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| 1 /*- |
| 2 * Copyright 2009 Colin Percival |
| 3 * All rights reserved. |
| 4 * |
| 5 * Redistribution and use in source and binary forms, with or without |
| 6 * modification, are permitted provided that the following conditions |
| 7 * are met: |
| 8 * 1. Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright |
| 11 * notice, this list of conditions and the following disclaimer in the |
| 12 * documentation and/or other materials provided with the distribution. |
| 13 * |
| 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 24 * SUCH DAMAGE. |
| 25 * |
| 26 * This file was originally written by Colin Percival as part of the Tarsnap |
| 27 * online backup system. |
| 28 */ |
| 29 #ifndef _MEMLIMIT_H_ |
| 30 #define _MEMLIMIT_H_ |
| 31 |
| 32 #include <stddef.h> |
| 33 |
| 34 /** |
| 35 * memtouse(maxmem, maxmemfrac, memlimit): |
| 36 * Examine the system and return via memlimit the amount of RAM which should |
| 37 * be used -- the specified fraction of the available RAM, but no more than |
| 38 * maxmem, and no less than 1MiB. |
| 39 */ |
| 40 int memtouse(size_t, double, size_t *); |
| 41 |
| 42 #endif /* !_MEMLIMIT_H_ */ |
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