11     pid = os.fork()
12     if pid:
14         return pid
56 def _check_for_subprocess_exception(temp_dir, pid):  argument
57     ename = temp_dir + "/debug/error-%d" % pid
81 def fork_waitfor(tmp, pid):  argument
82     (pid, status) = os.waitpid(pid, 0)
84     _check_for_subprocess_exception(tmp, pid)
89 def fork_waitfor_timed(tmp, pid, timeout):  argument
99         (child_pid, status) = os.waitpid(pid, os.WNOHANG)
107         logging.info('Timer expired (%d sec.), nuking pid %d', timeout, pid)
108         utils.nuke_pid(pid)
109         (child_pid, status) = os.waitpid(pid, 0)
112         _check_for_subprocess_exception(tmp, pid)
117 def fork_nuke_subprocess(tmp, pid):  argument
118     utils.nuke_pid(pid)
119     _check_for_subprocess_exception(tmp, pid)