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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2012-2018 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2014 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2016 Intel, Inc. All rights reserved.
* Copyright (c) 2017 IBM Corporation. All rights reserved.
* Copyright (c) 2020 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2021 Amazon.com, Inc. or its affiliates. All Rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/mpi/tool/mpit-internal.h"
#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_T_cvar_read = PMPI_T_cvar_read
#endif
#define MPI_T_cvar_read PMPI_T_cvar_read
#endif
int MPI_T_cvar_read (MPI_T_cvar_handle handle, void *buf)
{
const mca_base_var_storage_t *value = NULL;
int rc = MPI_SUCCESS;
if (!mpit_is_initialized ()) {
return MPI_T_ERR_NOT_INITIALIZED;
}
if (MPI_PARAM_CHECK && NULL == buf) {
return MPI_T_ERR_INVALID;
}
ompi_mpit_lock ();
do {
rc = mca_base_var_get_value(handle->var->mbv_index, &value, NULL, NULL);
if (OPAL_SUCCESS != rc || NULL == value) {
/* invalid or discarded cvar, ignore */
rc = MPI_T_ERR_INVALID_INDEX;
break;
}
switch (handle->var->mbv_type) {
case MCA_BASE_VAR_TYPE_INT:
case MCA_BASE_VAR_TYPE_UNSIGNED_INT:
((int *) buf)[0] = value->intval;
break;
case MCA_BASE_VAR_TYPE_INT32_T:
case MCA_BASE_VAR_TYPE_UINT32_T:
((int32_t *) buf)[0] = value->int32tval;
break;
case MCA_BASE_VAR_TYPE_INT64_T:
case MCA_BASE_VAR_TYPE_UINT64_T:
((int64_t *) buf)[0] = value->int64tval;
break;
case MCA_BASE_VAR_TYPE_LONG:
case MCA_BASE_VAR_TYPE_UNSIGNED_LONG:
((unsigned long *) buf)[0] = value->ulval;
break;
case MCA_BASE_VAR_TYPE_UNSIGNED_LONG_LONG:
((unsigned long long *) buf)[0] = value->ullval;
break;
case MCA_BASE_VAR_TYPE_SIZE_T:
((size_t *) buf)[0] = value->sizetval;
break;
case MCA_BASE_VAR_TYPE_BOOL:
((bool *) buf)[0] = value->boolval;
break;
case MCA_BASE_VAR_TYPE_DOUBLE:
((double *) buf)[0] = value->lfval;
break;
case MCA_BASE_VAR_TYPE_STRING:
if (NULL == value->stringval) {
((char *)buf)[0] = '\0';
} else {
strcpy ((char *) buf, value->stringval);
}
break;
default:
rc = MPI_T_ERR_INVALID;
}
} while (0);
ompi_mpit_unlock ();
return rc;
}
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