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- /* 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
- }
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