/* 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 <andersen@uclibc.org> * * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ #include <sys/syscall.h> #include <fcntl.h> #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