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Warning: session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in /var/www/tb-usercake/models/config.php on line 51
!7 static int serveLongPoll_checkInterval = 100; // f: func -> O (null or empty string if no result yet) sS serveLongPoll(long timeout, O f) { long startTime = sysNow(); while (sysNow() < startTime+timeout) { O o = callF(f); if (nempty(o)) ret o; sleep(serveLongPoll_checkInterval); } ret ""; }