udev.patches/udev-51.patch

diff -Naur a/udev/udev-ctrl.c b/udev/udev-ctrl.c
--- a/udev/udev-ctrl.c	2011-10-09 16:10:32.974583654 -0700
+++ b/udev/udev-ctrl.c	2016-10-24 13:41:53.973027666 -0700
@@ -15,6 +15,7 @@
 #include <stddef.h>
 #include <string.h>
 #include <unistd.h>
+#include <fcntl.h>
 #include <sys/types.h>
 #include <sys/poll.h>
 #include <sys/socket.h>
@@ -176,6 +177,16 @@
 	return uctrl->sock;
 }
 
+int replace_accept4(int s, struct sockaddr *addr, socklen_t *addrlen, int flags)
+{
+	int sock = accept(s, addr, addrlen);
+	if (sock < 0) return sock;
+	int res = fcntl(sock, F_SETFL, flags);
+	if (res > -1) return sock;
+	close(sock);
+	return res;
+}
+
 struct udev_ctrl_connection *udev_ctrl_get_connection(struct udev_ctrl *uctrl)
 {
 	struct udev_ctrl_connection *conn;
@@ -189,7 +200,8 @@
 	conn->refcount = 1;
 	conn->uctrl = uctrl;
 
-	conn->sock = accept4(uctrl->sock, NULL, NULL, SOCK_CLOEXEC|SOCK_NONBLOCK);
+	//conn->sock = accept4(uctrl->sock, NULL, NULL, SOCK_CLOEXEC|SOCK_NONBLOCK);
+	conn->sock = replace_accept4(uctrl->sock, NULL, NULL, O_NONBLOCK);
 	if (conn->sock < 0) {
 		if (errno != EINTR)
 			err(uctrl->udev, "unable to receive ctrl connection: %m\n");