Using the python multiprocessing module for IO with pygame on Mac OS 10.7

Question

I use pygame for running experiments in cognitive science, and often I have heavy I/O demands so I like to fork off these tasks to separate processes (when using a multi-core ma

Answer 1

Maybe you should initialize the pygame (which initialize SDL-> OpenGL) in each forked (child) process like in sample:

import multiprocessing

def f():
  import pygame
  pygame.init()

  while True:
    pygame.event.pump()

if __module__ == "__main__"
  p = multiprocessing.Process(target=f)
  p.start()

  import pygame
  pygame.init()

  while True:
    pygame.event.pump()