1 | /* |
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2 | * Thread Handler |
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3 | * |
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4 | * |
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5 | * COPYRIGHT (c) 1989-1999. |
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6 | * On-Line Applications Research Corporation (OAR). |
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7 | * |
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8 | * The license and distribution terms for this file may be |
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9 | * found in found in the file LICENSE in this distribution or at |
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10 | * http://www.rtems.com/license/LICENSE. |
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11 | * |
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12 | * $Id$ |
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13 | */ |
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14 | |
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15 | #if HAVE_CONFIG_H |
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16 | #include "config.h" |
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17 | #endif |
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18 | |
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19 | #include <rtems/system.h> |
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20 | #include <rtems/score/apiext.h> |
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21 | #include <rtems/score/context.h> |
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22 | #include <rtems/score/interr.h> |
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23 | #include <rtems/score/isr.h> |
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24 | #include <rtems/score/object.h> |
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25 | #include <rtems/score/priority.h> |
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26 | #include <rtems/score/states.h> |
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27 | #include <rtems/score/sysstate.h> |
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28 | #include <rtems/score/thread.h> |
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29 | #include <rtems/score/threadq.h> |
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30 | #include <rtems/score/userext.h> |
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31 | #include <rtems/score/wkspace.h> |
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32 | |
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33 | /* |
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34 | * _Thread_Restart |
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35 | * |
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36 | * DESCRIPTION: |
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37 | * |
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38 | * This support routine restarts the specified task in a way that the |
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39 | * next time this thread executes, it will begin execution at its |
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40 | * original starting point. |
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41 | */ |
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42 | |
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43 | bool _Thread_Restart( |
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44 | Thread_Control *the_thread, |
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45 | void *pointer_argument, |
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46 | Thread_Entry_numeric_type numeric_argument |
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47 | ) |
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48 | { |
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49 | if ( !_States_Is_dormant( the_thread->current_state ) ) { |
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50 | |
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51 | _Thread_Set_transient( the_thread ); |
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52 | |
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53 | _Thread_Reset( the_thread, pointer_argument, numeric_argument ); |
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54 | |
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55 | _Thread_Load_environment( the_thread ); |
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56 | |
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57 | _Thread_Ready( the_thread ); |
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58 | |
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59 | _User_extensions_Thread_restart( the_thread ); |
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60 | |
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61 | if ( _Thread_Is_executing ( the_thread ) ) |
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62 | _Thread_Restart_self(); |
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63 | |
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64 | return true; |
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65 | } |
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66 | |
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67 | return false; |
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68 | } |
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