Changes in mysql_servers will automatically trigger a signal_all_threads()

lib/MySQL_HostGroups_Manager.cpp

@@ -9,7 +9,7 @@
 
 
 
-
+extern MySQL_Threads_Handler *GloMTH;
 
 
 class MySrvConnList;
@@ -317,6 +317,9 @@ bool MySQL_HostGroups_Manager::commit() {
 	generate_mysql_servers_table();
 
 	wrunlock();
+	if (GloMTH) {
+		GloMTH->signal_all_threads(1);
+	}
 	return true;
 }
 

lib/MySQL_Thread.cpp

@@ -1804,6 +1804,7 @@ SQLite3_result * MySQL_Threads_Handler::SQL3_Processlist() {
 void MySQL_Threads_Handler::signal_all_threads(unsigned char _c) {
 	unsigned int i;
 	unsigned char c=_c;
+	if (mysql_threads==0) return;
 	for (i=0;i<num_threads;i++) {
 		MySQL_Thread *thr=(MySQL_Thread *)mysql_threads[i].worker;
 		int fd=thr->pipefd[1];