diff options
| author | Peter S. Mazinger <ps.m@gmx.net> | 2011-04-06 15:36:54 +0200 |
|---|---|---|
| committer | Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> | 2012-06-15 14:00:35 +0200 |
| commit | 9e74047542cbe90bd63660638ceb30313327027f (patch) | |
| tree | fe918ecaf613ce9e660e8c971ff5dabf25a9b39f /libc/sysdeps/linux/common/posix_fadvise.c | |
| parent | dd340d59c5bcca991047c9ef26147e5e5cbb659b (diff) | |
posix_fadvise: make posix_fadvise[64] similar on all archs
Remove all versions, that can be covered by the common one.
Drop incorrectly implemented fallback support, if __NR_fadvise64_64 is not available.
To support 64 bit ppc, move ppc support into common.
Cleanup including headers.
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libc/sysdeps/linux/common/posix_fadvise.c')
| -rw-r--r-- | libc/sysdeps/linux/common/posix_fadvise.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/libc/sysdeps/linux/common/posix_fadvise.c b/libc/sysdeps/linux/common/posix_fadvise.c index 84b7c40d0..22df56982 100644 --- a/libc/sysdeps/linux/common/posix_fadvise.c +++ b/libc/sysdeps/linux/common/posix_fadvise.c @@ -9,23 +9,31 @@ */ #include <sys/syscall.h> -#include <fcntl.h> #ifdef __NR_fadvise64 -#define __NR_posix_fadvise __NR_fadvise64 +# include <fcntl.h> +# include <endian.h> +# include <bits/wordsize.h> + int posix_fadvise(int fd, off_t offset, off_t len, int advice) { int ret; INTERNAL_SYSCALL_DECL(err); - ret = (int) (INTERNAL_SYSCALL(posix_fadvise, err, 5, fd, - __LONG_LONG_PAIR (offset >> 31, offset), len, advice)); - if (INTERNAL_SYSCALL_ERROR_P (ret, err)) - return INTERNAL_SYSCALL_ERRNO (ret, err); - return 0; +# if __WORDSIZE == 64 + ret = INTERNAL_SYSCALL(fadvise64, err, 4, fd, offset, len, advice); +# else +# ifdef __powerpc__ + ret = INTERNAL_SYSCALL(fadvise64, err, 6, fd, /*unused*/0, +# else + ret = INTERNAL_SYSCALL(fadvise64, err, 5, fd, +# endif + __LONG_LONG_PAIR (offset >> 31, offset), len, advice); +# endif + if (INTERNAL_SYSCALL_ERROR_P (ret, err)) + return INTERNAL_SYSCALL_ERRNO (ret, err); + return 0; } - -# if defined __UCLIBC_HAS_LFS__ && !defined __NR_fadvise64_64 +# if defined __UCLIBC_HAS_LFS__ && (!defined __NR_fadvise64_64 || __WORDSIZE == 64) strong_alias(posix_fadvise,posix_fadvise64) # endif - #endif |