process.detach Leaves Files Open

[kriscory]

When process.detach is called the file handle to /proc/pid/mem is left open.

[vstinner]

Can you come up with a fix? This project is basically unmaintained, you have to fix the bugs that you find :-)

[spoutn1k]

It seems I am unable to reproduce the issue.

The steps taken were:

• Adding a 10m sleep at the end of strace.py;
• Launching an instance of strace.py;
• Listing the opened files of the sleeping process.

~> lsof -p 8238 | grep /proc returns no matches.

The confusion might come from the fact that the /proc/<pid>/mem file is closed in a detach wrapper, _notRunning in ptrace/debugger/subprocess.py:302.