First cut of MPI_File back-end type

This commit was SVN r437.

src/mpi/file/.cvsignore

@@ -0,0 +1,6 @@
+Makefile
+Makefile.in
+.deps
+*.lo
+*.la
+.libs

src/mpi/file/Makefile.am

@@ -0,0 +1,20 @@
+# -*- makefile -*-
+#
+# $HEADER$
+#
+
+include $(top_srcdir)/config/Makefile.options
+
+# Source code files
+
+headers = \
+        file.h
+
+# Conditionally install the header files
+
+if WANT_INSTALL_HEADERS
+lamdir = $(includedir)/lam/mpi/file
+lam_HEADERS = $(headers)
+else
+lamdir = $(includedir)
+endif

src/mpi/file/file.h

@@ -0,0 +1,22 @@
+/*
+ * $HEADER$
+ */
+
+#ifndef LAM_FILE_H
+#define LAM_FILE_H
+
+#include "mpi.h"
+#include "mca/mpi/io/io.h"
+
+struct lam_file_t {
+   char f_name[MPI_MAX_OBJECT_NAME];
+
+    /* Hooks for io modules to hang things */
+
+    mca_io_1_0_0_t f_io;
+    struct mca_io_file_t* f_io_file;
+
+};
+typedef struct lam_file_t lam_file_t;
+
+#endif /* LAM_FILE_H */