2010-11-03 11:34:14 +00:00
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/**
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* @file re_mem.h Interface to Memory management with reference counting
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*
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* Copyright (C) 2010 Creytiv.com
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*/
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/**
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* Defines the memory destructor handler, which is called when the reference
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* of a memory object goes down to zero
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*
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* @param data Pointer to memory object
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*/
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typedef void (mem_destroy_h)(void *data);
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/** Memory Statistics */
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struct memstat {
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size_t bytes_cur; /**< Current bytes allocated */
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size_t bytes_peak; /**< Peak bytes allocated */
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size_t blocks_cur; /**< Current blocks allocated */
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size_t blocks_peak; /**< Peak blocks allocated */
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size_t size_min; /**< Lowest block size allocated */
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size_t size_max; /**< Largest block size allocated */
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};
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void *mem_alloc(size_t size, mem_destroy_h *dh);
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void *mem_zalloc(size_t size, mem_destroy_h *dh);
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void *mem_realloc(void *data, size_t size);
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2015-06-29 14:09:01 +00:00
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void *mem_reallocarray(void *ptr, size_t nmemb,
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size_t membsize, mem_destroy_h *dh);
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2010-11-03 11:34:14 +00:00
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void *mem_ref(void *data);
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void *mem_deref(void *data);
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uint32_t mem_nrefs(const void *data);
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void mem_debug(void);
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void mem_threshold_set(ssize_t n);
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struct re_printf;
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int mem_status(struct re_printf *pf, void *unused);
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int mem_get_stat(struct memstat *mstat);
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2018-01-04 14:07:31 +01:00
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/* Secure memory functions */
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int mem_seccmp(const volatile uint8_t *volatile s1,
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const volatile uint8_t *volatile s2,
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size_t n);
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