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.rtems.com/license/LICENSE. |
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11 | */ |
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12 | |
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13 | #if HAVE_CONFIG_H |
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14 | #include "config.h" |
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15 | #endif |
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16 | |
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17 | #include <rtems/system.h> |
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18 | #include <rtems/score/address.h> |
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19 | #include <rtems/score/chain.h> |
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20 | #include <rtems/score/object.h> |
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21 | #if defined(RTEMS_MULTIPROCESSING) |
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22 | #include <rtems/score/objectmp.h> |
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23 | #endif |
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24 | #include <rtems/score/thread.h> |
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25 | #include <rtems/score/wkspace.h> |
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26 | #include <rtems/score/sysstate.h> |
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27 | #include <rtems/score/isr.h> |
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28 | |
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29 | /* |
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30 | * _Objects_Free |
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31 | * |
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32 | * DESCRIPTION: |
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33 | * |
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34 | * This function frees a object control block to the |
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35 | * inactive chain of free object control blocks. |
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36 | */ |
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37 | |
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38 | void _Objects_Free( |
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39 | Objects_Information *information, |
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40 | Objects_Control *the_object |
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41 | ) |
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42 | { |
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43 | uint32_t allocation_size = information->allocation_size; |
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44 | |
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45 | _Chain_Append( &information->Inactive, &the_object->Node ); |
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46 | |
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47 | if ( information->auto_extend ) { |
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48 | uint32_t block; |
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49 | |
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50 | block = (uint32_t) (_Objects_Get_index( the_object->id ) - |
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51 | _Objects_Get_index( information->minimum_id )); |
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52 | block /= information->allocation_size; |
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53 | |
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54 | information->inactive_per_block[ block ]++; |
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55 | information->inactive++; |
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56 | |
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57 | /* |
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58 | * Check if the threshold level has been met of |
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59 | * 1.5 x allocation_size are free. |
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60 | */ |
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61 | |
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62 | if ( information->inactive > ( allocation_size + ( allocation_size >> 1 ) ) ) { |
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63 | _Objects_Shrink_information( information ); |
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64 | } |
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65 | } |
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66 | } |
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