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Diffstat (limited to 'REORG.TODO/misc/sys/file.h')
| -rw-r--r-- | REORG.TODO/misc/sys/file.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/REORG.TODO/misc/sys/file.h b/REORG.TODO/misc/sys/file.h new file mode 100644 index 0000000000..3ee0c445f2 --- /dev/null +++ b/REORG.TODO/misc/sys/file.h @@ -0,0 +1,55 @@ +/* Copyright (C) 1991-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _SYS_FILE_H +#define _SYS_FILE_H 1 + +#include <features.h> + +#ifndef _FCNTL_H +# include <fcntl.h> +#endif + +__BEGIN_DECLS + + +/* Alternate names for values for the WHENCE argument to `lseek'. + These are the same as SEEK_SET, SEEK_CUR, and SEEK_END, respectively. */ +#ifndef L_SET +# define L_SET 0 /* Seek from beginning of file. */ +# define L_INCR 1 /* Seek from current position. */ +# define L_XTND 2 /* Seek from end of file. */ +#endif + + +/* Operations for the `flock' call. */ +#define LOCK_SH 1 /* Shared lock. */ +#define LOCK_EX 2 /* Exclusive lock. */ +#define LOCK_UN 8 /* Unlock. */ + +/* Can be OR'd in to one of the above. */ +#define LOCK_NB 4 /* Don't block when locking. */ + + +/* Apply or remove an advisory lock, according to OPERATION, + on the file FD refers to. */ +extern int flock (int __fd, int __operation) __THROW; + + +__END_DECLS + +#endif /* sys/file.h */ |