chore: patch net.xx files (#205)

Author: naqvis

src/net.cpp

@@ -28,10 +28,14 @@
 namespace pipy {
 
 Net* Net::s_main = nullptr;
-thread_local Net Net::s_current;
+
+auto Net::current() -> Net& {
+  static thread_local Net s_current;
+  return s_current;
+}
 
 void Net::init() {
-  s_main = &s_current;
+  s_main = &current();
 
 #ifdef _WIN32
   asio::detail::win_thread::set_terminate_threads(true);

src/net.hpp

@@ -48,15 +48,13 @@ class Net {
     return *s_main;
   }
 
-  static auto current() -> Net& {
-    return s_current;
-  }
+  static auto current() -> Net&;
 
   static auto context() -> asio::io_context& {
-    return s_current.m_io_context;
+    return current().m_io_context;
   }
 
-  static bool is_main() { return &s_current == s_main; }
+  static bool is_main() { return &current() == s_main; }
 
   auto io_context() -> asio::io_context& { return m_io_context; }
   bool is_running() const { return m_is_running; }
@@ -72,7 +70,6 @@ class Net {
   asio::io_context m_io_context;
   bool m_is_running;
   static Net* s_main;
-  static thread_local Net s_current;
 };
 
 //