* telling libev about fork's

core/fiber.m

@@ -1059,6 +1059,10 @@ spawn_child(const char *name, int inbox_size, struct tbuf *(*handler) (void *, s
 		c->out->flags |= FIBER_READING_INBOX;
 		return c;
 	} else {
+		/* it is safier to tell libev about fork, even
+		 * if child wont' use it. */
+		ev_default_fork();
+
 		char child_name[sizeof(fiber->name)];
 		/*
 		 * Move to an own process group, to not receive

core/replication.m

@@ -185,6 +185,7 @@ replication_prefork()
 		if (set_nonblock(master_to_spawner_sock) == -1)
 			panic("set_nonblock");
 	} else {
+		ev_default_fork();
 		/* child process: spawner */
 		close(sockpair[0]);
 		/*
@@ -411,7 +412,6 @@ spawner_shutdown()
 	/* kill all children */
 	spawner_shutdown_children();
 
-	//tarantool_free();
 	exit(EXIT_SUCCESS);
 }
 
@@ -452,6 +452,7 @@ spawner_create_replication_relay(int client_sock)
 	}
 
 	if (pid == 0) {
+		ev_default_fork();
 		close(spawner.sock);
 		replication_relay_loop(client_sock);
 	} else {