CAgent::CheckAgents

static function CheckAgents()
{
	define("START_EXEC_AGENTS_1", microtime(true));

	define("BX_CHECK_AGENT_START", true);

	//For a while agents will execute only on primary cluster group
	if((defined("NO_AGENT_CHECK") && NO_AGENT_CHECK===true) || (defined("BX_CLUSTER_GROUP") && BX_CLUSTER_GROUP !== 1))
		return null;

	$res = CAgent::ExecuteAgents();

	define("START_EXEC_AGENTS_2", microtime(true));

	return $res;
}