Signal manager thread role (#4565)

nano/lib/signal_manager.cpp

@@ -1,4 +1,5 @@
 #include <nano/lib/signal_manager.hpp>
+#include <nano/lib/thread_roles.hpp>
 #include <nano/lib/utility.hpp>
 
 #include <boost/asio.hpp>
@@ -10,7 +11,8 @@
 nano::signal_manager::signal_manager () :
 	work (boost::asio::make_work_guard (ioc))
 {
-	smthread = boost::thread ([&ioc = ioc] () {
+	thread = std::thread ([&ioc = ioc] () {
+		nano::thread_role::set (nano::thread_role::name::signal_manager);
 		ioc.run ();
 	});
 }
@@ -21,7 +23,7 @@ nano::signal_manager::~signal_manager ()
 	/// io_context::run() function will exit once all other work has completed.
 	work.reset ();
 	ioc.stop ();
-	smthread.join ();
+	thread.join ();
 }
 
 nano::signal_manager::signal_descriptor::signal_descriptor (std::shared_ptr<boost::asio::signal_set> sigset_a, signal_manager & sigman_a, std::function<void (int)> handler_func_a, bool repeat_a) :

nano/lib/signal_manager.hpp

@@ -4,11 +4,11 @@
 
 #include <boost/asio.hpp>
 #include <boost/system/error_code.hpp>
-#include <boost/thread.hpp>
 
 #include <iostream>
 #include <memory>
 #include <string>
+#include <thread>
 #include <vector>
 
 namespace nano
@@ -73,7 +73,7 @@ private:
 	std::vector<signal_descriptor> descriptor_list;
 
 	/** thread to service the signal manager io context */
-	boost::thread smthread;
+	std::thread thread;
 };
 
 }

nano/lib/thread_roles.cpp

@@ -125,6 +125,9 @@ std::string nano::thread_role::get_string (nano::thread_role::name role)
 		case nano::thread_role::name::network_reachout:
 			thread_role_name_string = "Net reachout";
 			break;
+		case nano::thread_role::name::signal_manager:
+			thread_role_name_string = "Signal manager";
+			break;
 		default:
 			debug_assert (false && "nano::thread_role::get_string unhandled thread role");
 	}

nano/lib/thread_roles.hpp

@@ -48,6 +48,7 @@ enum class name
 	network_cleanup,
 	network_keepalive,
 	network_reachout,
+	signal_manager,
 };
 
 std::string_view to_string (name);