bf43fdafa3bff9e84cb03f1a19aca74514d2516eBob Halley

9c3531d72aeaad6c5f01efe6a1c82023e1379e4dDavid Lawrence

e419f613d8591885df608cb73065921be07dd12eBob Halley

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence#include <config.h>

fca5f81ad69098ea8abba130c7f841c951ef91c2Bob Halley

e419f613d8591885df608cb73065921be07dd12eBob Halley#include <stdio.h>

e419f613d8591885df608cb73065921be07dd12eBob Halley#include <stdlib.h>

9695ae1c24b168996e3a267855dc754971ccb32cBob Halley#include <stddef.h>

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

1c776a2909632bc755f3fddd3b53addd792ab4d0Brian Wellington#include <limits.h>

e419f613d8591885df608cb73065921be07dd12eBob Halley

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley#include <isc/magic.h>

1b1e1fda4638334b484aa38c15f53a131c0b0fdfAndreas Gustafsson#include <isc/mem.h>

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington#include <isc/msgs.h>

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington#include <isc/once.h>

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley#include <isc/ondestroy.h>

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington#include <isc/string.h>

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley#include <isc/mutex.h>

09f22ac5b09e70bc526015f37168ba33e21ea91fDavid Lawrence#include <isc/util.h>

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington#include <isc/xml.h>

09f22ac5b09e70bc526015f37168ba33e21ea91fDavid Lawrence

09f22ac5b09e70bc526015f37168ba33e21ea91fDavid Lawrence#define MCTXLOCK(m, l) if (((m)->flags & ISC_MEMFLAG_NOLOCK) == 0) LOCK(l)

e419f613d8591885df608cb73065921be07dd12eBob Halley#define MCTXUNLOCK(m, l) if (((m)->flags & ISC_MEMFLAG_NOLOCK) == 0) UNLOCK(l)

e419f613d8591885df608cb73065921be07dd12eBob Halley

92ef1a9b9dbd48ecb507b42ac62c15afefdaf838David Lawrence#ifndef ISC_MEM_DEBUGGING

e419f613d8591885df608cb73065921be07dd12eBob Halley#define ISC_MEM_DEBUGGING 0

bf43fdafa3bff9e84cb03f1a19aca74514d2516eBob Halley#endif

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob HalleyLIBISC_EXTERNAL_DATA unsigned int isc_mem_debugging = ISC_MEM_DEBUGGING;

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrence

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrence#define DEF_MAX_SIZE 1100

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrence#define DEF_MEM_TARGET 4096

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrence#define ALIGNMENT_SIZE 8 /*%< must be a power of 2 */

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrence#define NUM_BASIC_BLOCKS 64 /*%< must be > 1 */

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrence#define TABLE_INCREMENT 1024

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrence#define DEBUGLIST_COUNT 1024

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrence#if ISC_MEM_TRACKLINES

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrencetypedef struct debuglink debuglink_t;

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrencestruct debuglink {

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrence ISC_LINK(debuglink_t) link;

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrence const void *ptr[DEBUGLIST_COUNT];

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrence unsigned int size[DEBUGLIST_COUNT];

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrence const char *file[DEBUGLIST_COUNT];

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrence unsigned int line[DEBUGLIST_COUNT];

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrence unsigned int count;

76c8294c81fb48b1da6e1fc5b83322a4cedb8e58Andreas Gustafsson};

76c8294c81fb48b1da6e1fc5b83322a4cedb8e58Andreas Gustafsson

1b1e1fda4638334b484aa38c15f53a131c0b0fdfAndreas Gustafsson#define FLARG_PASS , file, line

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley#define FLARG , const char *file, int line

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley#else

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley#define FLARG_PASS

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley#define FLARG

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington#endif

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halleytypedef struct element element;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halleystruct element {

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley element * next;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley};

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellingtontypedef struct {

e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff /*!

e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff union {

e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff size_t size;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley isc_mem_t *ctx;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson char bytes[ALIGNMENT_SIZE];

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley } u;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley} size_info;

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellingtonstruct stats {

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington unsigned long gets;

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington unsigned long totalgets;

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington unsigned long blocks;

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington unsigned long freefrags;

