4.115
Last change
on this file since 24934e36 was
24934e36,
checked in by Sebastian Huber <sebastian.huber@…>, on 04/03/14 at 13:03:35
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score: Add scheduler control to scheduler ops
Scheduler operations must be free of a global scheduler context to
enable partitioned/clustered scheduling.
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-
Property mode set to
100644
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File size:
972 bytes
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Announce a Clock Tick |
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5 | * @ingroup ClassicClock |
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6 | */ |
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7 | |
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8 | /* |
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9 | * COPYRIGHT (c) 1989-2009. |
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10 | * On-Line Applications Research Corporation (OAR). |
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11 | * |
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12 | * The license and distribution terms for this file may be |
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13 | * found in the file LICENSE in this distribution or at |
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14 | * http://www.rtems.org/license/LICENSE. |
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15 | */ |
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16 | |
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17 | #if HAVE_CONFIG_H |
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18 | #include "config.h" |
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19 | #endif |
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20 | |
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21 | #include <rtems/rtems/clock.h> |
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22 | #include <rtems/score/schedulerimpl.h> |
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23 | #include <rtems/score/threadimpl.h> |
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24 | #include <rtems/score/todimpl.h> |
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25 | #include <rtems/score/watchdogimpl.h> |
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26 | |
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27 | rtems_status_code rtems_clock_tick( void ) |
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28 | { |
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29 | #if defined( RTEMS_SMP ) |
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30 | _Thread_Disable_dispatch(); |
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31 | #endif |
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32 | |
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33 | _TOD_Tickle_ticks(); |
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34 | |
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35 | _Watchdog_Tickle_ticks(); |
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36 | |
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37 | _Scheduler_Tick( _Scheduler_Get( NULL ) ); |
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38 | |
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39 | #if defined( RTEMS_SMP ) |
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40 | _Thread_Enable_dispatch(); |
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41 | #else |
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42 | if ( _Thread_Is_context_switch_necessary() && |
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43 | _Thread_Dispatch_is_enabled() ) |
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44 | _Thread_Dispatch(); |
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45 | #endif |
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46 | |
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47 | return RTEMS_SUCCESSFUL; |
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48 | } |
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