4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#include <config.h>

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#include <stdio.h>

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#include <stdlib.h>

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#include <stddef.h>

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#include <limits.h>

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#include <isc/mem.h>

999ae80184e3df1016ac74514124b0459ace4d01Andreas Gustafsson#include <isc/msgs.h>

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#include <isc/ondestroy.h>

d60f5b9bc8c1e1f7ddebc6c7834f7550a8e8be6fBob Halley#include <isc/string.h>

d60f5b9bc8c1e1f7ddebc6c7834f7550a8e8be6fBob Halley

d60f5b9bc8c1e1f7ddebc6c7834f7550a8e8be6fBob Halley#include <isc/mutex.h>

d60f5b9bc8c1e1f7ddebc6c7834f7550a8e8be6fBob Halley#include <isc/util.h>

d60f5b9bc8c1e1f7ddebc6c7834f7550a8e8be6fBob Halley

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonunsigned int isc_mem_debugging = 0;

d60f5b9bc8c1e1f7ddebc6c7834f7550a8e8be6fBob Halley

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#define DEF_MAX_SIZE 1100

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#define DEF_MEM_TARGET 4096

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#define ALIGNMENT_SIZE 8

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#define NUM_BASIC_BLOCKS 64 /* must be > 1 */

d60f5b9bc8c1e1f7ddebc6c7834f7550a8e8be6fBob Halley#define TABLE_INCREMENT 1024

d60f5b9bc8c1e1f7ddebc6c7834f7550a8e8be6fBob Halley#define DEBUGLIST_COUNT 1024

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#if ISC_MEM_TRACKLINES

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssontypedef struct debuglink debuglink_t;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonstruct debuglink {

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson ISC_LINK(debuglink_t) link;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson const void *ptr[DEBUGLIST_COUNT];

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson const char *file[DEBUGLIST_COUNT];

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson unsigned int line[DEBUGLIST_COUNT];

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson unsigned int count;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson};

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#define FLARG_PASS , file, line

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#define FLARG , const char *file, int line

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#else

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#define FLARG_PASS

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#define FLARG

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson#endif

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafssontypedef struct element element;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafssonstruct element {

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson element * next;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson};

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafssontypedef struct {

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson /*

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson union {

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson size_t size;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson char bytes[ALIGNMENT_SIZE];

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson } u;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson} size_info;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafssonstruct stats {

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson unsigned long gets;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson unsigned long totalgets;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson unsigned long blocks;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson unsigned long freefrags;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson};

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson#define MEM_MAGIC 0x4D656d43U /* MemC. */

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson#define VALID_CONTEXT(c) ((c) != NULL && (c)->magic == MEM_MAGIC)

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafssonstruct isc_mem {

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson unsigned int magic;

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson isc_ondestroy_t ondestroy;

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson isc_mutex_t lock;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson isc_memalloc_t memalloc;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson isc_memfree_t memfree;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson void * arg;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson size_t max_size;

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson size_t mem_target;

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson element ** freelists;

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson element * basic_blocks;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson unsigned char ** basic_table;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson unsigned int basic_table_count;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson unsigned int basic_table_size;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson unsigned char * lowest;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson unsigned char * highest;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson isc_boolean_t checkfree;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson isc_boolean_t trysplit;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson struct stats * stats;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson unsigned int references;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson size_t quota;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson size_t total;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson size_t inuse;

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson size_t hi_water;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson size_t lo_water;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson isc_boolean_t hi_called;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson isc_mem_water_t water;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson void * water_arg;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson ISC_LIST(isc_mempool_t) pools;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson#if ISC_MEM_TRACKLINES

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson ISC_LIST(debuglink_t) debuglist;

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson#endif

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson};

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson#define MEMPOOL_MAGIC 0x4D454d70U /* MEMp. */

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson#define VALID_MEMPOOL(c) ((c) != NULL && (c)->magic == MEMPOOL_MAGIC)

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafssonstruct isc_mempool {

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson /* always unlocked */

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson unsigned int magic; /* magic number */

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson isc_mutex_t *lock; /* optional lock */

8803b0510877fd08044542edbb55e2be72fae36fAndreas Gustafsson isc_mem_t *mctx; /* our memory context */

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson /* locked via the memory context's lock */

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson ISC_LINK(isc_mempool_t) link; /* next pool in this mem context */

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson /* optionally locked from here down */

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson element *items; /* low water item list */

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson size_t size; /* size of each item on this pool */

