
While flock is not a posix interface, it exists on linux and all BSDs as far as I am aware.
20 lines
297 B
C
20 lines
297 B
C
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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#define LOCK_SH 0
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#define LOCK_EX 1
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#define LOCK_UN 2
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#define LOCK_NB (1 << 2)
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int flock(int fd, int operation);
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__END_DECLS
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