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- Untitled
- Thursday, November 16th, 2006 at 8:10:06am MST
- --- zend_alloc.c.orig 2006-11-13 11:30:56.000000000 +0000
- +++ zend_alloc.c 2006-11-16 15:08:36.811910300 +0000
- @@ -381,18 +381,19 @@
- #define ZEND_MM_ALIGNED_SIZE(size) ((size + ZEND_MM_ALIGNMENT - 1) & ZEND_MM_ALIGNMENT_MASK)
- #define ZEND_MM_ALIGNED_HEADER_SIZE ZEND_MM_ALIGNED_SIZE(sizeof(zend_mm_block))
- #define ZEND_MM_ALIGNED_FREE_HEADER_SIZE ZEND_MM_ALIGNED_SIZE(sizeof(zend_mm_free_block))
- -#define ZEND_MM_ALIGNED_MIN_HEADER_SIZE (sizeof(zend_mm_block)+END_MAGIC_SIZE>sizeof(zend_mm_free_block)?ZEND_MM_ALIGNED_SIZE(sizeof(zend_mm_block)+END_MAGIC_SIZE):ZEND_MM_ALIGNED_SIZE(sizeof(zend_mm_free_block)))
- +#define ZEND_MM_MIN_ALLOC_BLOCK_SIZE ZEND_MM_ALIGNED_SIZE(ZEND_MM_ALIGNED_HEADER_SIZE + END_MAGIC_SIZE)
- +#define ZEND_MM_ALIGNED_MIN_FREE_SIZE ((ZEND_MM_MIN_ALLOC_BLOCK_SIZE > ZEND_MM_ALIGNED_FREE_HEADER_SIZE)?(ZEND_MM_MIN_ALLOC_BLOCK_SIZE):(ZEND_MM_ALIGNED_FREE_HEADER_SIZE))
- #define ZEND_MM_ALIGNED_SEGMENT_SIZE ZEND_MM_ALIGNED_SIZE(sizeof(zend_mm_segment))
- -#define ZEND_MM_MIN_SIZE (ZEND_MM_ALIGNED_MIN_HEADER_SIZE-(ZEND_MM_ALIGNED_HEADER_SIZE+END_MAGIC_SIZE))
- +#define ZEND_MM_MIN_SIZE (ZEND_MM_ALIGNED_MIN_FREE_SIZE-(ZEND_MM_ALIGNED_HEADER_SIZE+END_MAGIC_SIZE))
- -#define ZEND_MM_MAX_SMALL_SIZE (((ZEND_MM_NUM_BUCKETS-1)<<ZEND_MM_ALIGNMENT_LOG2)+ZEND_MM_ALIGNED_MIN_HEADER_SIZE)
- +#define ZEND_MM_MAX_SMALL_SIZE (((ZEND_MM_NUM_BUCKETS-2)<<ZEND_MM_ALIGNMENT_LOG2)+ZEND_MM_ALIGNED_MIN_FREE_SIZE)
- -#define ZEND_MM_TRUE_SIZE(size) (((long)size<(long)ZEND_MM_MIN_SIZE)?(ZEND_MM_ALIGNED_MIN_HEADER_SIZE):(ZEND_MM_ALIGNED_SIZE(size+ZEND_MM_ALIGNED_HEADER_SIZE+END_MAGIC_SIZE)))
- +#define ZEND_MM_TRUE_SIZE(size) (((long)size<(long)ZEND_MM_MIN_SIZE)?(ZEND_MM_ALIGNED_MIN_FREE_SIZE):(ZEND_MM_ALIGNED_SIZE(size+ZEND_MM_ALIGNED_HEADER_SIZE+END_MAGIC_SIZE)))
- -#define ZEND_MM_BUCKET_INDEX(true_size) ((true_size>>ZEND_MM_ALIGNMENT_LOG2)-(ZEND_MM_ALIGNED_MIN_HEADER_SIZE>>ZEND_MM_ALIGNMENT_LOG2)+1)
- +#define ZEND_MM_BUCKET_INDEX(true_size) ((true_size>>ZEND_MM_ALIGNMENT_LOG2)-(ZEND_MM_ALIGNED_MIN_FREE_SIZE>>ZEND_MM_ALIGNMENT_LOG2)+1)
- -#define ZEND_MM_SMALL_SIZE(true_size) (true_size < ZEND_MM_MAX_SMALL_SIZE)
