diff --git a/include/MySQL_Thread.h b/include/MySQL_Thread.h
index 9ca92cf13a..e1915a549a 100644
--- a/include/MySQL_Thread.h
+++ b/include/MySQL_Thread.h
@@ -53,32 +53,6 @@ typedef struct _kill_queue_t {
 	std::vector<thr_id_usr *> query_ids;
 } kill_queue_t;
 
-class ProxySQL_Poll {
-	private:
-	void shrink();
-	void expand(unsigned int more);
-
-	public:
-	unsigned int len;
-	unsigned int size;
-	struct pollfd *fds;
-	MySQL_Data_Stream **myds;
-	unsigned long long *last_recv;
-	unsigned long long *last_sent;
-	std::atomic<bool> bootstrapping_listeners;
-	volatile int pending_listener_add;
-	volatile int pending_listener_del;
-	unsigned int poll_timeout;
-	unsigned long loops;
-	StatCounters *loop_counters;
-
-	ProxySQL_Poll();
-	~ProxySQL_Poll();
-	void add(uint32_t _events, int _fd, MySQL_Data_Stream *_myds, unsigned long long sent_time);
-	void remove_index_fast(unsigned int i);
-	int find_index(int fd);
-};
-
 enum MySQL_Thread_status_variable {
 	st_var_backend_stmt_prepare,
 	st_var_backend_stmt_execute,
@@ -256,25 +230,6 @@ class __attribute__((aligned(64))) MySQL_Thread
 typedef MySQL_Thread * create_MySQL_Thread_t();
 typedef void destroy_MySQL_Thread_t(MySQL_Thread *);
 
-class iface_info {
-	public:
-	char *iface;
-	char *address;
-	int port;
-	int fd;
-	iface_info(char *_i, char *_a, int p, int f) {
-		iface=strdup(_i);
-		address=strdup(_a);
-		port=p;
-		fd=f;
-	}
-	~iface_info() {
-		free(iface);
-		free(address);
-		close(fd);
-	}
-};
-
 class MySQL_Listeners_Manager {
 	private:
 	PtrArray *ifaces;
diff --git a/include/ProxySQL_Poll.h b/include/ProxySQL_Poll.h
new file mode 100644
index 0000000000..5cfa3d1a48
--- /dev/null
+++ b/include/ProxySQL_Poll.h
@@ -0,0 +1,50 @@
+#ifndef __CLASS_PROXYSQL_POLL
+#define __CLASS_PROXYSQL_POLL
+
+//#include "MySQL_Data_Stream.h"
+
+class iface_info {
+	public:
+	char *iface;
+	char *address;
+	int port;
+	int fd;
+	iface_info(char *_i, char *_a, int p, int f) {
+		iface=strdup(_i);
+		address=strdup(_a);
+		port=p;
+		fd=f;
+	}
+	~iface_info() {
+		free(iface);
+		free(address);
+		close(fd);
+	}
+};
+
+class ProxySQL_Poll {
+	private:
+	void shrink();
+	void expand(unsigned int more);
+
+	public:
+	unsigned int len;
+	unsigned int size;
+	struct pollfd *fds;
+	MySQL_Data_Stream **myds;
+	unsigned long long *last_recv;
+	unsigned long long *last_sent;
+	std::atomic<bool> bootstrapping_listeners;
+	volatile int pending_listener_add;
+	volatile int pending_listener_del;
+	unsigned int poll_timeout;
+	unsigned long loops;
+	StatCounters *loop_counters;
+
+	ProxySQL_Poll();
+	~ProxySQL_Poll();
+	void add(uint32_t _events, int _fd, MySQL_Data_Stream *_myds, unsigned long long sent_time);
+	void remove_index_fast(unsigned int i);
+	int find_index(int fd);
+};
+#endif // __CLASS_PROXYSQL_POLL
diff --git a/include/cpp.h b/include/cpp.h
index f828d3452d..cb4c1dd8cd 100644
--- a/include/cpp.h
+++ b/include/cpp.h
@@ -2,6 +2,7 @@
 #include "MySQL_Thread.h"
 #include "MySQL_Session.h"
 #include "mysql_backend.h"
+#include "ProxySQL_Poll.h"
 //#include "MySQL_Data_Stream.h"
 #include "query_cache.hpp"
 #include "mysql_connection.h"
diff --git a/lib/Makefile b/lib/Makefile
index ee6b75fd2a..23d5190f04 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -145,7 +145,7 @@ default: libproxysql.a
 .PHONY: default
 
