Documented os.fsync and os.fdatasync. Closes SF bug 584695.
diff --git a/Doc/lib/libos.tex b/Doc/lib/libos.tex
index d5f9a34..fb53b17 100644
--- a/Doc/lib/libos.tex
+++ b/Doc/lib/libos.tex
@@ -399,6 +399,12 @@
Availability: \UNIX, Windows.
\end{funcdesc}
+\begin{funcdesc}{fdatasync}{fd}
+Force write of file with filedescriptor \var{fd} to disk.
+Does not force update of metadata.
+Availability: \UNIX.
+\end{funcdesc}
+
\begin{funcdesc}{fpathconf}{fd, name}
Return system configuration information relevant to an open file.
\var{name} specifies the configuration value to retrieve; it may be a
@@ -429,6 +435,11 @@
Availability: \UNIX.
\end{funcdesc}
+\begin{funcdesc}{fsync}{fd}
+Force write of file with filedescriptor \var{fd} to disk.
+Availability: \UNIX.
+\end{funcdesc}
+
\begin{funcdesc}{ftruncate}{fd, length}
Truncate the file corresponding to file descriptor \var{fd},
so that it is at most \var{length} bytes in size.