X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=buffer_tree.c;h=941d58dba07521dc773721b93262b56ea2466f4f;hp=084827e3d34c0952588f1a751a20ffe32eb28467;hb=883af94f87f7d5465047c3bdd626a9dca3c2be8c;hpb=3e7bb8dae2b0eee8968db9157bfee3d812b95cf2

diff --git a/buffer_tree.c b/buffer_tree.c
index 084827e3..941d58db 100644
--- a/buffer_tree.c
+++ b/buffer_tree.c
@@ -196,3 +196,20 @@ size_t btr_get_input_queue_size(struct btr_node *btrn)
 		size += br_available_bytes(br);
 	return size;
 }
+
+/**
+ * Return the size of the largest input queue.
+ *
+ * Iterates over all children of the given node.
+ */
+size_t btr_bytes_pending(struct btr_node *btrn)
+{
+	size_t max_size = 0;
+	struct btr_node *ch;
+
+	FOR_EACH_CHILD(ch, btrn) {
+		size_t size = btr_get_input_queue_size(ch);
+		max_size = PARA_MAX(max_size, size);
+	}
+	return max_size;
+}