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson unsigned int maxalloc; /* max number of items allowed */

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson unsigned int allocated; /* # of items currently given out */

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson unsigned int freecount; /* # of items on reserved list */

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson unsigned int freemax; /* # of items allowed on free list */

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson unsigned int fillcount; /* # of items to fetch on each fill */

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson /* Stats only. */

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson unsigned int gets; /* # of requests to this pool */

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson /* Debugging only. */

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson#if ISC_MEMPOOL_NAMES

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson char name[16]; /* printed name in stats reports */

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson#endif

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson};

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson#if ! ISC_MEM_TRACKLINES

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson#define ADD_TRACE(a, b, c, d, e)

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson#define DELETE_TRACE(a, b, c, d, e)

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson#else

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson#define ADD_TRACE(a, b, c, d, e) add_trace_entry(a, b, c, d, e)

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson#define DELETE_TRACE(a, b, c, d, e) delete_trace_entry(a, b, c, d, e)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#define MEM_TRACE ((isc_mem_debugging & ISC_MEM_DEBUGTRACE) != 0)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#define MEM_RECORD ((isc_mem_debugging & ISC_MEM_DEBUGRECORD) != 0)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonstatic inline void

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonadd_trace_entry(isc_mem_t *mctx, const void *ptr, unsigned int size

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson FLARG)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson{

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson debuglink_t *dl;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson unsigned int i;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (MEM_TRACE)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson fprintf(stderr, isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ISC_MSG_ADDTRACE,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson "add %p size %u "

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson "file %s line %u mctx %p\n"),

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ptr, size, file, line, mctx);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (!MEM_RECORD)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl = ISC_LIST_HEAD(mctx->debuglist);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson while (dl != NULL) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (dl->count == DEBUGLIST_COUNT)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson goto next;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson for (i = 0 ; i < DEBUGLIST_COUNT ; i++) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (dl->ptr[i] == NULL) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl->ptr[i] = ptr;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl->file[i] = file;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl->line[i] = line;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl->count++;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson next:

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl = ISC_LIST_NEXT(dl, link);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl = malloc(sizeof(debuglink_t));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson INSIST(dl != NULL);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ISC_LINK_INIT(dl, link);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson for (i = 1 ; i < DEBUGLIST_COUNT ; i++) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl->ptr[i] = NULL;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl->file[i] = NULL;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl->line[i] = 0;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl->ptr[0] = ptr;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl->file[0] = file;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl->line[0] = line;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl->count = 1;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ISC_LIST_PREPEND(mctx->debuglist, dl, link);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonstatic inline void

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssondelete_trace_entry(isc_mem_t *mctx, const void *ptr, unsigned int size,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson const char *file, unsigned int line)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson{

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson debuglink_t *dl;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson unsigned int i;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (MEM_TRACE)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson fprintf(stderr, isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ISC_MSG_DELTRACE,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson "del %p size %u "

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson "file %s line %u mctx %p\n"),

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ptr, size, file, line, mctx);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (!MEM_RECORD)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl = ISC_LIST_HEAD(mctx->debuglist);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson while (dl != NULL) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson for (i = 0 ; i < DEBUGLIST_COUNT ; i++) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (dl->ptr[i] == ptr) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl->ptr[i] = NULL;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl->file[i] = NULL;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl->line[i] = 0;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson INSIST(dl->count > 0);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl->count--;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (dl->count == 0) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ISC_LIST_UNLINK(mctx->debuglist,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl, link);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson free(dl);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl = ISC_LIST_NEXT(dl, link);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson INSIST(dl != NULL);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#endif /* ISC_MEM_TRACKLINES */

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonstatic inline size_t

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonrmsize(size_t size) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson size -= (size % ALIGNMENT_SIZE);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (size);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonstatic inline size_t

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonquantize(size_t size) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson int temp;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (size == 0)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (ALIGNMENT_SIZE);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson temp = size + (ALIGNMENT_SIZE - 1);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (temp - temp % ALIGNMENT_SIZE);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonstatic inline void

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonsplit(isc_mem_t *ctx, size_t size, size_t new_size) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson unsigned char *ptr;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson size_t remaining_size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ptr = (unsigned char *)ctx->freelists[size];

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->freelists[size] = ctx->freelists[size]->next;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->stats[size].freefrags--;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ((element *)ptr)->next = ctx->freelists[new_size];

