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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_9lbll8s2lacfji930a1lrm02i2, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
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<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
transient sclass RSTOverQ implements Runnable {
  Runnable runnable;
  Q q = startQ();
  F0<AutoCloseable> enter; // optional ownership marker, e.g. for DynModules
  bool trigger, running;

  *(Runnable *runnable) {}
  *(Runnable *runnable, Q *q) {}

  void trigger() { go(); }
  synchronized void go() {
    if (trigger) ret;
    trigger = true;
    if (!running)
      q.add(r _run);
    }
  }
  public void run() { go(); }
  void get() { go(); } // so you can use the ! syntax
  
  synchronized bool running() { ret running; }
  
  void _run() {
    synchronized(this) {
      if (!trigger)
        ret;
      running = true;
      trigger = false;
    }

    try {
      temp callF(enter);
      pcallF(runnable);
    } finally {
      synchronized(this) {
        running = false;
      }
    }
  }
  
  synchronized bool triggered() { ret trigger; }
}