source: rtems/cpukit/rtems/src/ratemongetstatus.c @ 66cb142

Last change on this file since 66cb142 was d7feb86, checked in by Kuan-Hsun Chen <c0066c@…>, on Jan 25, 2017 at 8:47:48 PM

Remove rtems_rate_monotonic_postponed_job_count()

Add a variable named "count" in rtems_rate_monotonic_period_status
structure. Revise rtems_rate_monotonic_get_status() for the postponed
job count.

sptests/sp69: Add in the verification of the postponed job count for
rtems_rate_monotonic_get_status().

Update #2795.

  • Property mode set to 100644
File size: 2.2 KB
Line 
1/**
2 *  @file
3 *
4 *  @brief RTEMS Rate Monotonic Get Status
5 *  @ingroup ClassicRateMon
6 */
7
8/*
9 *  COPYRIGHT (c) 1989-2009.
10 *  On-Line Applications Research Corporation (OAR).
11 *  Copyright (c) 2016 embedded brains GmbH.
12 *  Copyright (c) 2017 Kuan-Hsun Chen.
13 *
14 *  The license and distribution terms for this file may be
15 *  found in the file LICENSE in this distribution or at
16 *  http://www.rtems.org/license/LICENSE.
17 */
18
19#if HAVE_CONFIG_H
20#include "config.h"
21#endif
22
23#include <rtems/rtems/ratemonimpl.h>
24
25rtems_status_code rtems_rate_monotonic_get_status(
26  rtems_id                            id,
27  rtems_rate_monotonic_period_status *period_status
28)
29{
30  Rate_monotonic_Control *the_period;
31  ISR_lock_Context        lock_context;
32  rtems_status_code       status;
33
34  if ( period_status == NULL ) {
35    return RTEMS_INVALID_ADDRESS;
36  }
37
38  the_period = _Rate_monotonic_Get( id, &lock_context );
39  if ( the_period == NULL ) {
40    return RTEMS_INVALID_ID;
41  }
42
43  _Rate_monotonic_Acquire_critical( the_period, &lock_context );
44
45  period_status->owner = the_period->owner->Object.id;
46  period_status->state = the_period->state;
47  period_status->postponed_jobs_count = the_period->postponed_jobs;
48
49  if ( the_period->state == RATE_MONOTONIC_INACTIVE ) {
50    /*
51     *  If the period is inactive, there is no information.
52     */
53    _Timespec_Set_to_zero( &period_status->since_last_period );
54    _Timespec_Set_to_zero( &period_status->executed_since_last_period );
55    status = RTEMS_SUCCESSFUL;
56  } else {
57    Timestamp_Control wall_since_last_period;
58    Timestamp_Control cpu_since_last_period;
59    bool              valid_status;
60
61    /*
62     *  Grab the current status.
63     */
64    valid_status = _Rate_monotonic_Get_status(
65      the_period,
66      &wall_since_last_period,
67      &cpu_since_last_period
68    );
69    if ( valid_status ) {
70      _Timestamp_To_timespec(
71        &wall_since_last_period,
72        &period_status->since_last_period
73      );
74      _Timestamp_To_timespec(
75        &cpu_since_last_period,
76        &period_status->executed_since_last_period
77      );
78      status = RTEMS_SUCCESSFUL;
79    } else {
80      status = RTEMS_NOT_DEFINED;
81    }
82  }
83
84  _Rate_monotonic_Release( the_period, &lock_context );
85  return status;
86}
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