diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2012-12-06 15:01:35 -0500 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2012-12-06 20:00:43 -0500 |
| commit | e933a9432cab6ff8d7995b984f0da625b3592f88 (patch) | |
| tree | c17464bd30542a941dcaa6b27220e794fcd7ea00 | |
| parent | 270a72ed73df7a6fd6c73dd1fa1d577a348400dc (diff) | |
linux: posix_fadvise: support __NR_fadvise64_64
Some arches do not have a __NR_fadvise64 but do have __NR_fadvise64_64.
If the former is unavailable, fallback to the latter.
Reviewed-by: Carlos O'Donell <carlos@systemhalted.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/posix_fadvise.c | 13 |
2 files changed, 17 insertions, 2 deletions
@@ -1,3 +1,9 @@ +2012-12-06 Carlos O'Donell <carlos@systemhalted.org> + Mike Frysinger <vapier@gentoo.org> + + * sysdeps/unix/sysv/linux/posix_fadvise.c (posix_fadvise): Also + check for __NR_fadvise64_64. + 2012-12-06 Chris Metcalf <cmetcalf@tilera.com> * sysdeps/generic/fpu_control.h (_FPU_GETCW): Define to set cw to diff --git a/sysdeps/unix/sysv/linux/posix_fadvise.c b/sysdeps/unix/sysv/linux/posix_fadvise.c index cf28faf9bd..064281ffc8 100644 --- a/sysdeps/unix/sysv/linux/posix_fadvise.c +++ b/sysdeps/unix/sysv/linux/posix_fadvise.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003 Free Software Foundation, Inc. +/* Copyright (C) 2003-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -25,11 +25,20 @@ int posix_fadvise (int fd, off_t offset, off_t len, int advise) { -#ifdef __NR_fadvise64 +#if defined(__NR_fadvise64) || defined(__NR_fadvise64_64) INTERNAL_SYSCALL_DECL (err); +# ifdef __NR_fadvise64 int ret = INTERNAL_SYSCALL (fadvise64, err, 5, fd, __LONG_LONG_PAIR (offset >> 31, offset), len, advise); +# else + int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd, + __LONG_LONG_PAIR ((long) (offset >> 31), + (long) offset), + __LONG_LONG_PAIR ((long) (len >> 31), + (long) len), + advise); +# endif if (INTERNAL_SYSCALL_ERROR_P (ret, err)) return INTERNAL_SYSCALL_ERRNO (ret, err); return 0; |