eleven xiang added the comment:
I am not asking for your help to use python.
What I post here is to want to report a potential issue about multiprocessing
module.
This issue is the default start method fork will not free the object, but other
methods works normally.
When I change to use
Change by eleven xiang :
--
resolution: not a bug ->
___
Python tracker
<https://bugs.python.org/issue45308>
___
___
Python-bugs-list mailing list
Unsubscrib
eleven xiang added the comment:
Below is the log:
// parent process call and increase it from 10 to 11.
process 71481, this = 0x7f4f271b5054, m_val = 10, A constructor called!!!
process 71481, this = 0x7f4f271b5054, m_val = 11, INC called!!!
// child process inherit with 11, and then also
eleven xiang added the comment:
I still have some questions about is, so re-open it.
You mean it is the fork principle, but if change the script to use os.fork(),
the child process will inherit from parent, and also free it.
You could refer below change:
from ctypes import cdll
import
eleven xiang added the comment:
update test platform
Ubuntu 16.04
--
___
Python tracker
<https://bugs.python.org/issue45308>
___
___
Python-bugs-list mailin
eleven xiang added the comment:
you could use below command to build test.so from test1.cpp
g++ test1.cpp -shared -fPIC --std=c++11 -o test.so
--
___
Python tracker
<https://bugs.python.org/issue45
Change by eleven xiang :
Added file: https://bugs.python.org/file50308/test1.cpp
___
Python tracker
<https://bugs.python.org/issue45308>
___
___
Python-bugs-list mailin
New submission from eleven xiang :
Hi,
Here I did an experiment, and detail as below
1. There is library, which has global object and has its class method
2. Use multiprocessing module to fork the child process, parent process call
the global object's method first, and then child pr
