From 4d3b61a31bf8b3ccb9ec78cf695e926964d8d82a Mon Sep 17 00:00:00 2001
From: Lee Clagett <code@leeclagett.com>
Date: Sun, 10 Feb 2019 13:40:32 -0500
Subject: Use io_service::work in epee tcp server

---
 contrib/epee/include/net/abstract_tcp_server2.h   | 11 ++++++++++-
 contrib/epee/include/net/abstract_tcp_server2.inl |  9 ++++-----
 2 files changed, 14 insertions(+), 6 deletions(-)

(limited to 'contrib')

diff --git a/contrib/epee/include/net/abstract_tcp_server2.h b/contrib/epee/include/net/abstract_tcp_server2.h
index 37f4c782d..6f9e4db5b 100644
--- a/contrib/epee/include/net/abstract_tcp_server2.h
+++ b/contrib/epee/include/net/abstract_tcp_server2.h
@@ -330,7 +330,16 @@ namespace net_utils
     const boost::shared_ptr<typename connection<t_protocol_handler>::shared_state> m_state;
 
     /// The io_service used to perform asynchronous operations.
-    std::unique_ptr<boost::asio::io_service> m_io_service_local_instance;
+    struct worker
+    {
+      worker()
+        : io_service(), work(io_service)
+      {}
+
+      boost::asio::io_service io_service;
+      boost::asio::io_service::work work;
+    };
+    std::unique_ptr<worker> m_io_service_local_instance;
     boost::asio::io_service& io_service_;    
 
     /// Acceptor used to listen for incoming connections.
diff --git a/contrib/epee/include/net/abstract_tcp_server2.inl b/contrib/epee/include/net/abstract_tcp_server2.inl
index 9c89a18cf..eda4d7f7b 100644
--- a/contrib/epee/include/net/abstract_tcp_server2.inl
+++ b/contrib/epee/include/net/abstract_tcp_server2.inl
@@ -809,8 +809,8 @@ PRAGMA_WARNING_DISABLE_VS(4355)
   template<class t_protocol_handler>
   boosted_tcp_server<t_protocol_handler>::boosted_tcp_server( t_connection_type connection_type ) :
     m_state(boost::make_shared<typename connection<t_protocol_handler>::shared_state>()),
-    m_io_service_local_instance(new boost::asio::io_service()),
-    io_service_(*m_io_service_local_instance.get()),
+    m_io_service_local_instance(new worker()),
+    io_service_(m_io_service_local_instance->io_service),
     acceptor_(io_service_),
     default_remote(),
     m_stop_signal_sent(false), m_port(0), 
@@ -919,9 +919,8 @@ POP_WARNINGS
     {
       try
       {
-        size_t cnt = io_service_.run();
-        if (cnt == 0)
-          misc_utils::sleep_no_w(1);
+        io_service_.run();
+        return true;
       }
       catch(const std::exception& ex)
       {
-- 
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