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->freelists[new_size] = (element *)ptr;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->stats[new_size].freefrags++;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson remaining_size = size - new_size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ptr += new_size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ((element *)ptr)->next = ctx->freelists[remaining_size];

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->freelists[remaining_size] = (element *)ptr;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->stats[remaining_size].freefrags++;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonstatic inline isc_boolean_t

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssontry_split(isc_mem_t *ctx, size_t new_size) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson size_t i, doubled_size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (!ctx->trysplit)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (ISC_FALSE);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson doubled_size = new_size * 2;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson for (i = doubled_size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson i < ctx->max_size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson i += ALIGNMENT_SIZE) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ctx->freelists[i] != NULL) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson split(ctx, i, new_size);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (ISC_TRUE);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson for (i = new_size + ALIGNMENT_SIZE;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson i < doubled_size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson i += ALIGNMENT_SIZE) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ctx->freelists[i] != NULL) {

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley split(ctx, i, new_size);

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley return (ISC_TRUE);

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (ISC_FALSE);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonstatic inline isc_boolean_t

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonmore_basic_blocks(isc_mem_t *ctx) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson void *new;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson unsigned char *curr, *next;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson unsigned char *first, *last;

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley unsigned char **table;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson unsigned int table_size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson size_t increment;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson int i;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /* Require: we hold the context lock. */

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson increment = NUM_BASIC_BLOCKS * ctx->mem_target;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ctx->quota != 0 && ctx->total + increment > ctx->quota)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (ISC_FALSE);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson INSIST(ctx->basic_table_count <= ctx->basic_table_size);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ctx->basic_table_count == ctx->basic_table_size) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson table_size = ctx->basic_table_size + TABLE_INCREMENT;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson table = (ctx->memalloc)(ctx->arg,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson table_size * sizeof (unsigned char *));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (table == NULL)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (ISC_FALSE);

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley if (ctx->basic_table_size != 0) {

9637357a7765cc63ae401e02c727b1202f20bc08Bob Halley memcpy(table, ctx->basic_table,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->basic_table_size *

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson sizeof (unsigned char *));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (ctx->memfree)(ctx->arg, ctx->basic_table);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->basic_table = table;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->basic_table_size = table_size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson new = (ctx->memalloc)(ctx->arg, NUM_BASIC_BLOCKS * ctx->mem_target);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (new == NULL)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (ISC_FALSE);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->total += increment;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->basic_table[ctx->basic_table_count] = new;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->basic_table_count++;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson curr = new;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson next = curr + ctx->mem_target;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson for (i = 0; i < (NUM_BASIC_BLOCKS - 1); i++) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ((element *)curr)->next = (element *)next;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson curr = next;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson next += ctx->mem_target;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ((element *)curr)->next = NULL;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson first = new;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson last = first + NUM_BASIC_BLOCKS * ctx->mem_target - 1;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (first < ctx->lowest || ctx->lowest == NULL)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->lowest = first;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (last > ctx->highest)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->highest = last;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->basic_blocks = new;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (ISC_TRUE);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonstatic inline isc_boolean_t

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonmore_frags(isc_mem_t *ctx, size_t new_size) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson int i, frags;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson size_t total_size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson void *new;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson unsigned char *curr, *next;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ctx->basic_blocks == NULL) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (!more_basic_blocks(ctx)) {

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson /*

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson /*

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson /*

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson return (try_split(ctx, new_size));

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson }

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson }

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson total_size = ctx->mem_target;

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson new = ctx->basic_blocks;

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson ctx->basic_blocks = ctx->basic_blocks->next;

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson frags = total_size / new_size;

f4c0131a46ea183238027ef9c3400cc6079b8b85Andreas Gustafsson ctx->stats[new_size].blocks++;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->stats[new_size].freefrags += frags;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson curr = new;

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley next = curr + new_size;

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley total_size -= new_size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson for (i = 0; i < (frags - 1); i++) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ((element *)curr)->next = (element *)next;

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley curr = next;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson next += new_size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson total_size -= new_size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson total_size = rmsize(total_size);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (total_size > 0) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ((element *)next)->next = ctx->freelists[total_size];

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->freelists[total_size] = (element *)next;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->stats[total_size].freefrags++;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ((element *)curr)->next = NULL;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->freelists[new_size] = new;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (ISC_TRUE);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonstatic inline void *

