From 3d546ff8a46164724ac3018af8ae17b9d7498a5c Mon Sep 17 00:00:00 2001
From: Maas-Maarten Zeeman <mmzeeman@xs4all.nl>
Date: Fri, 16 Dec 2016 11:14:33 +0100
Subject: [PATCH] Empty the command queue before destroying it. It could
 contain commands. Fixes a crash

---
 c_src/esqlite3_nif.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/c_src/esqlite3_nif.c b/c_src/esqlite3_nif.c
index 1727ed6..3b46fdb 100644
--- a/c_src/esqlite3_nif.c
+++ b/c_src/esqlite3_nif.c
@@ -218,11 +218,13 @@ destruct_esqlite_connection(ErlNifEnv *env, void *arg)
     /* Wait for the thread to finish 
      */
     enif_thread_join(db->tid, NULL);
+
     enif_thread_opts_destroy(db->opts);
      
     /* The thread has finished... now remove the command queue, and close
-     * the datbase (if it was still open).
+     * the database (if it was still open).
      */
+    while(queue_has_item(db->commands)) command_destroy(queue_pop(db->commands));
     queue_destroy(db->commands);
 
     if(db->db) {