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- /*
- Copyright (c) 2003-2006 by Juliusz Chroboczek
- Permission is hereby granted, free of charge, to any person obtaining a copy
- of this software and associated documentation files (the "Software"), to deal
- in the Software without restriction, including without limitation the rights
- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- copies of the Software, and to permit persons to whom the Software is
- furnished to do so, subject to the following conditions:
- The above copyright notice and this permission notice shall be included in
- all copies or substantial portions of the Software.
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- THE SOFTWARE.
- */
- /* A larger chunk size gets you better I/O throughput, at the cost of
- higer memory usage. We assume you've got plenty of memory if you've
- got 64-bit longs. */
- #ifndef CHUNK_SIZE
- #ifdef ULONG_MAX
- #if ULONG_MAX > 4294967295UL
- #define CHUNK_SIZE (8 * 1024)
- #else
- #define CHUNK_SIZE (4 * 1024)
- #endif
- #else
- #define CHUNK_SIZE (4 * 1024)
- #endif
- #endif
- #define CHUNKS(bytes) ((unsigned long)(bytes) / CHUNK_SIZE)
- extern int chunkLowMark, chunkHighMark, chunkCriticalMark;
- extern int used_chunks;
- void preinitChunks(void);
- void initChunks(void);
- void *get_chunk(void) ATTRIBUTE ((malloc));
- void *maybe_get_chunk(void) ATTRIBUTE ((malloc));
- void dispose_chunk(void *chunk);
- void free_chunk_arenas(void);
- int totalChunkArenaSize(void);
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