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonmem_getunlocked(isc_mem_t *ctx, size_t size) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson size_t new_size = quantize(size);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson void *ret;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (size >= ctx->max_size || new_size >= ctx->max_size) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ctx->quota != 0 && ctx->total + size > ctx->quota) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ret = NULL;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson goto done;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ret = (ctx->memalloc)(ctx->arg, size);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ret != NULL) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->total += size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->inuse += size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->stats[ctx->max_size].gets++;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->stats[ctx->max_size].totalgets++;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson new_size = size;

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson goto done;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ctx->freelists[new_size] == NULL && !more_frags(ctx, new_size))

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (NULL);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ret = ctx->freelists[new_size];

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->freelists[new_size] = ctx->freelists[new_size]->next;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->stats[size].gets++;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->stats[size].totalgets++;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->stats[new_size].freefrags--;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->inuse += new_size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson done:

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#if ISC_MEM_FILL

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ret != NULL)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson memset(ret, 0xbe, new_size); /* Mnemonic for "beef". */

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#endif

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (ret);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley#if ISC_MEM_FILL && ISC_MEM_CHECKOVERRUN

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonstatic inline void

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssoncheck_overrun(void *mem, size_t size, size_t new_size) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson unsigned char *cp;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson cp = (unsigned char *)mem;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson cp += size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson while (size < new_size) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson INSIST(*cp == 0xbe);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson cp++;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson size++;

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#endif

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonstatic inline void

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonmem_putunlocked(isc_mem_t *ctx, void *mem, size_t size) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson size_t new_size = quantize(size);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (size == ctx->max_size || new_size >= ctx->max_size) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#if ISC_MEM_FILL

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson memset(mem, 0xde, size); /* Mnemonic for "dead". */

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#endif

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (ctx->memfree)(ctx->arg, mem);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson INSIST(ctx->stats[ctx->max_size].gets != 0);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->stats[ctx->max_size].gets--;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson INSIST(size <= ctx->total);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->inuse -= size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->total -= size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#if ISC_MEM_FILL

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#if ISC_MEM_CHECKOVERRUN

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson check_overrun(mem, size, new_size);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#endif

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson memset(mem, 0xde, new_size); /* Mnemonic for "dead". */

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#endif

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ((element *)mem)->next = ctx->freelists[new_size];

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->freelists[new_size] = (element *)mem;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson INSIST(ctx->stats[size].gets != 0);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->stats[size].gets--;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->stats[new_size].freefrags++;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->inuse -= new_size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonstatic void *

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssondefault_memalloc(void *arg, size_t size) {

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson UNUSED(arg);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson return (malloc(size));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonstatic void

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssondefault_memfree(void *arg, void *ptr) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson UNUSED(arg);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson free(ptr);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonisc_mem_createx(size_t init_max_size, size_t target_size,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_memalloc_t memalloc, isc_memfree_t memfree, void *arg,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_mem_t **ctxp)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson{

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_mem_t *ctx;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson REQUIRE(ctxp != NULL && *ctxp == NULL);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson REQUIRE(memalloc != NULL);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson REQUIRE(memfree != NULL);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx = (memalloc)(arg, sizeof *ctx);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ctx == NULL)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (ISC_R_NOMEMORY);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (init_max_size == 0)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->max_size = DEF_MAX_SIZE;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson else

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->max_size = init_max_size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (target_size == 0)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->mem_target = DEF_MEM_TARGET;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson else

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->mem_target = target_size;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->memalloc = memalloc;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->memfree = memfree;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->arg = arg;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->freelists = (memalloc)(arg, ctx->max_size * sizeof (element *));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ctx->freelists == NULL) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (memfree)(arg, ctx);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (ISC_R_NOMEMORY);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->checkfree = ISC_TRUE;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->trysplit = ISC_FALSE;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson memset(ctx->freelists, 0,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->max_size * sizeof (element *));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->stats = (memalloc)(arg,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (ctx->max_size+1) * sizeof (struct stats));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ctx->stats == NULL) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (memfree)(arg, ctx->freelists);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (memfree)(arg, ctx);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (ISC_R_NOMEMORY);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson memset(ctx->stats, 0, (ctx->max_size + 1) * sizeof (struct stats));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->basic_blocks = NULL;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->basic_table = NULL;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->basic_table_count = 0;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->basic_table_size = 0;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->lowest = NULL;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->highest = NULL;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (isc_mutex_init(&ctx->lock) != ISC_R_SUCCESS) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (memfree)(arg, ctx->stats);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (memfree)(arg, ctx->freelists);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (memfree)(arg, ctx);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson UNEXPECTED_ERROR(__FILE__, __LINE__,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson "isc_mutex_init() %s",

