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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSImplClassicRateMonotonic
*
* @brief This source file contains the implementation of
* rtems_rate_monotonic_get_status().
*/
/*
* COPYRIGHT (c) 1989-2009.
* On-Line Applications Research Corporation (OAR).
* Copyright (c) 2016 embedded brains GmbH & Co. KG
* Copyright (c) 2017 Kuan-Hsun Chen.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/rtems/ratemonimpl.h>
rtems_status_code rtems_rate_monotonic_get_status(
rtems_id id,
rtems_rate_monotonic_period_status *period_status
)
{
Rate_monotonic_Control *the_period;
ISR_lock_Context lock_context;
if ( period_status == NULL ) {
return RTEMS_INVALID_ADDRESS;
}
the_period = _Rate_monotonic_Get( id, &lock_context );
if ( the_period == NULL ) {
return RTEMS_INVALID_ID;
}
_Rate_monotonic_Acquire_critical( the_period, &lock_context );
period_status->owner = the_period->owner->Object.id;
period_status->state = the_period->state;
period_status->postponed_jobs_count = the_period->postponed_jobs;
if ( the_period->state == RATE_MONOTONIC_INACTIVE ) {
/*
* If the period is inactive, there is no information.
*/
_Timespec_Set_to_zero( &period_status->since_last_period );
_Timespec_Set_to_zero( &period_status->executed_since_last_period );
} else {
Timestamp_Control wall_since_last_period;
Timestamp_Control cpu_since_last_period;
/*
* Grab the current status.
*/
_Rate_monotonic_Get_status(
the_period,
&wall_since_last_period,
&cpu_since_last_period
);
_Timestamp_To_timespec(
&wall_since_last_period,
&period_status->since_last_period
);
_Timestamp_To_timespec(
&cpu_since_last_period,
&period_status->executed_since_last_period
);
}
_Rate_monotonic_Release( the_period, &lock_context );
return RTEMS_SUCCESSFUL;
}
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