From 7b16ce6770a009a606c56a79b6df4494eafb099b Mon Sep 17 00:00:00 2001
From: Tao He <sighingnow@gmail.com>
Date: Tue, 27 Apr 2021 22:23:43 +0800
Subject: [PATCH] Wait: wait without callback, otherwise there will be
 use-after-dtor.

Signed-off-by: Tao He <sighingnow@gmail.com>
---
 src/Watcher.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Watcher.cpp b/src/Watcher.cpp
index 89b979c..e02c873 100644
--- a/src/Watcher.cpp
+++ b/src/Watcher.cpp
@@ -107,7 +107,7 @@ void etcd::Watcher::Wait(std::function<void(bool)> callback)
   currentTask.then([this, callback](pplx::task<void> const & resp_task) {
     resp_task.wait();
     callback(this->stubs->call->Cancelled());
-  });
+  }).wait();
 }
 
 void etcd::Watcher::Cancel()