diff options
Diffstat (limited to 'libc/sysdeps/linux/mips/readahead.c')
-rw-r--r-- | libc/sysdeps/linux/mips/readahead.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/mips/readahead.c b/libc/sysdeps/linux/mips/readahead.c new file mode 100644 index 000000000..8fe75fd9e --- /dev/null +++ b/libc/sysdeps/linux/mips/readahead.c @@ -0,0 +1,38 @@ +/* Provide kernel hint to read ahead. + Copyright (C) 2002, 2003, 2004 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <fcntl.h> +#include <sys/types.h> +#include <sys/syscall.h> + +#ifdef __NR_readahead + +ssize_t readahead(int fd, off64_t offset, size_t count) +{ +# if _MIPS_SIM == _ABIO32 + return INLINE_SYSCALL (readahead, 5, fd, 0, + __LONG_LONG_PAIR ((off_t) (offset >> 32), (off_t) offset), + count); +# else /* N32 || N64 */ + return INLINE_SYSCALL (readahead, 3, fd, offset, count); +# endif +} + +#endif |