| J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2004 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * |
| 8 | * - Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * |
| 15 | * - Neither the name of Sun Microsystems nor the names of its |
| 16 | * contributors may be used to endorse or promote products derived |
| 17 | * from this software without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| 20 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| 21 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| 23 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 24 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 25 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 26 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 27 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 28 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 29 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | #ifndef HPROF_BLOCKS_H |
| 33 | #define HPROF_BLOCKS_H |
| 34 | |
| 35 | typedef struct BlockHeader { |
| 36 | struct BlockHeader *next; |
| 37 | int bytes_left; |
| 38 | int next_pos; |
| 39 | } BlockHeader; |
| 40 | |
| 41 | typedef struct Blocks { |
| 42 | BlockHeader *first_block; /* Pointer to first BlockHeader */ |
| 43 | BlockHeader *current_block; /* Pointer to current BlockHeader */ |
| 44 | int alignment; /* Data alignment, 1, 2, 4, 8, 16 */ |
| 45 | int elem_size; /* Size in bytes, ==1 means variable sizes */ |
| 46 | int population; /* Number of elements to allow for per Block */ |
| 47 | } Blocks; |
| 48 | |
| 49 | Blocks * blocks_init(int alignment, int elem_size, int population); |
| 50 | void * blocks_alloc(Blocks *blocks, int nbytes); |
| 51 | void blocks_term(Blocks *blocks); |
| 52 | |
| 53 | #endif |