/* 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 }