test-parallel.lua

EButtons = { Left = 1, Right = 2, Middle = 3 }

local function leftClickHandler()
    while true do
        local _, button, x, y = os.pullEvent("mouse_click")
        if (button == EButtons.Left) then
            print(("Left button was pressed at %d, %d"):format(button, x, y))
        end
    end
end

local function rightClickHandler()
    while true do
        local _, button, x, y = os.pullEvent("mouse_click")
        if (button == EButtons.Right) then
            print(("Right button was pressed at %d, %d"):format(button, x, y))
        end
    end
end

parallel.waitForAll(leftClickHandler, rightClickHandler)