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openmpi/opal/mca/timer/windows/timer_windows_component.c
Josh Hursey dadca7da88 Merging in the jjhursey-ft-cr-stable branch (r13912 : HEAD).
This merge adds Checkpoint/Restart support to Open MPI. The initial
frameworks and components support a LAM/MPI-like implementation.

This commit follows the risk assessment presented to the Open MPI core
development group on Feb. 22, 2007.

This commit closes trac:158

More details to follow.

This commit was SVN r14051.

The following SVN revisions from the original message are invalid or
inconsistent and therefore were not cross-referenced:
  r13912

The following Trac tickets were found above:
  Ticket 158 --> https://svn.open-mpi.org/trac/ompi/ticket/158
2007-03-16 23:11:45 +00:00

70 строки
2.0 KiB
C

/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2006 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
*
* $HEADER$
*/
#include "opal_config.h"
#include "opal/mca/timer/timer.h"
#include "opal/mca/timer/windows/timer_windows_component.h"
#include "opal/constants.h"
opal_timer_t opal_timer_windows_freq;
opal_timer_t opal_timer_windows_start;
static int opal_timer_windows_open(void);
const
opal_timer_base_component_1_0_0_t mca_timer_windows_component = {
/* First, the mca_component_t struct containing meta information
about the component itself */
{
/* Indicate that we are a timer v1.0.0 component (which also
implies a specific MCA version) */
OPAL_TIMER_BASE_VERSION_1_0_0,
/* Component name and version */
"windows",
OPAL_MAJOR_VERSION,
OPAL_MINOR_VERSION,
OPAL_RELEASE_VERSION,
/* Component open and close functions */
opal_timer_windows_open,
NULL
},
/* Next the MCA v1.0.0 component meta data */
{
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
};
int
opal_timer_windows_open(void)
{
LARGE_INTEGER now;
if( 0 != QueryPerformanceFrequency( &now ) ) {
opal_timer_windows_freq = now.QuadPart;
QueryPerformanceCounter( &now );
opal_timer_windows_start = now.QuadPart;
return OPAL_SUCCESS;
}
return OPAL_SUCCESS;
}