diff options
Diffstat (limited to 'libc/sysdeps/linux/mips/posix_fadvise64.c')
| -rw-r--r-- | libc/sysdeps/linux/mips/posix_fadvise64.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/mips/posix_fadvise64.c b/libc/sysdeps/linux/mips/posix_fadvise64.c new file mode 100644 index 000000000..d9b89d123 --- /dev/null +++ b/libc/sysdeps/linux/mips/posix_fadvise64.c @@ -0,0 +1,43 @@ +/* vi: set sw=4 ts=4: */ +/* + * posix_fadvise64() for MIPS 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 <features.h> +#include <unistd.h> +#include <errno.h> +#include <endian.h> +#include <stdint.h> +#include <sys/types.h> +#include <sys/syscall.h> +#include <fcntl.h> + +#ifdef __UCLIBC_HAS_LFS__ + +int posix_fadvise64(int fd, __off64_t offset, __off64_t len, int advice) +{ +/* MIPS kernel only has NR_fadvise64 which acts as NR_fadvise64_64 */ +#ifdef __NR_fadvise64 + INTERNAL_SYSCALL_DECL(err); +# if _MIPS_SIM == _MIPS_SIM_ABI32 + int ret = INTERNAL_SYSCALL(fadvise64, err, 7, fd, 0, + __LONG_LONG_PAIR ((long) (offset >> 32), (long) offset), + __LONG_LONG_PAIR ((long) (len >> 32), (long) len), + advice); +# else /* N32 || N64 */ + int ret = INTERNAL_SYSCALL(fadvise64, err, 4, fd, offset, len, advice); +# endif + if (INTERNAL_SYSCALL_ERROR_P (ret, err)) + return INTERNAL_SYSCALL_ERRNO (ret, err); + return 0; +#else + return ENOSYS; +#endif +} + +#endif /* __UCLIBC_HAS_LFS__ */ |