os.wait() losing child?

[Jason Zheng]

greg wrote:
> Jason Zheng wrote:
>> while (True):
>>   pid = os.wait()
>>   ...
>>   if (someCondition):
>>     break
>  >   ...
> 
> Are you sure that someCondition() always becomes true
> when the list of pids is empty? If not, you may end
> up making more wait() calls than there are children.
> 

Regardless of the nature of the someCondition, what I see from the print 
output of my python program is that some child processes never triggers 
the unblocking of os.wait() call.

~Jason