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ISC_MSG_FAILED, "failed"));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (ISC_R_UNEXPECTED);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->references = 1;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->quota = 0;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->total = 0;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->inuse = 0;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->hi_water = 0;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->lo_water = 0;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->hi_called = ISC_FALSE;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->water = NULL;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->water_arg = NULL;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->magic = MEM_MAGIC;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_ondestroy_init(&ctx->ondestroy);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ISC_LIST_INIT(ctx->pools);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#if ISC_MEM_TRACKLINES

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ISC_LIST_INIT(ctx->debuglist);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#endif

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson *ctxp = ctx;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (ISC_R_SUCCESS);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonisc_mem_create(size_t init_max_size, size_t target_size,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_mem_t **ctxp)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson{

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (isc_mem_createx(init_max_size, target_size,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson default_memalloc, default_memfree, NULL,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctxp));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halleystatic void

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssondestroy(isc_mem_t *ctx) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson unsigned int i;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_ondestroy_t ondest;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->magic = 0;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson INSIST(ISC_LIST_EMPTY(ctx->pools));

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley#if ISC_MEM_TRACKLINES

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley if (ctx->checkfree)

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley INSIST(ISC_LIST_EMPTY(ctx->debuglist));

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley else {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson debuglink_t *dl;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson for (dl = ISC_LIST_HEAD(ctx->debuglist);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl != NULL;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson dl = ISC_LIST_HEAD(ctx->debuglist)) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ISC_LIST_UNLINK(ctx->debuglist, dl, link);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson free(dl);

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley }

9637357a7765cc63ae401e02c727b1202f20bc08Bob Halley }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#endif

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson INSIST(ctx->references == 0);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ctx->checkfree) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson for (i = 0; i <= ctx->max_size; i++)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson INSIST(ctx->stats[i].gets == 0);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#if 0 /* XXX brister debugging */

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson for (i = 0; i < ctx->basic_table_count; i++)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson memset(ctx->basic_table[i], 0x0,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson NUM_BASIC_BLOCKS * ctx->mem_target);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#endif

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson for (i = 0; i < ctx->basic_table_count; i++)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (ctx->memfree)(ctx->arg, ctx->basic_table[i]);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (ctx->memfree)(ctx->arg, ctx->freelists);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (ctx->memfree)(ctx->arg, ctx->stats);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (ctx->memfree)(ctx->arg, ctx->basic_table);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ondest = ctx->ondestroy;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson DESTROYLOCK(&ctx->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (ctx->memfree)(ctx->arg, ctx);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_ondestroy_notify(&ondest, ctx);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonisc_mem_attach(isc_mem_t *source, isc_mem_t **targetp) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson REQUIRE(VALID_CONTEXT(source));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson REQUIRE(targetp != NULL && *targetp == NULL);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson LOCK(&source->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson source->references++;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson UNLOCK(&source->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson *targetp = source;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonisc_mem_detach(isc_mem_t **ctxp) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_mem_t *ctx;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_boolean_t want_destroy = ISC_FALSE;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson REQUIRE(ctxp != NULL);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx = *ctxp;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson REQUIRE(VALID_CONTEXT(ctx));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson LOCK(&ctx->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson INSIST(ctx->references > 0);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->references--;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ctx->references == 0)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson want_destroy = ISC_TRUE;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson UNLOCK(&ctx->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (want_destroy)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson destroy(ctx);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson *ctxp = NULL;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonisc__mem_putanddetach(isc_mem_t **ctxp, void *ptr, size_t size FLARG) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_mem_t *ctx;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_boolean_t want_destroy = ISC_FALSE;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson REQUIRE(ctxp != NULL);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx = *ctxp;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson REQUIRE(VALID_CONTEXT(ctx));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson REQUIRE(ptr != NULL);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson *ctxp = NULL;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson LOCK(&ctx->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson DELETE_TRACE(ctx, ptr, size, file, line);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson mem_putunlocked(ctx, ptr, size);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson INSIST(ctx->references > 0);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->references--;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ctx->references == 0)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson want_destroy = ISC_TRUE;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson UNLOCK(&ctx->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (want_destroy)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson destroy(ctx);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonisc_mem_destroy(isc_mem_t **ctxp) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_mem_t *ctx;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson REQUIRE(ctxp != NULL);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx = *ctxp;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson REQUIRE(VALID_CONTEXT(ctx));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson LOCK(&ctx->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson REQUIRE(ctx->references == 1);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->references--;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson UNLOCK(&ctx->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson destroy(ctx);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson *ctxp = NULL;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonisc_mem_ondestroy(isc_mem_t *ctx, isc_task_t *task, isc_event_t **event) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_result_t res;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson LOCK(&ctx->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson res = isc_ondestroy_register(&ctx->ondestroy, task, event);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson UNLOCK(&ctx->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (res);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonisc_mem_restore(isc_mem_t *ctx) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_result_t result;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson result = isc_mutex_init(&ctx->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (result != ISC_R_SUCCESS)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->magic = 0;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (result);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonvoid *

