add WINIX_PLUGIN_QUIT and WINIX_QUIT plugins messages

While here:
- rename WINIX_CLOSE to WINIX_PREPARE_TO_CLOSE

winixd/core/app.cpp

@@ -408,7 +408,7 @@ void App::Close()
 	{
 		Winix::Lock lock(synchro);
 
-		plugin.Call((Winix::Session*)0, WINIX_CLOSE);
+		plugin.Call((Winix::Session*)0, WINIX_PREPARE_TO_CLOSE);
 
 		session_manager.SaveSessions();
 		session_manager.DeleteSessions();
@@ -421,6 +421,17 @@ void App::Close()
 
 	WaitForThreads();
 	// now all others threads are terminated
+
+	/*
+	 * at the moment plugins are removed when winix is finishing
+	 * but in the future we can add plug-in removal before the end
+	 */
+	plugin.Call(nullptr, WINIX_PLUGIN_QUIT);
+
+	/*
+	 * this is the last message for plugins
+	 */
+	plugin.Call(nullptr, WINIX_QUIT);
 }
 
 

winixd/core/pluginmsg.h

@@ -107,10 +107,14 @@ namespace Winix
 // in l1 you have the old session id
 #define WINIX_SESSION_REMOVED				30029
 
-// the winix is closing
+// the winix is being closing
 // there is not any sessions available (cur->session is null)
 // session pointer is null
-#define WINIX_CLOSE							30040
+#define WINIX_PREPARE_TO_CLOSE				30040
+
+// winix has been closes, all other threads are stopped now, this is a last message for the main thread
+// there is not any sessions available (cur->session is null)
+#define WINIX_QUIT							30041
 
 // preparing to remove a file (rm function)
 // in p1 you have a pointer to the Item struct (file)
@@ -142,6 +146,11 @@ namespace Winix
 // session pointer is null
 #define WINIX_PLUGIN_INIT					30080	
 
+// winix is ready to remove a plugin
+// you can clear some plugin data here e.g. controllers
+// all other threads are stopped now
+#define WINIX_PLUGIN_QUIT					30081
+
 // here you can add your own mount point, file systems, mount parameters
 // for adding a new mount type call: system->mounts.AddMountType("new_mount_name")
 // session pointer is null

winixd/plugins/stats/init.cpp

@@ -230,7 +230,7 @@ using namespace Stats;
 	info.plugin->Assign(WINIX_CONTENT_MAKE,					ContentMake);
 	info.plugin->Assign(WINIX_SESSION_CREATED,				SessionCreated);
 	info.plugin->Assign(WINIX_PLUGIN_SESSION_DATA_REMOVE,	RemoveSession);
-	info.plugin->Assign(WINIX_CLOSE,						Close);
+	info.plugin->Assign(WINIX_PREPARE_TO_CLOSE,						Close);
 	info.plugin->Assign(WINIX_FILE_REMOVED,					RemoveFile);
 	info.plugin->Assign(WINIX_DIR_PREPARE_TO_REMOVE,		RemoveDir);