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// -*- c++ -*-
//
// Copyright (c) 2006-2016 Los Alamos National Security, LLC. All rights
// reserved.
// Copyright (c) 2007-2009 Cisco Systems, Inc. All rights reserved.
// $COPYRIGHT$
//
// Additional copyrights may follow
//
// $HEADER$
//
// Do not include ompi_config.h before mpi.h because it causes
// malloc/free problems due to setting OMPI_BUILDING to 1
#include "mpi.h"
#include "ompi/constants.h"
#include "ompi/mpi/cxx/mpicxx.h"
#include "cxx_glue.h"
void
MPI::File::Close()
{
(void) MPI_File_close(&mpi_file);
}
MPI::Errhandler
MPI::File::Create_errhandler(MPI::File::Errhandler_function* function)
{
return ompi_cxx_errhandler_create_file ((ompi_cxx_dummy_fn_t *) function);
}
//
// Infrastructure for MPI_REGISTER_DATAREP
//
// Similar to what we have to do in the F77 bindings: call the C
// MPI_Register_datarep function with "intercept" callback functions
// that conform to the C bindings. In these intercepts, convert the
// arguments to C++ calling convertions, and then invoke the actual
// C++ callbacks.
// Data structure passed to the intercepts (see below). It is an OPAL
// list_item_t so that we can clean this memory up during
// MPI_FINALIZE.
// Intercept function for read conversions
static int read_intercept_fn(void *userbuf, MPI_Datatype type_c, int count_c,
void *filebuf, MPI_Offset position_c,
void *extra_state)
{
MPI::Datatype type_cxx(type_c);
MPI::Offset position_cxx(position_c);
ompi_cxx_intercept_file_extra_state_t *intercept_data =
(ompi_cxx_intercept_file_extra_state_t*) extra_state;
MPI::Datarep_conversion_function *read_fn_cxx =
(MPI::Datarep_conversion_function *) intercept_data->read_fn_cxx;
read_fn_cxx (userbuf, type_cxx, count_c, filebuf, position_cxx,
intercept_data->extra_state_cxx);
return MPI_SUCCESS;
}
// Intercept function for write conversions
static int write_intercept_fn(void *userbuf, MPI_Datatype type_c, int count_c,
void *filebuf, MPI_Offset position_c,
void *extra_state)
{
MPI::Datatype type_cxx(type_c);
MPI::Offset position_cxx(position_c);
ompi_cxx_intercept_file_extra_state_t *intercept_data =
(ompi_cxx_intercept_file_extra_state_t*) extra_state;
MPI::Datarep_conversion_function *write_fn_cxx =
(MPI::Datarep_conversion_function *) intercept_data->write_fn_cxx;
write_fn_cxx (userbuf, type_cxx, count_c, filebuf, position_cxx,
intercept_data->extra_state_cxx);
return MPI_SUCCESS;
}
// Intercept function for extent calculations
static int extent_intercept_fn(MPI_Datatype type_c, MPI_Aint *file_extent_c,
void *extra_state)
{
MPI::Datatype type_cxx(type_c);
MPI::Aint file_extent_cxx(*file_extent_c);
ompi_cxx_intercept_file_extra_state_t *intercept_data =
(ompi_cxx_intercept_file_extra_state_t*) extra_state;
MPI::Datarep_extent_function *extent_fn_cxx =
(MPI::Datarep_extent_function *) intercept_data->extent_fn_cxx;
extent_fn_cxx (type_cxx, file_extent_cxx, intercept_data->extra_state_cxx);
*file_extent_c = file_extent_cxx;
return MPI_SUCCESS;
}
// C++ bindings for MPI::Register_datarep
void
MPI::Register_datarep(const char* datarep,
Datarep_conversion_function* read_fn_cxx,
Datarep_conversion_function* write_fn_cxx,
Datarep_extent_function* extent_fn_cxx,
void* extra_state_cxx)
{
ompi_cxx_intercept_file_extra_state_t *intercept;
intercept = ompi_cxx_new_intercept_state ((void *) read_fn_cxx, (void *) write_fn_cxx,
(void *) extent_fn_cxx, extra_state_cxx);
if (NULL == intercept) {
ompi_cxx_errhandler_invoke_file (MPI_FILE_NULL, OMPI_ERR_OUT_OF_RESOURCE,
"MPI::Register_datarep");
return;
}
(void)MPI_Register_datarep (const_cast<char*>(datarep), read_intercept_fn,
write_intercept_fn, extent_intercept_fn, intercept);
}
void
MPI::Register_datarep(const char* datarep,
MPI_Datarep_conversion_function* read_fn_c,
Datarep_conversion_function* write_fn_cxx,
Datarep_extent_function* extent_fn_cxx,
void* extra_state_cxx)
{
ompi_cxx_intercept_file_extra_state_t *intercept;
intercept = ompi_cxx_new_intercept_state (NULL, (void *) write_fn_cxx, (void *) extent_fn_cxx,
extra_state_cxx);
if (NULL == intercept) {
ompi_cxx_errhandler_invoke_file (MPI_FILE_NULL, OMPI_ERR_OUT_OF_RESOURCE,
"MPI::Register_datarep");
return;
}
(void)MPI_Register_datarep (const_cast<char*>(datarep), read_fn_c, write_intercept_fn,
extent_intercept_fn, intercept);
}
void
MPI::Register_datarep(const char* datarep,
Datarep_conversion_function* read_fn_cxx,
MPI_Datarep_conversion_function* write_fn_c,
Datarep_extent_function* extent_fn_cxx,
void* extra_state_cxx)
{
ompi_cxx_intercept_file_extra_state_t *intercept;
intercept = ompi_cxx_new_intercept_state ((void *) read_fn_cxx, NULL, (void *) extent_fn_cxx,
extra_state_cxx);
if (NULL == intercept) {
ompi_cxx_errhandler_invoke_file (MPI_FILE_NULL, OMPI_ERR_OUT_OF_RESOURCE,
"MPI::Register_datarep");
return;
}
(void)MPI_Register_datarep (const_cast<char*>(datarep), read_intercept_fn, write_fn_c,
extent_intercept_fn, intercept);
}
void
MPI::Register_datarep(const char* datarep,
MPI_Datarep_conversion_function* read_fn_c,
MPI_Datarep_conversion_function* write_fn_c,
Datarep_extent_function* extent_fn_cxx,
void* extra_state_cxx)
{
ompi_cxx_intercept_file_extra_state_t *intercept;
intercept = ompi_cxx_new_intercept_state (NULL, NULL, (void *) extent_fn_cxx, extra_state_cxx);
if (NULL == intercept) {
ompi_cxx_errhandler_invoke_file (MPI_FILE_NULL, OMPI_ERR_OUT_OF_RESOURCE,
"MPI::Register_datarep");
return;
}
(void)MPI_Register_datarep (const_cast<char*>(datarep), read_fn_c, write_fn_c,
extent_intercept_fn, intercept);
}
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