event/Thread: start the thread in the constructor

This is the proper fix for the e309941646 regression; see
commit abc8420697

test/DumpDatabase.cxx

@@ -28,12 +28,6 @@ class GlobalInit {
 	EventThread io_thread;
 
 public:
-	GlobalInit() {
-		io_thread.Start();
-	}
-
-	~GlobalInit() = default;
-
 	EventLoop &GetEventLoop() {
 		return io_thread.GetEventLoop();
 	}

test/DumpOgg.cxx

@@ -24,7 +24,6 @@ try {
 	const char *path = argv[1];
 
 	EventThread io_thread;
-	io_thread.Start();
 
 	const ScopeInputPluginsInit input_plugins_init(ConfigData(),
 						       io_thread.GetEventLoop());

test/RunChromaprint.cxx

@@ -84,8 +84,6 @@ public:
 		 input_plugins_init(config, io_thread.GetEventLoop()),
 		 decoder_plugins_init(config)
 	{
-		io_thread.Start();
-
 		pcm_convert_global_init(config);
 	}
 };

test/dump_playlist.cxx

@@ -47,7 +47,6 @@ try {
 	const auto config = AutoLoadConfigFile(config_path);
 
 	EventThread io_thread;
-	io_thread.Start();
 
 	const ScopeInputPluginsInit input_plugins_init(config, io_thread.GetEventLoop());
 	const ScopePlaylistPluginsInit playlist_plugins_init(config);

test/dump_text_file.cxx

@@ -34,7 +34,6 @@ public:
 	explicit GlobalInit(Path config_path)
 		:config(AutoLoadConfigFile(config_path))
 	{
-		io_thread.Start();
 	}
 };
 

test/read_tags.cxx

@@ -86,7 +86,6 @@ try {
 	const char *path = argv[2];
 
 	EventThread io_thread;
-	io_thread.Start();
 
 	const ScopeInputPluginsInit input_plugins_init(ConfigData(),
 						       io_thread.GetEventLoop());

test/run_decoder.cxx

@@ -91,7 +91,6 @@ public:
 		 input_plugins_init(config, io_thread.GetEventLoop()),
 		 decoder_plugins_init(config)
 	{
-		io_thread.Start();
 	}
 };
 

test/run_input.cxx

@@ -130,7 +130,6 @@ public:
 	explicit GlobalInit(Path config_path)
 		:config(AutoLoadConfigFile(config_path))
 	{
-		io_thread.Start();
 	}
 };
 

test/run_output.cxx

@@ -158,7 +158,6 @@ try {
 	const auto config = AutoLoadConfigFile(c.config_path);
 
 	EventThread io_thread;
-	io_thread.Start();
 
 	/* initialize the audio output */
 

test/run_storage.cxx

@@ -114,7 +114,6 @@ public:
 	GlobalInit(Path config_path)
 		:config(AutoLoadConfigFile(config_path))
 	{
-		io_thread.Start();
 	}
 
 	EventLoop &GetEventLoop() noexcept {

test/visit_archive.cxx

@@ -35,7 +35,6 @@ public:
 	explicit GlobalInit(Path config_path)
 		:config(AutoLoadConfigFile(config_path))
 	{
-		io_thread.Start();
 	}
 };