51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
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#ifndef HEAP_H_
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#define HEAP_H_
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#include <heap/_liballoc.h>
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#include <mango/types.h>
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#include <stddef.h>
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typedef enum heap_result {
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HEAP_OK = 0,
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HEAP_ERR_NO_MEMORY,
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HEAP_ERR_INVALID_ARGUMENT,
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} heap_result_t;
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typedef struct heap {
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kern_handle_t heap_region;
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/* amount of space requested from the heap by the user */
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size_t heap_req_alloc;
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/* amount of space requested from the system by the heap */
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size_t heap_sys_alloc;
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/* base address of the heap */
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virt_addr_t heap_base;
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union {
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struct {
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struct liballoc_major *l_memRoot;
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struct liballoc_major *l_bestBet;
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unsigned int l_pageSize;
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unsigned int l_pageCount;
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unsigned long long l_allocated;
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unsigned long long l_inuse;
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long long l_warningCount;
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long long l_errorCount;
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long long l_possibleOverruns;
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} heap_liballoc;
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};
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} heap_t;
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extern kern_status_t heap_init(heap_t *heap, size_t size);
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extern kern_status_t heap_destroy(heap_t *heap);
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extern void *heap_alloc(heap_t *heap, size_t sz);
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extern void *heap_realloc(heap_t *heap, void *p, size_t sz);
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extern void *heap_calloc(heap_t *heap, size_t num, size_t itemsz);
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extern void heap_free(heap_t *heap, void *p);
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extern void *heap_expand(heap_t *heap, size_t size);
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#endif
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