#include "mem_pool.h"
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#include "sem_util.h"
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#define MEM_POOL_COND_KEY 0x8801
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static int mem_pool_cond = SemUtil::get(MEM_POOL_COND_KEY, 0);
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// static int mem_pool_mutex = SemUtil::get(MEM_POOL_COND_KEY, 1);
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void mem_pool_init(size_t heap_size) {
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if(mm_init(heap_size)) {
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}
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}
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void mem_pool_destroy(void) {
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mm_destroy();
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}
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void *mem_pool_malloc (size_t size) {
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void *ptr;
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while( (ptr = mm_malloc(size)) == NULL ) {
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err_msg(0, "There is not enough memery to allocate, waiting someone else to free.");
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SemUtil::set(mem_pool_cond, 0);
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// wait for someone else to free space
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SemUtil::dec(mem_pool_cond);
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}
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return ptr;
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}
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void mem_pool_free (void *ptr) {
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mm_free(ptr);
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// notify malloc
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SemUtil::set(mem_pool_cond, 1);
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}
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void *mem_pool_realloc (void *ptr, size_t size) {
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return mm_realloc(ptr, size);
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}
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hashtable_t * mem_pool_get_hashtable() {
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return mm_get_hashtable();
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}
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