- +#define ZEND_MM_SMALL_SIZE(true_size) (true_size <= ZEND_MM_MAX_SMALL_SIZE)
- /* Memory calculations */
- #define ZEND_MM_BLOCK_AT(blk, offset) ((zend_mm_block *) (((char *) (blk))+(offset)))
- @@ -584,10 +585,13 @@
- zend_mm_heap *heap;
- #if 0
- +{
- + int i;
- for (i = 0; i < ZEND_MM_MAX_SMALL_SIZE; i++) {
- printf("%3d%c: %3ld %d %2ld\n", i, (i == ZEND_MM_MIN_SIZE?'*':' '), (long)ZEND_MM_TRUE_SIZE(i), ZEND_MM_SMALL_SIZE(ZEND_MM_TRUE_SIZE(i)), (long)ZEND_MM_BUCKET_INDEX(ZEND_MM_TRUE_SIZE(i)));
- }
- exit(0);
- +}
- #endif
- storage = handlers->init(params);
- @@ -1163,7 +1167,7 @@
- size_t block_size = ZEND_MM_FREE_BLOCK_SIZE(best_fit);
- size_t remaining_size = block_size - true_size;
- - if (remaining_size < ZEND_MM_ALIGNED_MIN_HEADER_SIZE) {
- + if (remaining_size < ZEND_MM_ALIGNED_MIN_FREE_SIZE) {
- ZEND_MM_BLOCK(best_fit, ZEND_MM_USED_BLOCK, block_size);
- } else {
- zend_mm_free_block *new_free_block;
- @@ -1241,7 +1245,7 @@
- ZEND_MM_LAST_BLOCK(ZEND_MM_BLOCK_AT(best_fit, block_size));
- - if (remaining_size < ZEND_MM_ALIGNED_MIN_HEADER_SIZE) {
- + if (remaining_size < ZEND_MM_ALIGNED_MIN_FREE_SIZE) {
- ZEND_MM_BLOCK(best_fit, ZEND_MM_USED_BLOCK, block_size);
- } else {
- zend_mm_free_block *new_free_block;
- @@ -1399,7 +1403,7 @@
- if (true_size <= ZEND_MM_BLOCK_SIZE(mm_block)) {
- size_t remaining_size = ZEND_MM_BLOCK_SIZE(mm_block) - true_size;
- - if (remaining_size >= ZEND_MM_ALIGNED_MIN_HEADER_SIZE) {
- + if (remaining_size >= ZEND_MM_ALIGNED_MIN_FREE_SIZE) {
- zend_mm_free_block *new_free_block;
- HANDLE_BLOCK_INTERRUPTIONS();
- @@ -1440,7 +1444,7 @@
- HANDLE_BLOCK_INTERRUPTIONS();
- zend_mm_remove_from_free_list(heap, (zend_mm_free_block *) next_block);
- - if (remaining_size < ZEND_MM_ALIGNED_MIN_HEADER_SIZE) {
- + if (remaining_size < ZEND_MM_ALIGNED_MIN_FREE_SIZE) {
- ZEND_MM_BLOCK(mm_block, ZEND_MM_USED_BLOCK, block_size);
- } else {
- zend_mm_free_block *new_free_block;
- @@ -1540,7 +1544,7 @@
- /* setup guard block */
- ZEND_MM_LAST_BLOCK(ZEND_MM_BLOCK_AT(mm_block, block_size));
- - if (remaining_size < ZEND_MM_ALIGNED_MIN_HEADER_SIZE) {
- + if (remaining_size < ZEND_MM_ALIGNED_MIN_FREE_SIZE) {
- ZEND_MM_BLOCK(mm_block, ZEND_MM_USED_BLOCK, block_size);
- } else {
- zend_mm_free_block *new_free_block;
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