* [PATCH] Add syncfs syscall
@ 2011-03-31 8:01 Andreas Schwab
0 siblings, 0 replies; only message in thread
From: Andreas Schwab @ 2011-03-31 8:01 UTC (permalink / raw)
To: libc-hacker
2011-03-30 Andreas Schwab <schwab@redhat.com>
* Versions.def (libc): Add GLIBC_2.14.
* misc/syncfs.c: New file.
* misc/Makefile (routines): Add syncfs.
* posix/unistd.h: Declare syncfs.
* sysdeps/unix/syscalls.list: Add syncfs.
---
Versions.def | 1 +
misc/Makefile | 4 ++--
misc/Versions | 3 +++
misc/syncfs.c | 33 +++++++++++++++++++++++++++++++++
posix/unistd.h | 9 ++++++++-
sysdeps/unix/syscalls.list | 1 +
6 files changed, 48 insertions(+), 3 deletions(-)
create mode 100644 misc/syncfs.c
diff --git a/Versions.def b/Versions.def
index 0ccda50..e478fdd 100644
--- a/Versions.def
+++ b/Versions.def
@@ -30,6 +30,7 @@ libc {
GLIBC_2.11
GLIBC_2.12
GLIBC_2.13
+ GLIBC_2.14
%ifdef USE_IN_LIBIO
HURD_CTHREADS_0.3
%endif
diff --git a/misc/Makefile b/misc/Makefile
index ee69361..52b13da 100644
--- a/misc/Makefile
+++ b/misc/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1991-2006, 2007, 2009 Free Software Foundation, Inc.
+# Copyright (C) 1991-2006, 2007, 2009, 2011 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
@@ -41,7 +41,7 @@ routines := brk sbrk sstk ioctl \
getdtsz \
gethostname sethostname getdomain setdomain \
select pselect \
- acct chroot fsync sync fdatasync reboot \
+ acct chroot fsync sync fdatasync syncfs reboot \
gethostid sethostid \
revoke vhangup \
swapon swapoff mktemp mkstemp mkstemp64 mkdtemp \
diff --git a/misc/Versions b/misc/Versions
index 3ffe3d1..3a31c7f 100644
--- a/misc/Versions
+++ b/misc/Versions
@@ -143,4 +143,7 @@ libc {
GLIBC_2.11 {
mkstemps; mkstemps64; mkostemps; mkostemps64;
}
+ GLIBC_2.14 {
+ syncfs;
+ }
}
diff --git a/misc/syncfs.c b/misc/syncfs.c
new file mode 100644
index 0000000..bd7328c
--- /dev/null
+++ b/misc/syncfs.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 2011 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 <unistd.h>
+
+/* Make all changes done to all files on the file system associated
+ with FD actually appear on disk. */
+int
+syncfs (int fd)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+
+
+stub_warning (syncfs)
+#include <stub-tag.h>
diff --git a/posix/unistd.h b/posix/unistd.h
index 5ebcaf1..aa11860 100644
--- a/posix/unistd.h
+++ b/posix/unistd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2009, 2010 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2009, 2010, 2011 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
@@ -977,6 +977,13 @@ extern int fsync (int __fd);
#endif /* Use BSD || X/Open || Unix98. */
+#ifdef __USE_GNU
+/* Make all changes done to all files on the file system associated
+ with FD actually appear on disk. */
+extern int syncfs (int __fd) __THROW;
+#endif
+
+
#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
/* Return identifier for the current host. */
diff --git a/sysdeps/unix/syscalls.list b/sysdeps/unix/syscalls.list
index 04ed63c..ad49170 100644
--- a/sysdeps/unix/syscalls.list
+++ b/sysdeps/unix/syscalls.list
@@ -55,6 +55,7 @@ swapoff - swapoff i:s swapoff
swapon - swapon i:s swapon
symlink - symlink i:ss __symlink symlink
sync - sync i: sync
+syncfs - syncfs i:i syncfs
sys_fstat fxstat fstat i:ip __syscall_fstat
sys_mknod xmknod mknod i:sii __syscall_mknod
sys_stat xstat stat i:sp __syscall_stat
--
1.7.4
--
Andreas Schwab, schwab@redhat.com
GPG Key fingerprint = D4E8 DBE3 3813 BB5D FA84 5EC7 45C6 250E 6F00 984E
"And now for something completely different."
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