 _OBJ_CXX = ProxySQL_GloVars.oo network.oo debug.oo configfile.oo Query_Cache.oo SpookyV2.oo MySQL_Authentication.oo gen_utils.oo sqlite3db.oo mysql_connection.oo MySQL_HostGroups_Manager.oo mysql_data_stream.oo MySQL_Thread.oo MySQL_Session.oo MySQL_Protocol.oo mysql_backend.oo Query_Processor.oo ProxySQL_Admin.oo ProxySQL_Config.oo ProxySQL_Restapi.oo MySQL_Monitor.oo MySQL_Logger.oo thread.oo MySQL_PreparedStatement.oo ProxySQL_Cluster.oo ClickHouse_Authentication.oo ClickHouse_Server.oo ProxySQL_Statistics.oo Chart_bundle_js.oo ProxySQL_HTTP_Server.oo ProxySQL_RESTAPI_Server.oo font-awesome.min.css.oo main-bundle.min.css.oo set_parser.oo MySQL_Variables.oo c_tokenizer.oo proxysql_utils.oo proxysql_coredump.oo proxysql_sslkeylog.oo \
-  proxysql_find_charset.oo
+  proxysql_find_charset.oo ProxySQL_Poll.oo
 OBJ_CXX = $(patsubst %,$(ODIR)/%,$(_OBJ_CXX))
 HEADERS = ../include/*.h ../include/*.hpp
 
diff --git a/lib/MySQL_Thread.cpp b/lib/MySQL_Thread.cpp
index 7d23b6b207..945ebe332f 100644
--- a/lib/MySQL_Thread.cpp
+++ b/lib/MySQL_Thread.cpp
@@ -132,106 +132,6 @@ __thread unsigned int __thread_MySQL_Thread_Variables_version;
 volatile static unsigned int __global_MySQL_Thread_Variables_version;
 