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonisc__mem_get(isc_mem_t *ctx, size_t size FLARG) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson void *ptr;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_boolean_t call_water = ISC_FALSE;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson REQUIRE(VALID_CONTEXT(ctx));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson LOCK(&ctx->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ptr = mem_getunlocked(ctx, size);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ADD_TRACE(ctx, ptr, size, file, line);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ctx->hi_water != 0 && !ctx->hi_called &&

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->inuse > ctx->hi_water) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->hi_called = ISC_TRUE;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson call_water = ISC_TRUE;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson UNLOCK(&ctx->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /* XXX remove */

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ctx->hi_water)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson fprintf(stderr,"inuse %u, total %u\n", ctx->inuse, ctx->total);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (call_water) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /* XXX remove */

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson fprintf(stderr, "%s water(%p, ISC_MEM_HIWATER)\n",

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ISC_MSG_CALLING, "calling"),

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->water_arg);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (ctx->water)(ctx->water_arg, ISC_MEM_HIWATER);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (ptr);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonisc__mem_put(isc_mem_t *ctx, void *ptr, size_t size FLARG)

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley{

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_boolean_t call_water = ISC_FALSE;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson REQUIRE(VALID_CONTEXT(ctx));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson REQUIRE(ptr != NULL);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson LOCK(&ctx->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson DELETE_TRACE(ctx, ptr, size, file, line);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson mem_putunlocked(ctx, ptr, size);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ctx->hi_called && ctx->inuse < ctx->lo_water) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->hi_called = ISC_FALSE;

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley call_water = ISC_TRUE;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson UNLOCK(&ctx->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /* XXX remove */

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ctx->hi_water)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson fprintf(stderr,"inuse %u, total %u\n", ctx->inuse, ctx->total);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (call_water) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /* XXX remove */

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson fprintf(stderr, "%s water(%p,ISC_MEM_LOWATER)\n",

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ISC_MSG_CALLING, "calling"),

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ctx->water_arg);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (ctx->water)(ctx->water_arg, ISC_MEM_LOWATER);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halleyisc_mem_preallocate(isc_mem_t *ctx) {

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley size_t i;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_result_t result = ISC_R_SUCCESS;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson void *ptr;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson REQUIRE(VALID_CONTEXT(ctx));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson LOCK(&ctx->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson for (i = 0; i < ctx->max_size; i += ALIGNMENT_SIZE) {

732e0731dec1922747bb3b3147cf2c3d16b22eaaBob Halley ptr = mem_getunlocked(ctx, i);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ptr == NULL) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson result = ISC_R_NOMEMORY;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson break;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson mem_putunlocked(ctx, ptr, i);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson UNLOCK(&ctx->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson return (result);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson}

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafssonisc_mem_stats(isc_mem_t *ctx, FILE *out) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson size_t i;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson const struct stats *s;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson const isc_mempool_t *pool;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson REQUIRE(VALID_CONTEXT(ctx));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson LOCK(&ctx->lock);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (ctx->freelists != NULL) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson for (i = 0; i <= ctx->max_size; i++) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson s = &ctx->stats[i];

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (s->totalgets == 0 && s->gets == 0)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson continue;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson fprintf(out, "%s%5lu: %11lu gets, %11lu rem",

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (i == ctx->max_size) ? ">=" : " ",

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (unsigned long) i, s->totalgets, s->gets);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (s->blocks != 0 || s->freefrags != 0)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson fprintf(out, " (%lu bl, %lu ff)",

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson s->blocks, s->freefrags);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson fputc('\n', out);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson /*

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson pool = ISC_LIST_HEAD(ctx->pools);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (pool != NULL) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson fprintf(out, isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ISC_MSG_POOLSTATS,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson "[Pool statistics]\n"));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson fprintf(out, "%15s %10s %10s %10s %10s %10s %10s %10s %1s\n",

