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-rw-r--r--sysdeps/unix/sysv/linux/alpha/fdatasync.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/fdatasync.c b/sysdeps/unix/sysv/linux/alpha/fdatasync.c
new file mode 100644
index 0000000000..747696125b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/fdatasync.c
@@ -0,0 +1,64 @@
+/* fdatasync -- synchronize at least the data part of a file with
+ the underlying media. Linux version.
+
+ Copyright (C) 2007-2014 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <unistd.h>
+
+#include <sysdep-cancel.h>
+#include <sys/syscall.h>
+
+#include <kernel-features.h>
+
+static int
+do_fdatasync (int fd)
+{
+#ifdef __ASSUME_FDATASYNC
+ return INLINE_SYSCALL (fdatasync, 1, fd);
+#elif defined __NR_fdatasync
+ static int __have_no_fdatasync;
+
+ if (!__builtin_expect (__have_no_fdatasync, 0))
+ {
+ int result = INLINE_SYSCALL (fdatasync, 1, fd);
+ if (__builtin_expect (result, 0) != -1 || errno != ENOSYS)
+ return result;
+
+ __have_no_fdatasync = 1;
+ }
+#endif
+ return INLINE_SYSCALL (fsync, 1, fd);
+}
+
+int
+__fdatasync (int fd)
+{
+ if (SINGLE_THREAD_P)
+ return do_fdatasync (fd);
+
+ int oldtype = LIBC_CANCEL_ASYNC ();
+
+ int result = do_fdatasync (fd);
+
+ LIBC_CANCEL_RESET (oldtype);
+
+ return result;
+}
+
+weak_alias (__fdatasync, fdatasync)