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington};

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington#define MEM_MAGIC ISC_MAGIC('M', 'e', 'm', 'C')

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington#define VALID_CONTEXT(c) ISC_MAGIC_VALID(c, MEM_MAGIC)

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington#if ISC_MEM_TRACKLINES

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellingtontypedef ISC_LIST(debuglink_t) debuglist_t;

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington#endif

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellingtonstatic ISC_LIST(isc_mem_t) contexts;

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellingtonstatic isc_once_t once = ISC_ONCE_INIT;

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellingtonstatic isc_mutex_t lock;

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellingtonstruct isc_mem {

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington unsigned int magic;

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington isc_ondestroy_t ondestroy;

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington unsigned int flags;

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington isc_mutex_t lock;

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington isc_memalloc_t memalloc;

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington isc_memfree_t memfree;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington void * arg;

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington size_t max_size;

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington isc_boolean_t checkfree;

e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff struct stats * stats;

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington unsigned int references;

e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff size_t quota;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington size_t total;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington size_t inuse;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington size_t maxinuse;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington size_t hi_water;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington size_t lo_water;

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington isc_boolean_t hi_called;

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington isc_mem_water_t water;

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington void * water_arg;

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington ISC_LIST(isc_mempool_t) pools;

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington /* ISC_MEMFLAG_INTERNAL */

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington size_t mem_target;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson element ** freelists;

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington element * basic_blocks;

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington unsigned char ** basic_table;

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington unsigned int basic_table_count;

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington unsigned int basic_table_size;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson unsigned char * lowest;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington unsigned char * highest;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson#if ISC_MEM_TRACKLINES

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington debuglist_t * debuglist;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington#endif

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington unsigned int memalloc_failures;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ISC_LINK(isc_mem_t) link;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington};

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington#define MEMPOOL_MAGIC ISC_MAGIC('M', 'E', 'M', 'p')

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington#define VALID_MEMPOOL(c) ISC_MAGIC_VALID(c, MEMPOOL_MAGIC)

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington

777ac454c0cdec27dc11d80b9b2a8d7239d833a8Brian Wellingtonstruct isc_mempool {

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington /* always unlocked */

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington unsigned int magic; /*%< magic number */

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington isc_mutex_t *lock; /*%< optional lock */

17a3fcecd069130a5f318685493b0db5639a77c9Brian Wellington isc_mem_t *mctx; /*%< our memory context */

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson /*%< locked via the memory context's lock */

1b1e1fda4638334b484aa38c15f53a131c0b0fdfAndreas Gustafsson ISC_LINK(isc_mempool_t) link; /*%< next pool in this mem context */

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington /*%< optionally locked from here down */

01446841be2b73f9a2ead74056df2d5342414041Andreas Gustafsson element *items; /*%< low water item list */

17a3fcecd069130a5f318685493b0db5639a77c9Brian Wellington size_t size; /*%< size of each item on this pool */

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington unsigned int maxalloc; /*%< max number of items allowed */

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington unsigned int allocated; /*%< # of items currently given out */

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington unsigned int freecount; /*%< # of items on reserved list */

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence unsigned int freemax; /*%< # of items allowed on free list */

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence unsigned int fillcount; /*%< # of items to fetch on each fill */

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence /*%< Stats only. */

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington unsigned int gets; /*%< # of requests to this pool */

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington /*%< Debugging only. */

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington#if ISC_MEMPOOL_NAMES

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington char name[16]; /*%< printed name in stats reports */

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington#endif

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington};

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington#if ! ISC_MEM_TRACKLINES

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington#define ADD_TRACE(a, b, c, d, e)

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington#define DELETE_TRACE(a, b, c, d, e)

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington#else

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington#define ADD_TRACE(a, b, c, d, e) \

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington do { \

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington if ((isc_mem_debugging & (ISC_MEM_DEBUGTRACE | \

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington ISC_MEM_DEBUGRECORD)) != 0 && \

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington b != NULL) \

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington add_trace_entry(a, b, c, d, e); \

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington } while (0)

