/* vi: set sw=4 ts=4: */ /* * posix_fadvise() for ARM 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> #if defined __NR_arm_fadvise64_64 /* This is for the ARM version of fadvise64_64 which swaps the params * * about to avoid having ABI compat issues * */ #define __NR___syscall_arm_fadvise64_64 __NR_arm_fadvise64_64 int __libc_posix_fadvise(int fd, off_t offset, off_t len, int advise) { INTERNAL_SYSCALL_DECL (err); int ret = INTERNAL_SYSCALL (arm_fadvise64_64, err, 6, fd, advise, __LONG_LONG_PAIR ((long)(offset >> 32), (long)offset), __LONG_LONG_PAIR ((long)(len >> 32), (long)len)); if (INTERNAL_SYSCALL_ERROR_P (ret, err)) return INTERNAL_SYSCALL_ERRNO (ret, err); return 0; } weak_alias(__libc_posix_fadvise, posix_fadvise); #else int posix_fadvise(int fd attribute_unused, off_t offset attribute_unused, off_t len attribute_unused, int advice attribute_unused) { return ENOSYS; } #endif