diff options
Diffstat (limited to 'libc/sysdeps/linux/powerpc/posix_fadvise.c')
-rw-r--r-- | libc/sysdeps/linux/powerpc/posix_fadvise.c | 36 |
1 files changed, 36 insertions, 0 deletions
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 <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 |