B 18\ @sZdZddlZddlZddlZddlZddlZddlmZdZdZ dZ Gdddej Z dS)arThis test case provides support for checking forking and wait behavior. To test different wait behavior, override the wait_impl method. We want fork1() semantics -- only the forking thread survives in the child after a fork(). On some systems (e.g. Solaris without posix threads) we find that all active threads survive in the child after a fork(); this is an error. Ng?c@s4eZdZddZddZddZddZd d Zd S) ForkWaitcCs t|_i|_d|_g|_dS)Nr)supportthreading_setup_threading_keyalivestopthreads)selfr R/oak/stanford/groups/akundaje/marinovg/programs/Python-3.7.3/Lib/test/fork_wait.pysetUps zForkWait.setUpcCs<d|_x|jD] }|qWd}|jtj|jdS)N)r r joinclearrthreading_cleanupr)r threadr r r tearDowns    zForkWait.tearDowncCsBx<|js s