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/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*
* These symbols are in a file by themselves to provide nice linker
* semantics. Since linkers generally pull in symbols by object
* files, keeping these symbols as the only symbols in this file
* prevents utility programs such as "ompi_info" from having to import
* entire components just to query their version and parameters.
*/
#include "opal_config.h"
#include "opal/constants.h"
#include "opal/mca/paffinity/paffinity.h"
#include "paffinity_linux.h"
/*
* Public string showing the paffinity ompi_linux component version number
*/
const char *opal_paffinity_linux_component_version_string =
"OPAL linux paffinity MCA component version " OMPI_VERSION;
/*
* Local function
*/
static int linux_open(void);
/*
* Instantiate the public struct with all of our public information
* and pointers to our public functions in it
*/
const opal_paffinity_base_component_1_0_0_t mca_paffinity_linux_component = {
/* First, the mca_component_t struct containing meta information
about the component itself */
{
/* Indicate that we are a paffinity v1.0.0 component (which also
implies a specific MCA version) */
OPAL_PAFFINITY_BASE_VERSION_1_0_0,
/* Component name and version */
"linux",
OMPI_MAJOR_VERSION,
OMPI_MINOR_VERSION,
OMPI_RELEASE_VERSION,
/* Component open and close functions */
linux_open,
NULL
},
/* Next the MCA v1.0.0 component meta data */
{
/* Whether the component is checkpointable or not */
true
},
/* Query function */
opal_paffinity_linux_component_query
};
static int linux_open(void)
{
mca_base_param_reg_int(&mca_paffinity_linux_component.paffinityc_version,
"priority",
"Priority of the linux paffinity component",
false, false, 10, NULL);
mca_base_param_reg_int(&mca_paffinity_linux_component.paffinityc_version,
"have_cpu_set_t",
"Whether this component was compiled on a system with the type cpu_set_t or not (1 = yes, 0 = no)",
false, true,
#ifdef HAVE_cpu_set_t
HAVE_cpu_set_t,
#else
0,
#endif
NULL);
mca_base_param_reg_int(&mca_paffinity_linux_component.paffinityc_version,
"CPU_ZERO_ok",
"Whether this component was compiled on a system where CPU_ZERO() is functional or broken (1 = functional, 0 = broken/not available)",
false, true,
#ifdef HAVE_CPU_ZERO
HAVE_CPU_ZERO,
#else
/* If we don't have cpu_set_t, then the
macro CPU_ZERO does not exist */
0,
#endif
NULL);
mca_base_param_reg_int(&mca_paffinity_linux_component.paffinityc_version,
"sched_setaffinity_num_params",
"The number of parameters that sched_set_affinity() takes on the machine where this component was compiled",
false, true,
#ifdef OPAL_PAFFINITY_LINUX_SCHED_SETAFF_NUM_PARAMS
OPAL_PAFFINITY_LINUX_SCHED_SETAFF_NUM_PARAMS,
#else
/* If we do not have cpu_set_t, we don't
check for the number of params (and
therefore OPAL_..._SETAFF_NUM_PARAMS is
undefined), because the only variant
that does not have the type cpu_set_t
has 3 params for sched_set_affinity() */
3,
#endif
NULL);
return OPAL_SUCCESS;
}
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