diff --git a/src/bin/pgbench/pgbench.c b/src/bin/pgbench/pgbench.c
index 23256fb..0b2a2f9 100644
--- a/src/bin/pgbench/pgbench.c
+++ b/src/bin/pgbench/pgbench.c
@@ -229,16 +229,15 @@ typedef struct
 	PGconn	   *con;			/* connection handle to DB */
 	int			id;				/* client No. */
 	int			state;			/* state No. */
-	int			listen;			/* 0 indicates that an async query has been
-								 * sent */
-	int			sleeping;		/* 1 indicates that the client is napping */
+	bool		listen;			/* whether an async query has been sent */
+	bool		is_throttled;	/* whether transaction throttling is done */
+	bool		sleeping;		/* whether the client is napping */
 	bool		throttling;		/* whether nap is for throttling */
 	Variable   *variables;		/* array of variable definitions */
 	int			nvariables;
 	int64		txn_scheduled;	/* scheduled start time of transaction (usec) */
 	instr_time	txn_begin;		/* used for measuring schedule lag times */
 	instr_time	stmt_begin;		/* used for measuring statement latencies */
-	bool		is_throttled;	/* whether transaction throttling is done */
 	int			use_file;		/* index in sql_scripts for this client */
 	bool		prepared[MAX_SCRIPTS]; /* whether client prepared the script */
 
@@ -1264,7 +1263,7 @@ top:
 			}
 		}
 
-		st->sleeping = 1;
+		st->sleeping = true;
 		st->throttling = true;
 		st->is_throttled = true;
 		if (debug)
@@ -1279,7 +1278,7 @@ top:
 		if (INSTR_TIME_GET_MICROSEC(now) < st->txn_scheduled)
 			return true;		/* Still sleeping, nothing to do here */
 		/* Else done sleeping, go ahead with next command */
-		st->sleeping = 0;
+		st->sleeping = false;
 		st->throttling = false;
 	}
 
@@ -1375,9 +1374,9 @@ top:
 			 * nothing to listen to right now.  When throttling rate limits
 			 * are active, a sleep will happen next, as the next transaction
 			 * starts.  And then in any case the next SQL command will set
-			 * listen back to 1.
+			 * listen back to true.
 			 */
-			st->listen = 0;
+			st->listen = false;
 			trans_needs_throttle = (throttle_delay > 0);
 		}
 	}
@@ -1500,7 +1499,7 @@ top:
 			st->ecnt++;
 		}
 		else
-			st->listen = 1;		/* flags that should be listened */
+			st->listen = true;		/* flags that should be listened */
 	}
 	else if (commands[st->state]->type == META_COMMAND)
 	{
@@ -1651,7 +1650,7 @@ top:
 				return true;
 			}
 
-			st->listen = 1;
+			st->listen = true;
 		}
 		else if (pg_strcasecmp(argv[0], "set") == 0)
 		{
@@ -1672,7 +1671,7 @@ top:
 				return true;
 			}
 
-			st->listen = 1;
+			st->listen = true;
 		}
 		else if (pg_strcasecmp(argv[0], "sleep") == 0)
 		{
@@ -1706,9 +1705,9 @@ top:
 
 			INSTR_TIME_SET_CURRENT(now);
 			st->txn_scheduled = INSTR_TIME_GET_MICROSEC(now) + usec;
-			st->sleeping = 1;
+			st->sleeping = true;
 
-			st->listen = 1;
+			st->listen = true;
 		}
 		else if (pg_strcasecmp(argv[0], "setshell") == 0)
 		{
@@ -1722,7 +1721,7 @@ top:
 				return true;
 			}
 			else	/* succeeded */
-				st->listen = 1;
+				st->listen = true;
 		}
 		else if (pg_strcasecmp(argv[0], "shell") == 0)
 		{
@@ -1736,7 +1735,7 @@ top:
 				return true;
 			}
 			else	/* succeeded */
-				st->listen = 1;
+				st->listen = true;
 		}
 
 		/* after a meta command, immediately proceed with next command */
@@ -2822,12 +2821,14 @@ main(int argc, char **argv)
 		{"initialize", no_argument, NULL, 'i'},
 		{"jobs", required_argument, NULL, 'j'},
 		{"log", no_argument, NULL, 'l'},
+		{"latency-limit", required_argument, NULL, 'L'},
 		{"no-vacuum", no_argument, NULL, 'n'},
 		{"port", required_argument, NULL, 'p'},
 		{"progress", required_argument, NULL, 'P'},
 		{"protocol", required_argument, NULL, 'M'},
 		{"quiet", no_argument, NULL, 'q'},
 		{"report-latencies", no_argument, NULL, 'r'},
+		{"rate", required_argument, NULL, 'R'},
 		{"scale", required_argument, NULL, 's'},
 		{"select-only", no_argument, NULL, 'S'},
 		{"skip-some-updates", no_argument, NULL, 'N'},
@@ -2842,8 +2843,6 @@ main(int argc, char **argv)
 		{"unlogged-tables", no_argument, &unlogged_tables, 1},
 		{"sampling-rate", required_argument, NULL, 4},
 		{"aggregate-interval", required_argument, NULL, 5},
-		{"rate", required_argument, NULL, 'R'},
-		{"latency-limit", required_argument, NULL, 'L'},
 		{"progress-timestamp", no_argument, NULL, 6},
 		{NULL, 0, NULL, 0}
 	};
@@ -3652,7 +3651,7 @@ threadRun(void *arg)
 				{
 					/* interrupt client which has not started a transaction */
 					remains--;
-					st->sleeping = 0;
+					st->sleeping = false;
 					st->throttling = false;
 					PQfinish(st->con);
 					st->con = NULL;