/usr/include/m4ri/mmc.h is in libm4ri-dev 20140914-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | /**
* \file mmc.h
* \brief The mmc memory management functions check a cache for re-usable unused memory before asking the system for it.
*
* \author Gregory Bard <bard@fordham.edu>
* \author Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
*/
#ifndef M4RI_MMC_H
#define M4RI_MMC_H
/*******************************************************************
*
* M4RI: Linear Algebra over GF(2)
*
* Copyright (C) 2007, 2008 Gregory Bard <bard@fordham.edu>
* Copyright (C) 2008 Martin Albrecht <M.R.Albrecht@rhul.ac.uk>
*
* Distributed under the terms of the GNU General Public License (GPL)
* version 2 or higher.
*
* This code is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* The full text of the GPL is available at:
*
* http://www.gnu.org/licenses/
*
********************************************************************/
#include <m4ri/misc.h>
void *m4ri_mmc_malloc(size_t size);
void m4ri_mmc_free(void *condemned, size_t size);
void m4ri_mmc_cleanup(void);
/**
* \brief Enable memory block cache (default: enabled).
*/
#define __M4RI_ENABLE_MMC
/**
* \brief Number of blocks that are cached.
*/
#define __M4RI_MMC_NBLOCKS 16
/**
* \brief Maximal size of blocks stored in cache.
*/
#define __M4RI_MMC_THRESHOLD __M4RI_CPU_L3_CACHE
/**
* \brief Tuple of pointer to allocated memory block and it's size.
*/
typedef struct _mm_block {
/**
* Size in bytes of the data.
*/
size_t size;
/**
* Pointer to buffer of data.
*/
void *data;
} mmb_t;
/**
* \brief Allocate an array of count times size zeroed bytes.
*
* \param count Number of elements.
* \param size Number of bytes per element.
*
* \return Pointer to allocated memory block.
*/
static inline void *m4ri_mmc_calloc(size_t count, size_t size) {
size_t total_size = count * size;
void *ret = m4ri_mmc_malloc(total_size);
memset((char*)ret, 0, total_size);
return ret;
}
#endif // M4RI_MMC_H
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