Wait until bitcoind is stopped in test.

README.md

@@ -16,6 +16,10 @@ bitcoind.getBlock(blockHash, function(err, block) {
 }
 ```
 
+bitcoind.stop(function(err, result) {
+  // bitcoind is stopped
+});
+
 You can log output from the daemon using:
 
 ``` bash

integration/index.js

@@ -38,6 +38,13 @@ describe('Basic Functionality', function() {
 
   });
 
+  after(function(done) {
+    this.timeout(20000);
+    bitcoind.stop(function(err, result) {
+      done();
+    });
+  });
+
   describe('will get correct block data', function() {
 
     blockData.forEach(function(data) {

src/bitcoindjs.cc

@@ -716,6 +716,9 @@ async_stop_node(uv_work_t *req) {
   async_node_data *data = static_cast<async_node_data*>(req->data);
   unhook_packets();
   StartShutdown();
+  while(!shutdown_complete) {
+    usleep(1E6);
+  }
   data->result = std::string("bitcoind shutdown.");
 }