gevent / gevent / 3154

84%

master: 78%

Pull #1327

travis-ci

Deterministically close GreenFileDescriptorIO backing FileObjectPosix if the (libuv) event loop watchers produce an error.

Especially on Python 3.7, the C-level garbage collection could kick in and close the underlying fileno at an inopportune time, killing an unrelated file, even though there were no Python-level references alive (apparently).

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