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27 lines
976 B
27 lines
976 B
#
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# Copyright 2011 Facebook
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Interfaces for platform-specific functionality.
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This module exists primarily for documentation purposes and as base classes
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for other tornado.platform modules. Most code should import the appropriate
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implementation from `tornado.platform.auto`.
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"""
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def set_close_exec(fd: int) -> None:
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"""Sets the close-on-exec bit (``FD_CLOEXEC``)for a file descriptor."""
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raise NotImplementedError()
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