[issue27749] python 3.5.2 maybe crash in windows

Changes by wevsty : -- title: python 3.5.2 maybe crash -> python 3.5.2 maybe crash in windows ___ Python tracker ___

[issue27749] python 3.5.2 maybe crash

wevsty added the comment: I try to change the multiprocessing lib codes，upload the file is debugger display.I try to used while loop make sure connection hanle value is not none,but connection hanle value will still becomes none. I think there may be other threads to modify the handle，But it

[issue27749] python 3.5.2 maybe crash

Decorater added the comment: I use code that does multithreading to from a library that uses ffmpeg for exact it makes daemon threads so it could be from that. -- ___ Python tracker

[issue27749] python 3.5.2 maybe crash

wevsty added the comment: To Decorater If you are found to have crashes, I'm sorry, you can follow the previous suggestion to use python_d.exe then open a new issue uploading crash dump. It would be better. About the multiprocessing question，I would like to add some information. My code uses

[issue27749] python 3.5.2 maybe crash

Decorater added the comment: I do know for sure the crash happens in python.exe and blames ntdll.dll for it. -- ___ Python tracker ___

[issue27749] python 3.5.2 maybe crash

Decorater added the comment: I can confirm that I also get the same crash. -- Added file: http://bugs.python.org/file44099/python.exe.8228.dmp ___ Python tracker

[issue27749] python 3.5.2 maybe crash

R. David Murray added the comment: Decorator: In python code you generally want to let the exception bubble up so that you can see what the error was. Sometimes you do want to catch general errors, but mostly you don't. As for C++ try/catch, CPython is written in C, not C++. So, your

[issue27749] python 3.5.2 maybe crash

Decorater added the comment: Crashes also happen from Recursion if not careful. Idk why but it happens. Although some of it is probably by not using try / catch probably anywhere in the python source code as a safeguard. I always like try / catch even in C++ as you never know when crap might

[issue27749] python 3.5.2 maybe crash

Eryk Sun added the comment: To diagnose the access violation, it may help if you install the debug binaries and try to reproduce the crash using python_d.exe. Attach the dump file to this issue. Regarding the multiprocessing question, if its a separate issue you need to file it on its own

[issue27749] python 3.5.2 maybe crash

Changes by Eryk Sun : -- components: +Windows nosy: +paul.moore, steve.dower, tim.golden, zach.ware ___ Python tracker ___