2022-05-14 03:18:11 +08:00
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/* Provide a more complete sys/file.h.
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2024-04-30 19:15:39 +08:00
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Copyright (C) 2007-2023 Free Software Foundation, Inc.
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2022-05-14 03:18:11 +08:00
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2024-04-30 19:15:39 +08:00
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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2022-05-14 03:18:11 +08:00
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2024-04-30 19:15:39 +08:00
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This file is distributed in the hope that it will be useful,
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2022-05-14 03:18:11 +08:00
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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2024-04-30 19:15:39 +08:00
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GNU Lesser General Public License for more details.
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2022-05-14 03:18:11 +08:00
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2024-04-30 19:15:39 +08:00
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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2022-05-14 03:18:11 +08:00
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/* Written by Richard W.M. Jones. */
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#ifndef _@GUARD_PREFIX@_SYS_FILE_H
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#if __GNUC__ >= 3
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@PRAGMA_SYSTEM_HEADER@
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#endif
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@PRAGMA_COLUMNS@
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/* The include_next requires a split double-inclusion guard. */
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#if @HAVE_SYS_FILE_H@
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# @INCLUDE_NEXT@ @NEXT_SYS_FILE_H@
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#endif
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#ifndef _@GUARD_PREFIX@_SYS_FILE_H
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#define _@GUARD_PREFIX@_SYS_FILE_H
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2024-04-30 19:15:39 +08:00
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/* This file uses GNULIB_POSIXCHECK, HAVE_RAW_DECL_*. */
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#if !_GL_CONFIG_H_INCLUDED
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#error "Please include config.h first."
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#endif
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2022-05-14 03:18:11 +08:00
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#ifndef LOCK_SH
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/* Operations for the 'flock' call (same as Linux kernel constants). */
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# define LOCK_SH 1 /* Shared lock. */
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# define LOCK_EX 2 /* Exclusive lock. */
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# define LOCK_UN 8 /* Unlock. */
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/* Can be OR'd in to one of the above. */
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# define LOCK_NB 4 /* Don't block when locking. */
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#endif
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/* The definition of _GL_WARN_ON_USE is copied here. */
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#if @GNULIB_FLOCK@
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/* Apply or remove advisory locks on an open file.
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Return 0 if successful, otherwise -1 and errno set. */
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# if !@HAVE_FLOCK@
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extern int flock (int fd, int operation);
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef flock
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# if HAVE_RAW_DECL_FLOCK
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_GL_WARN_ON_USE (flock, "flock is unportable - "
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"use gnulib module flock for portability");
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# endif
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#endif
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#endif /* _@GUARD_PREFIX@_SYS_FILE_H */
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#endif /* _@GUARD_PREFIX@_SYS_FILE_H */
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