70 строки
2.0 KiB
C
70 строки
2.0 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2006 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "opal_config.h"
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#include "opal/mca/timer/timer.h"
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#include "opal/mca/timer/windows/timer_windows_component.h"
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#include "opal/constants.h"
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opal_timer_t opal_timer_windows_freq;
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opal_timer_t opal_timer_windows_start;
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static int opal_timer_windows_open(void);
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const
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opal_timer_base_component_1_0_0_t mca_timer_windows_component = {
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/* First, the mca_component_t struct containing meta information
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about the component itself */
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{
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/* Indicate that we are a timer v1.0.0 component (which also
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implies a specific MCA version) */
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OPAL_TIMER_BASE_VERSION_1_0_0,
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/* Component name and version */
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"windows",
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OPAL_MAJOR_VERSION,
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OPAL_MINOR_VERSION,
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OPAL_RELEASE_VERSION,
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/* Component open and close functions */
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opal_timer_windows_open,
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NULL
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},
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/* Next the MCA v1.0.0 component meta data */
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{
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/* Whether the component is checkpointable or not */
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true
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},
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};
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int
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opal_timer_windows_open(void)
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{
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LARGE_INTEGER now;
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if( 0 != QueryPerformanceFrequency( &now ) ) {
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opal_timer_windows_freq = now.QuadPart;
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QueryPerformanceCounter( &now );
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opal_timer_windows_start = now.QuadPart;
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return OPAL_SUCCESS;
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}
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return OPAL_SUCCESS;
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}
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