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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-06-25 12:09:50 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-06-25 17:03:22 +0200 |
commit | d0d357edeb8527becced15e2784b92790d2b22c1 (patch) | |
tree | 64985dad8d48fe6b888a7d4faaf3b3cc18c6c7d5 /cpukit/score/include/rtems/score/heap.h | |
parent | heap: Free all delayed blocks during resize (diff) | |
download | rtems-d0d357edeb8527becced15e2784b92790d2b22c1.tar.bz2 |
heap: Add _Heap_Greedy_allocate_all_except_largest
Add rtems_workspace_greedy_allocate_all_except_largest() and
rtems_heap_greedy_allocate_all_except_largest().
Diffstat (limited to 'cpukit/score/include/rtems/score/heap.h')
-rw-r--r-- | cpukit/score/include/rtems/score/heap.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/cpukit/score/include/rtems/score/heap.h b/cpukit/score/include/rtems/score/heap.h index 2937490896..bea9f3ec25 100644 --- a/cpukit/score/include/rtems/score/heap.h +++ b/cpukit/score/include/rtems/score/heap.h @@ -595,7 +595,7 @@ void _Heap_Iterate( /** * @brief Greedy allocate that empties the heap. * - * Afterward the heap has at most @a block_count allocateable blocks of sizes + * Afterwards the heap has at most @a block_count allocatable blocks of sizes * specified by @a block_sizes. The @a block_sizes must point to an array with * @a block_count members. All other blocks are used. * @@ -608,6 +608,20 @@ Heap_Block *_Heap_Greedy_allocate( ); /** + * @brief Greedy allocate all blocks except the largest free block. + * + * Afterwards the heap has at most one allocatable block. This block is the + * largest free block if it exists. The allocatable size of this block is + * stored in @a allocatable_size. All other blocks are used. + * + * @see _Heap_Greedy_free(). + */ +Heap_Block *_Heap_Greedy_allocate_all_except_largest( + Heap_Control *heap, + uintptr_t *allocatable_size +); + +/** * @brief Frees blocks of a greedy allocation. * * The @a blocks must be the return value of _Heap_Greedy_allocate(). |