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| author | Carmelo Amoroso <carmelo.amoroso@st.com> | 2008-03-16 09:11:31 +0000 |
|---|---|---|
| committer | Carmelo Amoroso <carmelo.amoroso@st.com> | 2008-03-16 09:11:31 +0000 |
| commit | 1cd785fe106389b7cc708d1c413eb8bfbc95ff43 (patch) | |
| tree | 01a20f24c6cac36568a0c96ce76578fe8b8f47f8 /libc/sysdeps/linux/xtensa/posix_fadvise.c | |
| parent | b892d0f9caca5d891d7ce615e3df518b3870b36b (diff) | |
| download | uClibc-alpine-1cd785fe106389b7cc708d1c413eb8bfbc95ff43.tar.bz2 uClibc-alpine-1cd785fe106389b7cc708d1c413eb8bfbc95ff43.tar.xz | |
Merge nptl branch tree with trunk.
Step 8: add xtensa, cris and avr32 architecture dependent
files, as is.
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
Diffstat (limited to 'libc/sysdeps/linux/xtensa/posix_fadvise.c')
| -rw-r--r-- | libc/sysdeps/linux/xtensa/posix_fadvise.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/xtensa/posix_fadvise.c b/libc/sysdeps/linux/xtensa/posix_fadvise.c new file mode 100644 index 000000000..0fe13a1e9 --- /dev/null +++ b/libc/sysdeps/linux/xtensa/posix_fadvise.c @@ -0,0 +1,29 @@ +/* vi: set sw=4 ts=4: */ +/* + * posix_fadvise() for Xtensa uClibc + * + * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> + * Copyright (C) 2007 Tensilica Inc. + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include <sys/syscall.h> +#include <fcntl.h> + +int posix_fadvise (int fd, off_t offset, off_t len, int advice) +{ +#ifdef __NR_fadvise64_64 + INTERNAL_SYSCALL_DECL (err); + int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd, advice, + __LONG_LONG_PAIR ((long) (offset >> 31), + (long) offset), + __LONG_LONG_PAIR ((long) (len >> 31), + (long) len)); + if (!INTERNAL_SYSCALL_ERROR_P (ret, err)) + return 0; + return INTERNAL_SYSCALL_ERRNO (ret, err); +#else + return ENOSYS; +#endif +} |