28 lines
786 B
C
28 lines
786 B
C
/*
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* Copyright 2016-present Facebook, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain 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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#ifndef _WIN32
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#include <sys/file.h>
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#else
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#define LOCK_SH 1
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#define LOCK_EX 2
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#define LOCK_NB 4
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#define LOCK_UN 8
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extern "C" int flock(int fd, int operation);
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#endif
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