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author | gcc <gcc@7b3dc134-2b1b-0410-93df-9e9f96275f8d> | 2006-08-17 01:18:26 +0000 |
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committer | gcc <gcc@7b3dc134-2b1b-0410-93df-9e9f96275f8d> | 2006-08-17 01:18:26 +0000 |
commit | 15f34685e7a9b5caf761af2ebf6afa20438d440b (patch) | |
tree | dc04ce3cdf040f198743c15b64557824de174680 /libc/sysdeps/unix/sysv/linux/posix_fadvise.c | |
parent | 1e848e0e775a36f6359161f5deb890942ef42ff3 (diff) | |
download | eglibc2-15f34685e7a9b5caf761af2ebf6afa20438d440b.tar.gz |
Import glibc-mainline for 2006-08-16
git-svn-id: svn://svn.eglibc.org/fsf/trunk@4 7b3dc134-2b1b-0410-93df-9e9f96275f8d
Diffstat (limited to 'libc/sysdeps/unix/sysv/linux/posix_fadvise.c')
-rw-r--r-- | libc/sysdeps/unix/sysv/linux/posix_fadvise.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/libc/sysdeps/unix/sysv/linux/posix_fadvise.c b/libc/sysdeps/unix/sysv/linux/posix_fadvise.c new file mode 100644 index 000000000..30a6d9e5b --- /dev/null +++ b/libc/sysdeps/unix/sysv/linux/posix_fadvise.c @@ -0,0 +1,40 @@ +/* Copyright (C) 2003 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <fcntl.h> +#include <sysdep.h> + +/* Advice the system about the expected behaviour of the application with + respect to the file associated with FD. */ + +int +posix_fadvise (int fd, off_t offset, off_t len, int advise) +{ +#ifdef __NR_fadvise64 + INTERNAL_SYSCALL_DECL (err); + int ret = INTERNAL_SYSCALL (fadvise64, err, 5, fd, + __LONG_LONG_PAIR (offset >> 31, offset), len, + advise); + if (INTERNAL_SYSCALL_ERROR_P (ret, err)) + return INTERNAL_SYSCALL_ERRNO (ret, err); + return 0; +#else + return ENOSYS; +#endif +} |