Remove LINUX_FADV_ASYNC_WRITE and LINUX_FADV_WRITE_WAIT.

Declare sync_file_range and splice.
This commit is contained in:
Ulrich Drepper 2006-03-31 21:45:38 +00:00
parent 711daa3092
commit 111e56f80c
1 changed files with 24 additions and 3 deletions

View File

@ -173,16 +173,37 @@ struct flock64
# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
#endif
/* Linux-specific operations for posix_fadvise. */
#ifdef __USE_GNU
# define LINUX_FADV_ASYNC_WRITE 32 /* Start writeout on range. */
# define LINUX_FADV_WRITE_WAIT 33 /* Wait upon writeout to 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. */
#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 two files together. */
extern int splice (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
#endif
__END_DECLS