 
-
-void ProxySQL_Poll::shrink() {
-	unsigned int new_size=l_near_pow_2(len+1);
-	fds=(struct pollfd *)realloc(fds,new_size*sizeof(struct pollfd));
-	myds=(MySQL_Data_Stream **)realloc(myds,new_size*sizeof(MySQL_Data_Stream *));
-	last_recv=(unsigned long long *)realloc(last_recv,new_size*sizeof(unsigned long long));
-	last_sent=(unsigned long long *)realloc(last_sent,new_size*sizeof(unsigned long long));
-	size=new_size;
-}
-
-void ProxySQL_Poll::expand(unsigned int more) {
-	if ( (len+more) > size ) {
-		unsigned int new_size=l_near_pow_2(len+more);
-		fds=(struct pollfd *)realloc(fds,new_size*sizeof(struct pollfd));
-		myds=(MySQL_Data_Stream **)realloc(myds,new_size*sizeof(MySQL_Data_Stream *));
-		last_recv=(unsigned long long *)realloc(last_recv,new_size*sizeof(unsigned long long));
-		last_sent=(unsigned long long *)realloc(last_sent,new_size*sizeof(unsigned long long));
-		size=new_size;
-	}
-}
-
-ProxySQL_Poll::ProxySQL_Poll() {
-	loop_counters=new StatCounters(15,10);
-	poll_timeout=0;
-	loops=0;
-	len=0;
-	pending_listener_add=0;
-	pending_listener_del=0;
-	bootstrapping_listeners = true;
-	size=MIN_POLL_LEN;
-	fds=(struct pollfd *)malloc(size*sizeof(struct pollfd));
-	myds=(MySQL_Data_Stream **)malloc(size*sizeof(MySQL_Data_Stream *));
-	last_recv=(unsigned long long *)malloc(size*sizeof(unsigned long long));
-	last_sent=(unsigned long long *)malloc(size*sizeof(unsigned long long));
-}
-
-
-ProxySQL_Poll::~ProxySQL_Poll() {
-	unsigned int i;
-	for (i=0;i<len;i++) {
-		if (
-			myds[i] && // fix bug #278 . This should be caused by not initialized datastreams used to ping the backend
-			myds[i]->myds_type==MYDS_LISTENER) {
-				delete myds[i];
-		}
-	}
-	free(myds);
-	free(fds);
-	free(last_recv);
-	free(last_sent);
-	delete loop_counters;
-}
-
-
-void ProxySQL_Poll::add(uint32_t _events, int _fd, MySQL_Data_Stream *_myds, unsigned long long sent_time) {
-	if (len==size) {
-		expand(1);
-	}
-	myds[len]=_myds;
-	fds[len].fd=_fd;
-	fds[len].events=_events;
-	fds[len].revents=0;
-	if (_myds) {
-		_myds->mypolls=this;
-		_myds->poll_fds_idx=len;  // fix a serious bug
-	}
-	last_recv[len]=monotonic_time();
-	last_sent[len]=sent_time;
-	len++;
-}
-
-void ProxySQL_Poll::remove_index_fast(unsigned int i) {
-	if ((int)i==-1) return;
-	myds[i]->poll_fds_idx=-1; // this prevents further delete
-	if (i != (len-1)) {
-		myds[i]=myds[len-1];
-		fds[i].fd=fds[len-1].fd;
-		fds[i].events=fds[len-1].events;
-		fds[i].revents=fds[len-1].revents;
-		myds[i]->poll_fds_idx=i;  // fix a serious bug
-		last_recv[i]=last_recv[len-1];
-		last_sent[i]=last_sent[len-1];
-	}
-	len--;
-	if ( ( len>MIN_POLL_LEN ) && ( size > len*MIN_POLL_DELETE_RATIO ) ) {
-		shrink();
-	}
-}
-
-int ProxySQL_Poll::find_index(int fd) {
-	unsigned int i;
-	for (i=0; i<len; i++) {
-		if (fds[i].fd==fd) {
-			return i;
-		}
-	}
-	return -1;
-}
-
-
 MySQL_Listeners_Manager::MySQL_Listeners_Manager() {
 	ifaces=new PtrArray();
 }
diff --git a/lib/ProxySQL_Poll.cpp b/lib/ProxySQL_Poll.cpp
new file mode 100644
index 0000000000..3a35c977ea
--- /dev/null
+++ b/lib/ProxySQL_Poll.cpp
@@ -0,0 +1,107 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include "StatCounters.h"
+#include "MySQL_Data_Stream.h"
+#include "ProxySQL_Poll.h"
+#include "proxysql_structs.h"
+#include <poll.h>
+#include "cpp.h"
+
+void ProxySQL_Poll::shrink() {
+	unsigned int new_size=l_near_pow_2(len+1);
+	fds=(struct pollfd *)realloc(fds,new_size*sizeof(struct pollfd));
+	myds=(MySQL_Data_Stream **)realloc(myds,new_size*sizeof(MySQL_Data_Stream *));
+	last_recv=(unsigned long long *)realloc(last_recv,new_size*sizeof(unsigned long long));
+	last_sent=(unsigned long long *)realloc(last_sent,new_size*sizeof(unsigned long long));
+	size=new_size;
+}
+
+void ProxySQL_Poll::expand(unsigned int more) {
+	if ( (len+more) > size ) {
+		unsigned int new_size=l_near_pow_2(len+more);
+		fds=(struct pollfd *)realloc(fds,new_size*sizeof(struct pollfd));
+		myds=(MySQL_Data_Stream **)realloc(myds,new_size*sizeof(MySQL_Data_Stream *));
+		last_recv=(unsigned long long *)realloc(last_recv,new_size*sizeof(unsigned long long));
+		last_sent=(unsigned long long *)realloc(last_sent,new_size*sizeof(unsigned long long));
+		size=new_size;
+	}
+}
+
+ProxySQL_Poll::ProxySQL_Poll() {
+	loop_counters=new StatCounters(15,10);
+	poll_timeout=0;
+	loops=0;
+	len=0;
+	pending_listener_add=0;
+	pending_listener_del=0;
+	bootstrapping_listeners = true;
+	size=MIN_POLL_LEN;
+	fds=(struct pollfd *)malloc(size*sizeof(struct pollfd));
+	myds=(MySQL_Data_Stream **)malloc(size*sizeof(MySQL_Data_Stream *));
+	last_recv=(unsigned long long *)malloc(size*sizeof(unsigned long long));
+	last_sent=(unsigned long long *)malloc(size*sizeof(unsigned long long));
+}
+
+
+ProxySQL_Poll::~ProxySQL_Poll() {
+	unsigned int i;
+	for (i=0;i<len;i++) {
+		if (
+			myds[i] && // fix bug #278 . This should be caused by not initialized datastreams used to ping the backend
+			myds[i]->myds_type==MYDS_LISTENER) {
+				delete myds[i];
+		}
+	}
+	free(myds);
+	free(fds);
+	free(last_recv);
+	free(last_sent);
+	delete loop_counters;
+}
+
+
+void ProxySQL_Poll::add(uint32_t _events, int _fd, MySQL_Data_Stream *_myds, unsigned long long sent_time) {
+	if (len==size) {
+		expand(1);
+	}
+	myds[len]=_myds;
+	fds[len].fd=_fd;
+	fds[len].events=_events;
+	fds[len].revents=0;
+	if (_myds) {
+		_myds->mypolls=this;
+		_myds->poll_fds_idx=len;  // fix a serious bug
+	}
+	last_recv[len]=monotonic_time();
+	last_sent[len]=sent_time;
+	len++;
+}
+
+void ProxySQL_Poll::remove_index_fast(unsigned int i) {
+	if ((int)i==-1) return;
+	myds[i]->poll_fds_idx=-1; // this prevents further delete
+	if (i != (len-1)) {
+		myds[i]=myds[len-1];
+		fds[i].fd=fds[len-1].fd;
+		fds[i].events=fds[len-1].events;
+		fds[i].revents=fds[len-1].revents;
+		myds[i]->poll_fds_idx=i;  // fix a serious bug
+		last_recv[i]=last_recv[len-1];
+		last_sent[i]=last_sent[len-1];
+	}
+	len--;
+	if ( ( len>MIN_POLL_LEN ) && ( size > len*MIN_POLL_DELETE_RATIO ) ) {
+		shrink();
+	}
+}
+
+int ProxySQL_Poll::find_index(int fd) {
+	unsigned int i;
+	for (i=0; i<len; i++) {
+		if (fds[i].fd==fd) {
+			return i;
+		}
+	}
+	return -1;
+}