write_queue: Add a method to clear the queue.

2 files changed, 12 insertions, 0 deletions

diff --git a/include/osmocore/write_queue.h b/include/osmocore/write_queue.h
index c84000c1..64d4159a 100644
--- a/include/osmocore/write_queue.h
+++ b/include/osmocore/write_queue.h
@@ -38,6 +38,7 @@ struct write_queue {
 };
 
 void write_queue_init(struct write_queue *queue, int max_length);
+void write_queue_clear(struct write_queue *queue);
 int write_queue_enqueue(struct write_queue *queue, struct msgb *data);
 int write_queue_bfd_cb(struct bsc_fd *fd, unsigned int what);
 
diff --git a/src/write_queue.c b/src/write_queue.c
index 7d908b4c..a0ac2d6f 100644
--- a/src/write_queue.c
+++ b/src/write_queue.c
@@ -72,3 +72,14 @@ int write_queue_enqueue(struct write_queue *queue, struct msgb *data)
 
 	return 0;
 }
+
+void write_queue_clear(struct write_queue *queue)
+{
+	while (!llist_empty(&queue->msg_queue)) {
+		struct msgb *msg = msgb_dequeue(&queue->msg_queue);
+		msgb_free(msg);
+	}
+
+	queue->current_length = 0;
+	queue->bfd.when &= ~BSC_FD_WRITE;
+}