1 | /* |
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2 | * Object 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 the file LICENSE in this distribution or at |
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10 | * http://www.OARcorp.com/rtems/license.html. |
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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 | #include <rtems/system.h> |
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16 | #include <rtems/score/address.h> |
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17 | #include <rtems/score/chain.h> |
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18 | #include <rtems/score/object.h> |
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19 | #if defined(RTEMS_MULTIPROCESSING) |
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20 | #include <rtems/score/objectmp.h> |
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21 | #endif |
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22 | #include <rtems/score/thread.h> |
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23 | #include <rtems/score/wkspace.h> |
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24 | #include <rtems/score/sysstate.h> |
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25 | #include <rtems/score/isr.h> |
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26 | |
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27 | /*PAGE |
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28 | * |
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29 | * _Objects_Free |
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30 | * |
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31 | * DESCRIPTION: |
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32 | * |
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33 | * This function frees a object control block to the |
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34 | * inactive chain of free object control blocks. |
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35 | */ |
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36 | |
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37 | void _Objects_Free( |
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38 | Objects_Information *information, |
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39 | Objects_Control *the_object |
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40 | ) |
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41 | { |
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42 | unsigned32 allocation_size = information->allocation_size; |
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43 | |
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44 | _Chain_Append( &information->Inactive, &the_object->Node ); |
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45 | |
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46 | if ( information->auto_extend ) { |
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47 | unsigned32 block; |
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48 | |
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49 | block = |
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50 | _Objects_Get_index( the_object->id ) - _Objects_Get_index( information->minimum_id ); |
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51 | block /= information->allocation_size; |
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52 | |
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53 | information->inactive_per_block[ block ]++; |
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54 | information->inactive++; |
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55 | |
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56 | /* |
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57 | * Check if the threshold level has been met of |
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58 | * 1.5 x allocation_size are free. |
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59 | */ |
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60 | |
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61 | if ( information->inactive > ( allocation_size + ( allocation_size >> 1 ) ) ) { |
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62 | _Objects_Shrink_information( information ); |
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63 | } |
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64 | } |
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65 | } |
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