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mirror of https://sourceware.org/git/glibc.git synced 2025-07-29 11:41:21 +03:00
This commit is contained in:
Jakub Jelinek
2007-07-12 18:26:36 +00:00
parent 7d58530341
commit 0ecb606cb6
6215 changed files with 494638 additions and 305010 deletions

View File

@ -1,5 +1,5 @@
/* O_*, F_*, FD_* bit values for Linux.
Copyright (C) 1995-1999, 2000, 2004 Free Software Foundation, Inc.
Copyright (C) 1995-2000, 2004, 2005, 2006 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
@ -21,8 +21,10 @@
# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
#endif
#include <sys/types.h>
#ifdef __USE_GNU
# include <bits/uio.h>
#endif
/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
@ -44,9 +46,9 @@
#define O_ASYNC 020000 /* fcntl, for BSD compatibility */
#ifdef __USE_GNU
# define O_DIRECT 040000 /* Direct disk access. */
# define O_DIRECTORY 0100000 /* Must be a directory. */
# define O_NOFOLLOW 0200000 /* Do not follow links. */
# define O_DIRECT 02000000 /* Direct disk access. */
# define O_NOATIME 04000000 /* Do not set atime. */
#endif
@ -92,7 +94,7 @@
# define F_NOTIFY 1026 /* Request notfications on a directory. */
#endif
/* for F_[GET|SET]FL */
/* for F_[GET|SET]FD */
#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
/* For posix fcntl() and `l_type' field of a `struct flock' for lockf() */
@ -173,10 +175,55 @@ struct flock64
# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
#endif
#ifdef __USE_GNU
/* Flags for SYNC_FILE_RANGE. */
# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages
in the range before performing the
write. */
# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those
dirty pages in the range which are
not presently under writeback. */
# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in
the range after performing the
write. */
/* Flags for SPLICE and VMSPLICE. */
# define SPLICE_F_MOVE 1 /* Move pages instead of copying. */
# define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing
(but we may still block on the fd
we splice from/to). */
# define SPLICE_F_MORE 4 /* Expect more data. */
# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
#endif
__BEGIN_DECLS
#ifdef __USE_GNU
/* Provide kernel hint to read ahead. */
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
__THROW;
/* Selective file content synch'ing. */
extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
unsigned int __flags);
/* Splice address range into a pipe. */
extern int vmsplice (int __fdout, const struct iovec *__iov, size_t __count,
unsigned int __flags);
/* Splice two files together. */
extern int splice (int __fdin, __off64_t *__offin, int __fdout,
__off64_t *__offout, size_t __len, unsigned int __flags)
__THROW;
/* In-kernel implementation of tee for pipe buffers. */
extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
#endif
__END_DECLS