diff -r 2dc4c688c262 -r b4769e4eb4d1 ucx/mpool.c --- a/ucx/mpool.c Sat Dec 31 22:41:16 2011 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,118 +0,0 @@ -/* - * - */ - -#include -#include -#include -#include - -#include "mpool.h" - -typedef struct { - ucx_destructor destructor; - char c; -} ucx_memchunk; - -typedef struct { - ucx_destructor destructor; - void *ptr; -} ucx_regdestr; - -void ucx_mempool_shared_destr(void* ptr) { - ucx_regdestr *rd = (ucx_regdestr*)ptr; - rd->destructor(rd->ptr); -} - -UcxMempool *ucx_mempool_new(size_t n) { - UcxMempool *pool = (UcxMempool*)malloc(sizeof(UcxMempool)); - if (pool == NULL) return NULL; - - pool->data = malloc(n * sizeof(void*)); - if (pool->data == NULL) { - free(pool); - return NULL; - } - - pool->ndata = 0; - pool->size = n; - return pool; -} - -int ucx_mempool_chcap(UcxMempool *pool, size_t newcap) { - void **data = realloc(pool->data, newcap*sizeof(void*)); - if (data == NULL) { - return ENOMEM; - } else { - pool->data = data; - pool->size = newcap; - return EXIT_SUCCESS; - } -} - -void *ucx_mempool_malloc(UcxMempool *pool, size_t n) { - ucx_memchunk *mem = (ucx_memchunk*)malloc(sizeof(ucx_destructor) + n); - if (mem == NULL) return NULL; - - if (pool->ndata >= pool->size) { - ucx_mempool_chcap(pool, pool->size + 16); - } - - mem->destructor = NULL; - pool->data[pool->ndata] = mem; - pool->ndata++; - - return &mem->c; -} - -void *ucx_mempool_calloc(UcxMempool *pool, size_t nelem, size_t elsize) { - void *ptr = ucx_mempool_malloc(pool, nelem*elsize); - if(ptr == NULL) { - return NULL; - } - memset(ptr, 0, nelem * elsize); - return ptr; -} - -void *ucx_mempool_realloc(UcxMempool *pool, void *ptr, size_t n) { - void *mem = ((char*)ptr) - sizeof(ucx_destructor); - char *newm = (char*) realloc(mem, n + sizeof(ucx_destructor)); - if (newm == NULL) return NULL; - if (mem != newm) { - for(int i=0;indata;i++) { - if(pool->data[i] == mem) { - pool->data[i] = newm; - break; - } - } - fprintf(stderr, "FATAL: %8x not in mpool %8x\n", mem, pool); - exit(1); - } - return ((char*) newm) + sizeof(ucx_destructor); -} - -void ucx_mempool_free(UcxMempool *pool) { - ucx_memchunk *chunk; - for(int i=0;indata;i++) { - chunk = (ucx_memchunk*) pool->data[i]; - if(chunk->destructor != NULL) { - chunk->destructor(&chunk->c); - } - free(chunk); - } - free(pool->data); - free(pool); -} - -void ucx_mempool_set_destr(void *ptr, ucx_destructor func) { - *(ucx_destructor*)((char*)ptr-sizeof(ucx_destructor)) = func; -} - -void ucx_mempool_reg_destr(UcxMempool *pool, void *ptr, ucx_destructor destr) { - ucx_regdestr *rd = (ucx_regdestr*)ucx_mempool_malloc( - pool, - sizeof(ucx_regdestr)); - rd->destructor = destr; - rd->ptr = ptr; - ucx_mempool_set_destr(rd, ucx_mempool_shared_destr); -}