diff --git a/src/include/pcp/libpcp_ext.h b/src/include/pcp/libpcp_ext.h
index 430a752..f8d97fa 100755
--- a/src/include/pcp/libpcp_ext.h
+++ b/src/include/pcp/libpcp_ext.h
@@ -293,6 +293,7 @@ extern PCPResultInfo * pcp_node_info(PCPConnInfo * pcpCon, int nid);
 
 extern PCPResultInfo * pcp_process_count(PCPConnInfo * pcpConn);
 extern PCPResultInfo * pcp_process_info(PCPConnInfo * pcpConn, int pid);
+extern PCPResultInfo * pcp_reload_config(PCPConnInfo * pcpConn);
 
 extern PCPResultInfo * pcp_detach_node(PCPConnInfo * pcpConn, int nid);
 extern PCPResultInfo * pcp_detach_node_gracefully(PCPConnInfo * pcpConn, int nid);
diff --git a/src/libs/pcp/pcp.c b/src/libs/pcp/pcp.c
index 8a982ad..b1ee0c4 100755
--- a/src/libs/pcp/pcp.c
+++ b/src/libs/pcp/pcp.c
@@ -460,6 +460,13 @@ static PCPResultInfo * process_pcp_response(PCPConnInfo * pcpConn, char sentMsg)
 				else
 					process_command_complete_response(pcpConn, buf, rsize);
 				break;
+			
+			case 'z':
+				if (sentMsg != 'Z')
+					setResultStatus(pcpConn, PCP_RES_BAD_RESPONSE);
+				else
+					process_command_complete_response(pcpConn, buf, rsize);
+				break;
 
 			case 'w':
 				if (sentMsg != 'W')
@@ -893,6 +900,29 @@ pcp_process_count(PCPConnInfo * pcpConn)
 	return process_pcp_response(pcpConn, 'N');
 }
 
+PCPResultInfo *
+pcp_reload_config(PCPConnInfo * pcpConn)
+{
+	int			wsize;
+
+	if (PCPConnectionStatus(pcpConn) != PCP_CONNECTION_OK)
+	{
+		pcp_internal_error(pcpConn, "invalid PCP connection");
+		return NULL;
+	}
+
+	pcp_write(pcpConn->pcpConn, "Z", 1);
+	wsize = htonl(sizeof(int));
+	pcp_write(pcpConn->pcpConn, &wsize, sizeof(int));
+	if (PCPFlush(pcpConn) < 0)
+		return NULL;
+	if (pcpConn->Pfdebug)
+		fprintf(pcpConn->Pfdebug, "DEBUG: send: tos=\"Z\", len=%d\n", ntohl(wsize));
+
+	return process_pcp_response(pcpConn, 'Z');
+}
+
+
 static void
 free_processInfo(struct PCPConnInfo *pcpConn, void *ptr)
 {
diff --git a/src/pcp_con/pcp_worker.c b/src/pcp_con/pcp_worker.c
index db4b360..e538dfc 100755
--- a/src/pcp_con/pcp_worker.c
+++ b/src/pcp_con/pcp_worker.c
@@ -74,6 +74,7 @@ static void inform_process_info(PCP_CONNECTION * frontend, char *buf);
 static void inform_watchdog_info(PCP_CONNECTION * frontend, char *buf);
 static void inform_node_info(PCP_CONNECTION * frontend, char *buf);
 static void inform_node_count(PCP_CONNECTION * frontend);
+static void process_reload_config(PCP_CONNECTION * frontend);
 static void process_detach_node(PCP_CONNECTION * frontend, char *buf, char tos);
 static void process_attach_node(PCP_CONNECTION * frontend, char *buf);
 static void process_recovery_request(PCP_CONNECTION * frontend, char *buf);
@@ -87,6 +88,7 @@ static void pcp_worker_will_go_down(int code, Datum arg);
 static void do_pcp_flush(PCP_CONNECTION * frontend);
 static void do_pcp_read(PCP_CONNECTION * pc, void *buf, int len);
 
+
 /*
  * main entry pont of pcp worker child process
  */
@@ -306,6 +308,11 @@ pcp_process_command(char tos, char *buf, int buf_len)
 			process_status_request(pcp_frontend);
 			break;
 
