Signature:

Arguments:

• option - One of the following options

  • collect - Performs a full garbage collection cycle
  • count - Returns the total Lua memory usage (in kilobytes)
  • restart - Restarts the garbage collector
  • setpause - Sets the garbage collector's pause percentage to arg; e.g., if 200, the collector waits for memory usage to double before starting a new cycle
  • setstepmul - Sets the garbage collector's speed (as a percentage relative to memory allocation) to arg; e.g., if 200, the collector runs twice as fast as memory is allocated
  • step - Performs a garbage collection step, with size arg
  • stop - Stops the garbage collector

• arg - Argument applicable to some options