commit 02c2fa3

launch: die if EVIOCREVOKE fails

 1@@ -1,6 +1,6 @@
 2 /* swc: launch/launch.c
 3  *
 4- * Copyright (c) 2013 Michael Forney
 5+ * Copyright (c) 2013, 2014 Michael Forney
 6  *
 7  * Based in part upon weston-launch.c from weston which is:
 8  *
 9@@ -106,8 +106,8 @@ static void stop_devices(bool fatal)
10     {
11         if (ioctl(launcher.input_fds[index], EVIOCREVOKE, 0) == -1 && fatal)
12         {
13-            perror("FATAL: Your kernel does not support EVIOCREVOKE; "
14-                   "input devices cannot be revoked");
15+            die("FATAL: Your kernel does not support EVIOCREVOKE; "
16+                "input devices cannot be revoked: %s", strerror(errno));
17         }
18         close(launcher.input_fds[index]);
19     }