -166,3 +170,8 @@
 	_pad   uint32
 	data   [8]byte // to match amd64
 }
+
+type sockaddr_un struct {
+	family uint16
+	path   [108]byte
+}