[issue23566] RFE: faulthandler.register() should support file descriptors

[Wei Wu]

Wei Wu added the comment:

Or we could reuse the file created by filename in subprocess?

if filename:
    file = open(filename, "wb")
    if use_fd:
        file = file.fileno()
else:
    file = None

In this case, we need to pass two arguments(both filename and a bool use_fd) to check_xxx functions.

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<http://bugs.python.org/issue23566>
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