mdev: add commented-out debug code to open stdio.
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index a32c04f..057b9e4 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -392,6 +392,15 @@
char *env_path;
RESERVE_CONFIG_BUFFER(temp, PATH_MAX + SCRATCH_SIZE);
+#ifdef YOU_WANT_TO_DEBUG_HOTPLUG_EVENTS
+ /* Kernel cannot provide suitable stdio fds for us, do it ourself */
+ /* Replace LOGFILE by other file or device name if you need */
+#define LOGFILE "/dev/console"
+ xmove_fd(xopen("/dev/null", O_RDONLY), STDIN_FILENO);
+ xmove_fd(xopen(LOGFILE, O_WRONLY|O_APPEND), STDOUT_FILENO);
+ xmove_fd(xopen(LOGFILE, O_WRONLY|O_APPEND), STDERR_FILENO);
+#endif
+
xchdir("/dev");
if (argc == 2 && !strcmp(argv[1], "-s")) {