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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2018-2021 Triad National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "ompi/mpi/c/bindings.h"
#include "ompi/runtime/params.h"
#include "ompi/info/info.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/instance/instance.h"
#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Session_init = PMPI_Session_init
#endif
#define MPI_Session_init PMPI_Session_init
#endif
static const char FUNC_NAME[] = "MPI_Session_init";
int MPI_Session_init (MPI_Info info, MPI_Errhandler errhandler, MPI_Session *session)
{
int rc, flag;
int ts_level = MPI_THREAD_SINGLE; /* for now we default to thread single for OMPI sessions */
opal_cstring_t *info_value;
const char ts_level_multi[] = "MPI_THREAD_MULTIPLE";
if ( MPI_PARAM_CHECK ) {
if (NULL == errhandler || NULL == session) {
return MPI_ERR_ARG;
}
if (NULL == info || ompi_info_is_freed (info)) {
return MPI_ERR_INFO;
}
}
if (MPI_INFO_NULL != info) {
(void) ompi_info_get (info, "thread_level", &info_value, &flag);
if (flag) {
if(strncmp(info_value->string, ts_level_multi, strlen(ts_level_multi)) == 0) {
ts_level = MPI_THREAD_MULTIPLE;
}
OBJ_RELEASE(info_value);
}
}
rc = ompi_mpi_instance_init (ts_level, &info->super, errhandler, session, 0, NULL);
/* if an error occurred raise it on the null session */
OMPI_ERRHANDLER_RETURN (rc, MPI_SESSION_NULL, rc, FUNC_NAME);
}
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