autodetect number of CPUs by default when using threads

diff --git a/builtin-fsck.c b/builtin-fsck.c
index afded5e68db35cb5eca789e948bc1cb2ef2de0bc..297b2c41c62b9f2d918cf0bc9fd113e6e3bb71af 100644 (file)
--- a/builtin-fsck.c
+++ b/builtin-fsck.c
@@ -64,11 +64,11 @@ static int fsck_error_func(struct object *obj, int type, const char *err, ...)
        return (type == FSCK_WARN) ? 0 : 1;
 }
 
+static struct object_array pending;
+
 static int mark_object(struct object *obj, int type, void *data)
 {
-       struct tree *tree = NULL;
        struct object *parent = data;
-       int result;
 
        if (!obj) {
                printf("broken link from %7s %s\n",
@@ -96,6 +96,20 @@ static int mark_object(struct object *obj, int type, void *data)
                return 1;
        }
 
+       add_object_array(obj, (void *) parent, &pending);
+       return 0;
+}
+
+static void mark_object_reachable(struct object *obj)
+{
+       mark_object(obj, OBJ_ANY, 0);
+}
+
+static int traverse_one_object(struct object *obj, struct object *parent)
+{
+       int result;
+       struct tree *tree = NULL;
+
        if (obj->type == OBJ_TREE) {
                obj->parsed = 0;
                tree = (struct tree *)obj;
@@ -107,15 +121,22 @@ static int mark_object(struct object *obj, int type, void *data)
                free(tree->buffer);
                tree->buffer = NULL;
        }
-       if (result < 0)
-               result = 1;
-
        return result;
 }
 
-static void mark_object_reachable(struct object *obj)
+static int traverse_reachable(void)
 {
-       mark_object(obj, OBJ_ANY, 0);
+       int result = 0;
+       while (pending.nr) {
+               struct object_array_entry *entry;
+               struct object *obj, *parent;
+
+               entry = pending.objects + --pending.nr;
+               obj = entry->item;
+               parent = (struct object *) entry->name;
+               result |= traverse_one_object(obj, parent);
+       }
+       return !!result;
 }
 
 static int mark_used(struct object *obj, int type, void *data)
@@ -237,6 +258,9 @@ static void check_connectivity(void)
 {
        int i, max;
 
+       /* Traverse the pending reachable objects */
+       traverse_reachable();
+
        /* Look up all the requirements, warn about missing objects.. */
        max = get_max_object_index();
        if (verbose)