Python3 Multiprocessing

Devyn Collier Johnson devyncjohnson at gmail.com
Fri Aug 9 16:43:36 EDT 2013


On 08/09/2013 03:44 PM, MRAB wrote:
> On 09/08/2013 20:30, Devyn Collier Johnson wrote:
>> Aloha!
>>
>>      I need a command that will make threads created by
>> "multiprocessing.Process()" wait for each other to complete. For
>> instance, I want to do something like this:
>>
>> job1 = multiprocessing.Process(CMD1())
>> job2 = multiprocessing.Process(CMD2())
>>
>> jobs1.start(); jobs2.start()
>>
>> PY_FUNC()
>>
>> The command "PY_FUNC()" depends on the end result of the actions of
>> CMD1() and CMD2(). I need some kind of wait command for the two threads
>> that will not let the script continue until job1 and job2 are complete.
>> Is this possible in Python3?
>>
> Possibly you mean .join:
>
> jobs1.start()
> jobs2.start()
>
> jobs1.join()
> jobs2.join()
>

Thanks MRAB! That is easy. I always (incorrectly) thought the join() 
command got two threads and made them one. I did not know it made the 
script wait for the threads.

Mahalo,

DevynCJohnson at Gmail.com



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