+		case 'Z':				/* status request */
+			set_ps_display("PCP: processing reload config request", false);
+			process_reload_config(pcp_frontend);
+			break;
+
 		case 'J':				/* promote node */
 		case 'j':				/* promote node gracefully */
 			set_ps_display("PCP: processing promote node request", false);
@@ -915,6 +922,33 @@ inform_node_count(PCP_CONNECTION * frontend)
 			 errdetail("%d node(s) found", node_count)));
 }
 
+static void
+process_reload_config(PCP_CONNECTION * frontend)
+{
+	ereport(DEBUG1,
+			(errmsg("PCP: processing reload config"),
+			 errdetail("reload config file begin")));
+
+	char		code[] = "CommandComplete";
+	char		err_code[] = "CommandError";
+	int wsize;
+	
+	if(kill(mypid,SIGHUP) == -1)
+	{
+		memset(code,0x0,sizeof(code));
+		memcpy(code,err_code,strlen(err_code)+1);
+	}
+	pcp_write(frontend, "z", 1);
+	wsize = htonl(sizeof(code) + sizeof(int));
+	pcp_write(frontend, &wsize, sizeof(int));
+	pcp_write(frontend, code, sizeof(code));
+	do_pcp_flush(frontend);
+	ereport(DEBUG1,
+			(errmsg("PCP: processing reload config"),
+			 errdetail("reload config file end")));
+}
+
+
 static void
 process_detach_node(PCP_CONNECTION * frontend, char *buf, char tos)
 {
diff --git a/src/tools/pcp/Makefile.am b/src/tools/pcp/Makefile.am
index 19fbaeb..932e837 100755
--- a/src/tools/pcp/Makefile.am
+++ b/src/tools/pcp/Makefile.am
@@ -11,7 +11,8 @@ bin_PROGRAMS =  pcp_stop_pgpool \
 				pcp_recovery_node \
 				pcp_promote_node \
 				pcp_pool_status \
-				pcp_watchdog_info
+				pcp_watchdog_info\
+				pcp_reload_config
 
 client_sources = pcp_frontend_client.c ../fe_memutils.c ../../utils/sprompt.c ../../utils/pool_path.c
 
@@ -37,4 +38,6 @@ pcp_promote_node_SOURCES = $(client_sources)
 pcp_promote_node_LDADD = $(libs_dir)/pcp/libpcp.la
 pcp_watchdog_info_SOURCES = $(client_sources)
 pcp_watchdog_info_LDADD = $(libs_dir)/pcp/libpcp.la
+pcp_reload_config_SOURCES = $(client_sources)
+pcp_reload_config_LDADD = $(libs_dir)/pcp/libpcp.la
 
diff --git a/src/tools/pcp/pcp_frontend_client.c b/src/tools/pcp/pcp_frontend_client.c
index fa81557..19ed50a 100755
--- a/src/tools/pcp/pcp_frontend_client.c
+++ b/src/tools/pcp/pcp_frontend_client.c
@@ -65,6 +65,7 @@ typedef enum
 	PCP_RECOVERY_NODE,
 	PCP_STOP_PGPOOL,
 	PCP_WATCHDOG_INFO,
+	PCP_RELOAD_CONFIG,
 	UNKNOWN,
 }			PCP_UTILITIES;
 
@@ -89,6 +90,7 @@ struct AppTypes AllAppTypes[] =
 	{"pcp_recovery_node", PCP_RECOVERY_NODE, "n:h:p:U:wWvd", "recover a node"},
 	{"pcp_stop_pgpool", PCP_STOP_PGPOOL, "m:h:p:U:wWvd", "terminate pgpool-II"},
 	{"pcp_watchdog_info", PCP_WATCHDOG_INFO, "n:h:p:U:wWvd", "display a pgpool-II watchdog's information"},
+	{"pcp_reload_config",PCP_RELOAD_CONFIG,"n:h:p:U:wWvd", "reload a pgpool-II config file"},
 	{NULL, UNKNOWN, NULL, NULL},
 };
 struct AppTypes *current_app_type;
@@ -403,7 +405,12 @@ main(int argc, char **argv)
 	{
 		pcpResInfo = pcp_watchdog_info(pcpConn, nodeID);
 	}
-
+	
+	else if (current_app_type->app_type == PCP_RELOAD_CONFIG)
+	{
+		pcpResInfo = pcp_reload_config(pcpConn);
+	}
+	
 	else
 	{
 		/* should never happen */