>From time to time I get bugs about udevadm settle timeouts at boot time,
and usually they are quite hard to investigate for random users.
So I tought about being verbose about what is left in the queue when the
timeout is reached.
Please comment.
--
ciao,
Marco
--- a/udevsettle.c
+++ b/udevsettle.c
@@ -31,10 +31,43 @@
#include "udev.h"
#include "udevd.h"
+#include "list.h"
#define DEFAULT_TIMEOUT 180
#define LOOP_PER_SECOND 20
+static void print_queue(const char *dir)
+{
+ LIST_HEAD(files);
+ struct name_entry *item;
+
+ if (add_matching_files(&files, dir, NULL) < 0)
+ return;
+
+ printf("\n\nAfter the udevsettle timeout, the events queue contains:\n\n");
+
+ list_for_each_entry(item, &files, node) {
+ char target[NAME_SIZE];
+ size_t len;
+ const char *filename = strrchr(item->name, '/');
+
+ if (filename == NULL)
+ continue;
+ filename++;
+ if (*filename == '\0')
+ continue;
+
+ len = readlink(item->name, target, sizeof(target));
+ if (len < 0)
+ continue;
+ target[len] = '\0';
+
+ printf("%s: %s\n", filename, target);
+ }
+
+ printf("\n\n");
+}
+
int udevsettle(int argc, char *argv[], char *envp[])
{
char queuename[PATH_SIZE];
@@ -97,6 +130,7 @@ int udevsettle(int argc, char *argv[], c
}
if (loop <= 0) {
info("timeout waiting for queue\n");
+ print_queue(queuename);
goto exit;
}
