* Open permissions on /var/run/devd.pipe so that any user can read devd events

  from this socket
* Enable non-blocking I/O on devd.pipe to keep clients from wedging devd.
  If a write(2) on devd.pipe would block, the client in question will be
  removed [1]

Requested by:	rwatson [1]
Approved by:	imp

1 files changed, 3 insertions, 1 deletions

diff --git a/sbin/devd/devd.cc b/sbin/devd/devd.cc
index 9101ecf..ad3ef43 100644
--- a/sbin/devd/devd.cc
+++ b/sbin/devd/devd.cc
@@ -672,11 +672,13 @@ create_socket(const char *name)
 	strlcpy(sun.sun_path, name, sizeof(sun.sun_path));
 	slen = SUN_LEN(&sun);
 	unlink(name);
+	if (fcntl(fd, F_SETFL, O_NONBLOCK) < 0)
+	    	err(1, "fcntl");
 	if (bind(fd, (struct sockaddr *) & sun, slen) < 0)
 		err(1, "bind");
 	listen(fd, 4);
 	chown(name, 0, 0);	/* XXX - root.wheel */
-	chmod(name, 0660);
+	chmod(name, 0666);
 	return (fd);
 }