Code: Alles auswählen
local posix = require "posix"
local pid = posix.fork()
if pid == 0 then
-- this is the child process
print(posix.getpid('pid') .. ": child process")
else
-- this is the parent process
print(posix.getpid('pid') .. ": parent process")
-- wait for the child process to finish
posix.wait(pid)
end
-- both processes get here
print(posix.getpid('pid') .. ": quitting")Code: Alles auswählen
timeout = 120 -- Wartezyklen (jeweils 500 ms)Code: Alles auswählen
...
repeat
os.execute('wget -q -O - '..image..' > /tmp/iss-location.jpg')
if size_x == size_tv_x
then
p_tv:paint()
else
start_x = math.random(x_beg, x_end)
start_y = math.random(y_beg, y_end)
p:hide()
p = cpicture.new{x=start_x, y=start_y, dx=size_x, dy=size_y, image='/tmp/iss-location.jpg'}
p:paint()
end
i = 0
repeat
i = i + 1
msg, data = n:GetInput(500)
until msg == RC.ok or msg == RC.home or msg == RC.red or i == timeout
Code: Alles auswählen
local posix = require "posix"
local pid = posix.fork()
if pid == 0 then
-- Kindprozess
tick = 0
time = 0
running = true
function sleep(n)
os.execute("sleep " .. tonumber(n))
end
function change_picture()
print("Code zum Bild wechseln")
end
function timer()
tick = tick+1
if tick == 60 then
time = time+1
tick = 0
end
if tick == 15 then
change_picture()
end
sleep(1)
end
running = true
while running do
timer()
end
end
-- restliches Programm