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ISC_MSG_POOLNAME, "name"),

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

c6e66777242752532a094561fc728233cab9bc2fAndreas Gustafsson ISC_MSG_POOLSIZE, "size"),

c6e66777242752532a094561fc728233cab9bc2fAndreas Gustafsson isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ISC_MSG_POOLMAXALLOC, "maxalloc"),

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

c6e66777242752532a094561fc728233cab9bc2fAndreas Gustafsson ISC_MSG_POOLALLOCATED, "allocated"),

c6e66777242752532a094561fc728233cab9bc2fAndreas Gustafsson isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

c6e66777242752532a094561fc728233cab9bc2fAndreas Gustafsson ISC_MSG_POOLFREECOUNT, "freecount"),

c6e66777242752532a094561fc728233cab9bc2fAndreas Gustafsson isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

c6e66777242752532a094561fc728233cab9bc2fAndreas Gustafsson ISC_MSG_POOLFREEMAX, "freemax"),

c6e66777242752532a094561fc728233cab9bc2fAndreas Gustafsson isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

c6e66777242752532a094561fc728233cab9bc2fAndreas Gustafsson ISC_MSG_POOLFILLCOUNT, "fillcount"),

c6e66777242752532a094561fc728233cab9bc2fAndreas Gustafsson isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

c6e66777242752532a094561fc728233cab9bc2fAndreas Gustafsson ISC_MSG_POOLGETS, "gets"),

c6e66777242752532a094561fc728233cab9bc2fAndreas Gustafsson "L");

c6e66777242752532a094561fc728233cab9bc2fAndreas Gustafsson }

c6e66777242752532a094561fc728233cab9bc2fAndreas Gustafsson while (pool != NULL) {

c6e66777242752532a094561fc728233cab9bc2fAndreas Gustafsson fprintf(out, "%15s %10lu %10u %10u %10u %10u %10u %10u %s\n",

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson pool->name, (unsigned long) pool->size, pool->maxalloc,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson pool->allocated, pool->freecount, pool->freemax,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson pool->fillcount, pool->gets,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson (pool->lock == NULL ? "N" : "Y"));

c6e66777242752532a094561fc728233cab9bc2fAndreas Gustafsson pool = ISC_LIST_NEXT(pool, link);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson }

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson#if ISC_MEM_TRACKLINES

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (isc_mem_debugging > 1) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson debuglink_t *dl;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson unsigned int i;

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson fprintf(out, isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ISC_MSG_DUMPALLOC,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson "DUMP OF ALL OUTSTANDING "

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson "MEMORY ALLOCATIONS\n"));

c6e66777242752532a094561fc728233cab9bc2fAndreas Gustafsson dl = ISC_LIST_HEAD(ctx->debuglist);

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (dl == NULL)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson fprintf(out, isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson ISC_MSG_NONE,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson "\tNone.\n"));

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson while (dl != NULL) {

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson for (i = 0 ; i < DEBUGLIST_COUNT ; i++)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson if (dl->ptr[i] != NULL)

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson fprintf(out,

4cd3d6df39927315e3fadc07a8da3788175f4195Andreas Gustafsson isc_msgcat_get(isc_msgcat,

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson ISC_MSGSET_MEM,

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson ISC_MSG_PTRFILELINE,

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson "\tptr %p "

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson "file %s "

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson "line %u\n"),

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson dl->ptr[i], dl->file[i],

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson dl->line[i]);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson dl = ISC_LIST_NEXT(dl, link);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson }

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson }

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson#endif

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson UNLOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson}

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonisc_mem_valid(isc_mem_t *ctx, void *ptr) {

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson unsigned char *cp = ptr;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson isc_boolean_t result = ISC_FALSE;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson REQUIRE(VALID_CONTEXT(ctx));

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson LOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson if (ctx->lowest != NULL && cp >= ctx->lowest && cp <= ctx->highest)

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson result = ISC_TRUE;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson UNLOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson return (result);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson}

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonstatic void *

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonisc__mem_allocateunlocked(isc_mem_t *ctx, size_t size) {

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson size_info *si;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson size += ALIGNMENT_SIZE;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson si = mem_getunlocked(ctx, size);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson if (si == NULL)

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson return (NULL);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson si->u.size = size;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson return (&si[1]);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson}

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonvoid *

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonisc__mem_allocate(isc_mem_t *ctx, size_t size FLARG) {

