[317a5b5] | 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) 1989-1998. |
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| 6 | * On-Line Applications Research Corporation (OAR). |
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| 7 | * Copyright assigned to U.S. Government, 1994. |
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| 8 | * |
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| 9 | * The license and distribution terms for this file may be |
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| 10 | * found in the file LICENSE in this distribution or at |
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| 11 | * http://www.OARcorp.com/rtems/license.html. |
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| 12 | * |
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| 13 | * $Id$ |
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| 14 | */ |
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| 15 | |
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| 16 | #include <rtems/system.h> |
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| 17 | #include <rtems/score/address.h> |
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| 18 | #include <rtems/score/chain.h> |
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| 19 | #include <rtems/score/object.h> |
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| 20 | #if defined(RTEMS_MULTIPROCESSING) |
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| 21 | #include <rtems/score/objectmp.h> |
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| 22 | #endif |
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| 23 | #include <rtems/score/thread.h> |
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| 24 | #include <rtems/score/wkspace.h> |
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| 25 | #include <rtems/score/sysstate.h> |
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| 26 | #include <rtems/score/isr.h> |
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| 27 | |
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| 28 | /*PAGE |
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| 29 | * |
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| 30 | * _Objects_Allocate_by_index |
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| 31 | * |
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| 32 | * DESCRIPTION: |
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| 33 | * |
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| 34 | * This function allocates the object control block |
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| 35 | * specified by the index from the inactive chain of |
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| 36 | * free object control blocks. |
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| 37 | */ |
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| 38 | |
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| 39 | Objects_Control *_Objects_Allocate_by_index( |
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| 40 | Objects_Information *information, |
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| 41 | unsigned32 index, |
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| 42 | unsigned32 sizeof_control |
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| 43 | ) |
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| 44 | { |
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| 45 | Objects_Control *the_object; |
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| 46 | |
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| 47 | if ( index && information->maximum >= index ) { |
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[59d1127] | 48 | /* |
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| 49 | * If the object is already in the local table, then |
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| 50 | * it has already been allocated/created by a previous |
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| 51 | * create call. |
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| 52 | */ |
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| 53 | |
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[317a5b5] | 54 | the_object = _Objects_Get_local_object( information, index ); |
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| 55 | if ( the_object ) |
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| 56 | return NULL; |
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| 57 | |
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| 58 | /* XXX |
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| 59 | * This whole section of code needs to be addressed. |
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[59d1127] | 60 | * + The use of the index 0 for object_blocks should be dealt |
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| 61 | * with more properly so we can autoextend. |
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[317a5b5] | 62 | * + etc. |
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| 63 | */ |
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| 64 | |
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[59d1127] | 65 | the_object = (Objects_Control *) information->object_blocks[ 0 ]; |
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[317a5b5] | 66 | |
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| 67 | _Chain_Extract( &the_object->Node ); |
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| 68 | |
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| 69 | return the_object; |
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| 70 | } |
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| 71 | |
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| 72 | /* |
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| 73 | * Autoextend will have to be thought out as it applies |
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| 74 | * to user assigned indices. |
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| 75 | */ |
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| 76 | |
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| 77 | return NULL; |
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| 78 | } |
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