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openmpi/ompi/mpi/tool/cvar_read.c
2013-07-16 16:03:33 +00:00

84 строки
2.1 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2012-2013 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi/mpi/tool/mpit-internal.h"
#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_T_cvar_read = PMPI_T_cvar_read
#endif
#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/tool/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_T_cvar_read";
int MPI_T_cvar_read (MPI_T_cvar_handle handle, void *buf)
{
const mca_base_var_storage_t *value;
int rc = MPI_SUCCESS;
if (!mpit_is_initialized ()) {
return MPI_T_ERR_NOT_INITIALIZED;
}
if (MPI_PARAM_CHECK && NULL == buf) {
return MPI_ERR_ARG;
}
mpit_lock ();
do {
rc = mca_base_var_get_value(handle->var->mbv_index, &value, NULL, NULL);
if (OPAL_SUCCESS != rc) {
/* shouldn't happen */
rc = MPI_ERR_OTHER;
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_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:
((int *) buf)[0] = value->sizetval;
break;
case MCA_BASE_VAR_TYPE_BOOL:
((int *) 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_ERR_OTHER;
}
} while (0);
mpit_unlock ();
return rc;
}