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authorUlrich Drepper <drepper@redhat.com>2003-02-05 23:30:38 +0000
committerUlrich Drepper <drepper@redhat.com>2003-02-05 23:30:38 +0000
commit5cd09cd6482726257275ce45e39c5dd7dcbe9251 (patch)
treeb15b315544dbf3884ed08e1f0cacc787a3185ca4 /sysdeps/unix/sysv/linux/posix_fadvise.c
parente0f86659bebf16c150e1c4cfe385c643c424e322 (diff)
downloadglibc-5cd09cd6482726257275ce45e39c5dd7dcbe9251.tar.gz
Update.
* sysdeps/unix/sysv/linux/posix_fadvise.c: New file. * sysdeps/unix/sysv/linux/syscalls.list: Add posix_fadvise64 syscall. * sysdeps/unix/sysv/linux/alpha/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/ia64/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list: Likewise.
Diffstat (limited to 'sysdeps/unix/sysv/linux/posix_fadvise.c')
-rw-r--r--sysdeps/unix/sysv/linux/posix_fadvise.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/posix_fadvise.c b/sysdeps/unix/sysv/linux/posix_fadvise.c
new file mode 100644
index 0000000000..fb1e59b2d3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/posix_fadvise.c
@@ -0,0 +1,36 @@
+/* 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, size_t len, int advise)
+{
+#ifdef __NR_fadvise64
+ return INLINE_SYSCALL (fadvise64, 5, fd,
+ __LONG_LONG_PAIR (offset >> 31, offset), len, advise);
+#else
+ __set_errno (ENOSYS);
+ return -1;
+#endif
+}