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[simgrid.git] / src / smpi / include / smpi_file.hpp

diff --git a/src/smpi/include/smpi_file.hpp b/src/smpi/include/smpi_file.hpp
index 2283564..ddd0cff 100644 (file)
--- a/src/smpi/include/smpi_file.hpp
+++ b/src/smpi/include/smpi_file.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010-2019. The SimGrid Team.
+/* Copyright (c) 2010-2020. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -18,7 +18,7 @@ XBT_LOG_EXTERNAL_CATEGORY(smpi_pmpi);
 
 namespace simgrid{
 namespace smpi{
-class File{
+class File : public F2C{
   MPI_Comm comm_;
   int flags_;
   simgrid::s4u::File* file_;
@@ -28,6 +28,9 @@ class File{
   MPI_Win win_;
   char* list_;
   MPI_Errhandler errhandler_;
+  MPI_Datatype etype_;
+  MPI_Datatype filetype_;
+  std::string datarep_;
 
   public:
   File(MPI_Comm comm, const char *filename, int amode, MPI_Info info);
@@ -42,6 +45,8 @@ class File{
   int sync();
   int seek(MPI_Offset offset, int whence);
   int seek_shared(MPI_Offset offset, int whence);
+  int set_view(MPI_Offset disp, MPI_Datatype etype, MPI_Datatype filetype, const char* datarep, const Info* info);
+  int get_view(MPI_Offset *disp, MPI_Datatype *etype, MPI_Datatype *filetype, char *datarep);
   MPI_Info info();
   void set_info( MPI_Info info);
   static int read(MPI_File fh, void *buf, int count,MPI_Datatype datatype, MPI_Status *status);
@@ -52,9 +57,10 @@ class File{
   static int write_ordered(MPI_File fh, const void *buf, int count,MPI_Datatype datatype, MPI_Status *status);
   template <int (*T)(MPI_File, void *, int, MPI_Datatype, MPI_Status *)> int op_all(void *buf, int count,MPI_Datatype datatype, MPI_Status *status);
   static int close(MPI_File *fh);
-  static int del(const char *filename, MPI_Info info);
+  static int del(const char* filename, const Info* info);
   MPI_Errhandler errhandler();
   void set_errhandler( MPI_Errhandler errhandler);
+  static File* f2c(int id);
 };
 
   /* Read_all, Write_all : loosely based on */
@@ -71,7 +77,7 @@ class File{
     int size =  comm_->size();
     int rank = comm_-> rank();
     MPI_Offset min_offset = file_->tell();
-    MPI_Offset max_offset = (min_offset + count * datatype->size());//cheating, as we don't care about exact data location, we can skip extent
+    MPI_Offset max_offset = min_offset + count * datatype->get_extent();//cheating, as we don't care about exact data location, we can skip extent
     MPI_Offset* min_offsets = new MPI_Offset[size];
     MPI_Offset* max_offsets = new MPI_Offset[size];
     simgrid::smpi::colls::allgather(&min_offset, 1, MPI_OFFSET, min_offsets, 1, MPI_OFFSET, comm_);