Define POSIX_FADV_NORMAL, POSIX_FADV_RANDOM, POSIX_FADV_SEQUENTIAL,

POSIX_FADV_WILLNEED, POSIX_FADV_DONTNEED, and POSIX_FADV_NOREUSE.
This commit is contained in:
Ulrich Drepper 2000-04-14 07:48:34 +00:00
parent fd327b8820
commit a54fe716da
2 changed files with 24 additions and 4 deletions

View File

@ -1,5 +1,5 @@
/* O_*, F_*, FD_* bit values for Linux.
Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
Copyright (C) 1995-1999, 2000 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
@ -133,9 +133,19 @@ struct flock64
/* Define some more compatibility macros to be backward compatible with
BSD systems which did not managed to hide these kernel macros. */
#ifdef __USE_BSD
# define FAPPEND O_APPEND
# define FAPPEND O_APPEND
# define FFSYNC O_FSYNC
# define FASYNC O_ASYNC
# define FNONBLOCK O_NONBLOCK
# define FNDELAY O_NDELAY
# define FNDELAY O_NDELAY
#endif /* Use BSD. */
/* Advise to `posix_fadvise'. */
#ifdef __USE_XOPEN2K
# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
# define POSIX_FADV_DONTNEED 6 /* Don't need these pages. */
# define POSIX_FADV_NOREUSE 7 /* Data will be accessed once. */
#endif

View File

@ -1,5 +1,5 @@
/* O_*, F_*, FD_* bit values for Linux.
Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 1997, 1998, 2000 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
@ -145,3 +145,13 @@ struct flock64
# define FNONBLOCK O_NONBLOCK
# define FNDELAY O_NDELAY
#endif /* Use BSD. */
/* Advise to `posix_fadvise'. */
#ifdef __USE_XOPEN2K
# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
#endif