[issue19575] subprocess.Popen with multiple threads: Redirected stdout/stderr files still open after process close

[Bernt Røskar Brenna]

Bernt Røskar Brenna added the comment:

Never mind, I figured it:

On Python 3.3, the combination of locking around Popen and opening the file 
that I redirect to using the code below works (code from scons):

def open_noinherit(*args, **kwargs):
    fp = open(*args, **kwargs)
    win32api.SetHandleInformation(msvcrt.get_osfhandle(fp.fileno()),
                                  win32con.HANDLE_FLAG_INHERIT,
                                  0)
    return fp

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