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson size_info *si;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson REQUIRE(VALID_CONTEXT(ctx));

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson LOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson si = isc__mem_allocateunlocked(ctx, size);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson#if ISC_MEM_TRACKLINES

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson if (si != NULL)

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson ADD_TRACE(ctx, si, si[-1].u.size, file, line);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson#endif

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson UNLOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson return (si);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson}

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonisc__mem_free(isc_mem_t *ctx, void *ptr FLARG) {

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson size_info *si;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson REQUIRE(VALID_CONTEXT(ctx));

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson REQUIRE(ptr != NULL);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson si = &(((size_info *)ptr)[-1]);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson LOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson DELETE_TRACE(ctx, ptr, si->u.size, file, line);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson mem_putunlocked(ctx, si, si->u.size);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson UNLOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson}

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonchar *

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonisc__mem_strdup(isc_mem_t *mctx, const char *s FLARG) {

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson size_t len;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson char *ns;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson REQUIRE(VALID_CONTEXT(mctx));

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson REQUIRE(s != NULL);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson len = strlen(s);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson ns = isc__mem_allocate(mctx, len + 1 FLARG_PASS);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson if (ns != NULL)

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson strncpy(ns, s, len + 1);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson return (ns);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson}

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonisc_mem_setdestroycheck(isc_mem_t *ctx, isc_boolean_t flag) {

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson REQUIRE(VALID_CONTEXT(ctx));

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson LOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson ctx->checkfree = flag;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson UNLOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson}

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonisc_mem_setsplit(isc_mem_t *ctx, isc_boolean_t flag) {

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson REQUIRE(VALID_CONTEXT(ctx));

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson LOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson ctx->trysplit = flag;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson UNLOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson}

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonisc_mem_setquota(isc_mem_t *ctx, size_t quota) {

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson REQUIRE(VALID_CONTEXT(ctx));

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson LOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson ctx->quota = quota;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson UNLOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson}

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonisc_mem_getquota(isc_mem_t *ctx) {

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson size_t quota;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson REQUIRE(VALID_CONTEXT(ctx));

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson LOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson quota = ctx->quota;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson UNLOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson return (quota);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson}

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonisc_mem_inuse(isc_mem_t *ctx) {

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson size_t inuse;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson REQUIRE(VALID_CONTEXT(ctx));

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson LOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson inuse = ctx->inuse;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson UNLOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson return (inuse);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson}

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonisc_mem_setwater(isc_mem_t *ctx, isc_mem_water_t water, void *water_arg,

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson size_t hiwater, size_t lowater)

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson{

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson REQUIRE(VALID_CONTEXT(ctx));

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson if (water != NULL) {

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson REQUIRE(hiwater > lowater);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson REQUIRE(hiwater > 0);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson REQUIRE(lowater > 0);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson }

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson LOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson if (water == NULL) {

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson ctx->water = NULL;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson ctx->water_arg = NULL;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson ctx->hi_water = 0;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson ctx->lo_water = 0;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson ctx->hi_called = ISC_FALSE;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson } else {

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson ctx->water = water;

581db30788a4920ba8558287a0dccf3c1a210c5aAndreas Gustafsson ctx->water_arg = water_arg;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson ctx->hi_water = hiwater;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson ctx->lo_water = lowater;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson ctx->hi_called = ISC_FALSE;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson }

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson UNLOCK(&ctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson}

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson#if 0

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonstatic void

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonmempool_release(isc_mempool_t *mpctx, unsigned int n) {

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson isc_mem_t *mctx;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson element *item;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson element *next;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson unsigned int count;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson mctx = mpctx->mctx;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson if (mpctx->freecount <= n)

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson return;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson INSIST(mpctx->items != NULL);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson item = mpctx->items;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson for (count = 0 ; count < n ; count++) {

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson item = item->next;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson INSIST(item != NULL);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson }

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson /*

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson LOCK(&mctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson do {

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson next = item->next;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson mem_putunlocked(mctx, item, mpctx->size);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson INSIST(mpctx->freecount > 0);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson mpctx->freecount--;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson item = next;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson } while (item != NULL);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson UNLOCK(&mctx->lock);

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson}

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson#endif

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonstatic void

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafssonmempool_releaseall(isc_mempool_t *mpctx) {

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson isc_mem_t *mctx;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson element *item;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson element *next;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson mctx = mpctx->mctx;

b2c71d98dfc4dab5c6b8c8f39cf8fed3d899e94cAndreas Gustafsson