From 4882fad17edf8e7f2c13877bdcc04c4068b91d35 Mon Sep 17 00:00:00 2001 From: Khem Raj Date: Sun, 30 Aug 2009 00:30:02 -0700 Subject: Add posix_fadvise and posix_fadvise64 for powerpc The syscall is having different number of params and in one case the parameters are passed in differently. This patch add powerpc specific versions of these functions. Signed-off-by: Khem Raj --- libc/sysdeps/linux/powerpc/posix_fadvise.c | 36 ++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 libc/sysdeps/linux/powerpc/posix_fadvise.c (limited to 'libc/sysdeps/linux/powerpc/posix_fadvise.c') diff --git a/libc/sysdeps/linux/powerpc/posix_fadvise.c b/libc/sysdeps/linux/powerpc/posix_fadvise.c new file mode 100644 index 000000000..ce3574f4e --- /dev/null +++ b/libc/sysdeps/linux/powerpc/posix_fadvise.c @@ -0,0 +1,36 @@ +/* vi: set sw=4 ts=4: */ +/* + * posix_fadvise() for uClibc + * http://www.opengroup.org/onlinepubs/009695399/functions/posix_fadvise.html + * + * Copyright (C) 2000-2006 Erik Andersen + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include +#include + +#ifdef __NR_fadvise64 +#define __NR_posix_fadvise __NR_fadvise64 +int posix_fadvise(int fd, off_t offset, off_t len, int advice) +{ + INTERNAL_SYSCALL_DECL(err); + int ret = (int) (INTERNAL_SYSCALL(posix_fadvise, err, 6, fd, 0, + __LONG_LONG_PAIR (offset >> 31, offset), len, advice)); + if (INTERNAL_SYSCALL_ERROR_P (ret, err)) + return INTERNAL_SYSCALL_ERRNO (ret, err); + return 0; +} + +#if defined __UCLIBC_HAS_LFS__ && (!defined __NR_fadvise64_64 || !defined _syscall6) +strong_alias(posix_fadvise,posix_fadvise64) +#endif + +#else +int posix_fadvise(int fd attribute_unused, off_t offset attribute_unused, off_t len attribute_unused, int advice attribute_unused) +{ +#warning This is not correct as far as SUSv3 is concerned. + return ENOSYS; +} +#endif -- cgit v1.2.3