mpi/cxx: fix warnings

Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov>

ompi/mpi/cxx/comm.cc

@@ -51,7 +51,7 @@ MPI::Comm::Comm(const Comm_Null& data) : Comm_Null(data)
 MPI::Errhandler
 MPI::Comm::Create_errhandler(MPI::Comm::_MPI2CPP_ERRHANDLERFN_* function)
 {
-    return ompi_cxx_errhandler_create_comm ((void *) function);
+    return ompi_cxx_errhandler_create_comm ((ompi_cxx_dummy_fn_t *) function);
 }
 
 

ompi/mpi/cxx/cxx_glue.c

@@ -92,7 +92,7 @@ int ompi_cxx_attr_create_keyval_type (MPI_Type_copy_attr_function *copy_fn,
     return ompi_attr_create_keyval (TYPE_ATTR, copy_fn_u, delete_fn_u, keyval, extra_state, 0, NULL);
 }
 
-MPI_Errhandler ompi_cxx_errhandler_create_comm (void *fn)
+MPI_Errhandler ompi_cxx_errhandler_create_comm (ompi_cxx_dummy_fn_t *fn)
 {
     ompi_errhandler_t *errhandler;
     errhandler = ompi_errhandler_create(OMPI_ERRHANDLER_TYPE_COMM,
@@ -103,7 +103,7 @@ MPI_Errhandler ompi_cxx_errhandler_create_comm (void *fn)
     return errhandler;
 }
 
-MPI_Errhandler ompi_cxx_errhandler_create_win (void *fn)
+MPI_Errhandler ompi_cxx_errhandler_create_win (ompi_cxx_dummy_fn_t *fn)
 {
     ompi_errhandler_t *errhandler;
     errhandler = ompi_errhandler_create(OMPI_ERRHANDLER_TYPE_WIN,
@@ -115,7 +115,7 @@ MPI_Errhandler ompi_cxx_errhandler_create_win (void *fn)
 }
 
 #if OMPI_PROVIDE_MPI_FILE_INTERFACE
-MPI_Errhandler ompi_cxx_errhandler_create_file (void *fn)
+MPI_Errhandler ompi_cxx_errhandler_create_file (ompi_cxx_dummy_fn_t *fn)
 {
     ompi_errhandler_t *errhandler;
     errhandler = ompi_errhandler_create(OMPI_ERRHANDLER_TYPE_FILE,
@@ -147,12 +147,6 @@ ompi_cxx_intercept_file_extra_state_t
     return &intercept->state;
 }
 
-void ompi_cxx_errhandler_set_dispatch_fn (ompi_errhandler_t *errhandler,
-                                          ompi_errhandler_cxx_dispatch_fn_t *dispatch_fn)
-{
-    errhandler->eh_cxx_dispatch_fn = dispatch_fn;
-}
-
 void ompi_cxx_errhandler_set_callbacks (struct ompi_errhandler_t *errhandler, MPI_Comm_errhandler_function *eh_comm_fn,
                                         ompi_file_errhandler_fn *eh_file_fn, MPI_Win_errhandler_function *eh_win_fn)
 {

ompi/mpi/cxx/cxx_glue.h

@@ -49,6 +49,7 @@ extern struct ompi_predefined_errhandler_t ompi_mpi_errors_throw_exceptions;
  */
 typedef void (ompi_errhandler_cxx_dispatch_fn_t)(void *handle, int *err_code,
                                                  const char *message, ompi_errhandler_generic_handler_fn_t *fn);
+typedef void (ompi_cxx_dummy_fn_t) (void);
 
 ompi_cxx_communicator_type_t ompi_cxx_comm_get_type (MPI_Comm comm);
 
@@ -74,9 +75,9 @@ void ompi_mpi_cxx_file_errhandler_invoke (MPI_File *mpi_comm, int *err,
                                           const char *message, void *file_fn);
 #endif
 
-MPI_Errhandler ompi_cxx_errhandler_create_comm (void *fn);
-MPI_Errhandler ompi_cxx_errhandler_create_win (void *fn);
-MPI_Errhandler ompi_cxx_errhandler_create_file (void *fn);
+MPI_Errhandler ompi_cxx_errhandler_create_comm (ompi_cxx_dummy_fn_t *fn);
+MPI_Errhandler ompi_cxx_errhandler_create_win (ompi_cxx_dummy_fn_t *fn);
+MPI_Errhandler ompi_cxx_errhandler_create_file (ompi_cxx_dummy_fn_t *fn);
 
 ompi_cxx_intercept_file_extra_state_t
 *ompi_cxx_new_intercept_state (void *read_fn_cxx, void *write_fn_cxx, void *extent_fn_cxx,

ompi/mpi/cxx/file.cc

@@ -28,7 +28,7 @@ MPI::File::Close()
 MPI::Errhandler
 MPI::File::Create_errhandler(MPI::File::Errhandler_function* function)
 {
-    return ompi_cxx_errhandler_create_file ((void *) function);
+    return ompi_cxx_errhandler_create_file ((ompi_cxx_dummy_fn_t *) function);
 }
 
 

ompi/mpi/cxx/win.cc

@@ -28,7 +28,7 @@ MPI::Win::Free()
 MPI::Errhandler
 MPI::Win::Create_errhandler(MPI::Win::Errhandler_function* function)
 {
-    return ompi_cxx_errhandler_create_win ((void *) function);
+    return ompi_cxx_errhandler_create_win ((ompi_cxx_dummy_fn_t *) function);
 }