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington#define DELETE_TRACE(a, b, c, d, e) delete_trace_entry(a, b, c, d, e)

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellingtonstatic void

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellingtonprint_active(isc_mem_t *ctx, FILE *out);

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellingtonstatic inline void

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellingtonadd_trace_entry(isc_mem_t *mctx, const void *ptr, unsigned int size

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson FLARG)

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington{

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington debuglink_t *dl;

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington unsigned int i;

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington if ((isc_mem_debugging & ISC_MEM_DEBUGTRACE) != 0)

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson fprintf(stderr, isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington ISC_MSG_ADDTRACE,

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington "add %p size %u "

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington "file %s line %u mctx %p\n"),

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington ptr, size, file, line, mctx);

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence if (mctx->debuglist == NULL)

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence return;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington if (size > mctx->max_size)

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington size = mctx->max_size;

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington

aa863b2d1e3739ac958c510aa7d61137860c3b7eBrian Wellington dl = ISC_LIST_HEAD(mctx->debuglist[size]);

c38cf70db10594c4d23f092a65e17b123b381a60Brian Wellington while (dl != NULL) {

c38cf70db10594c4d23f092a65e17b123b381a60Brian Wellington if (dl->count == DEBUGLIST_COUNT)

c38cf70db10594c4d23f092a65e17b123b381a60Brian Wellington goto next;

c38cf70db10594c4d23f092a65e17b123b381a60Brian Wellington for (i = 0; i < DEBUGLIST_COUNT; i++) {

c38cf70db10594c4d23f092a65e17b123b381a60Brian Wellington if (dl->ptr[i] == NULL) {

c38cf70db10594c4d23f092a65e17b123b381a60Brian Wellington dl->ptr[i] = ptr;

c38cf70db10594c4d23f092a65e17b123b381a60Brian Wellington dl->size[i] = size;

c38cf70db10594c4d23f092a65e17b123b381a60Brian Wellington dl->file[i] = file;

c38cf70db10594c4d23f092a65e17b123b381a60Brian Wellington dl->line[i] = line;

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington dl->count++;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson return;

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington }

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington }

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson next:

aa863b2d1e3739ac958c510aa7d61137860c3b7eBrian Wellington dl = ISC_LIST_NEXT(dl, link);

aa863b2d1e3739ac958c510aa7d61137860c3b7eBrian Wellington }

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington

aa863b2d1e3739ac958c510aa7d61137860c3b7eBrian Wellington dl = malloc(sizeof(debuglink_t));

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson INSIST(dl != NULL);

aa863b2d1e3739ac958c510aa7d61137860c3b7eBrian Wellington

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington ISC_LINK_INIT(dl, link);

aa863b2d1e3739ac958c510aa7d61137860c3b7eBrian Wellington for (i = 1; i < DEBUGLIST_COUNT; i++) {

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington dl->ptr[i] = NULL;

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington dl->size[i] = 0;

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence dl->file[i] = NULL;

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence dl->line[i] = 0;

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence }

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence dl->ptr[0] = ptr;

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence dl->size[0] = size;

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence dl->file[0] = file;

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence dl->line[0] = line;

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington dl->count = 1;

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington ISC_LIST_PREPEND(mctx->debuglist[size], dl, link);

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington}

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellingtonstatic inline void

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtondelete_trace_entry(isc_mem_t *mctx, const void *ptr, unsigned int size,

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington const char *file, unsigned int line)

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington{

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington debuglink_t *dl;

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington unsigned int i;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington if ((isc_mem_debugging & ISC_MEM_DEBUGTRACE) != 0)

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington fprintf(stderr, isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ISC_MSG_DELTRACE,

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington "del %p size %u "

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence "file %s line %u mctx %p\n"),

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence ptr, size, file, line, mctx);

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson if (mctx->debuglist == NULL)

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington return;

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington if (size > mctx->max_size)

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington size = mctx->max_size;

17a3fcecd069130a5f318685493b0db5639a77c9Brian Wellington

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson dl = ISC_LIST_HEAD(mctx->debuglist[size]);

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington while (dl != NULL) {

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington for (i = 0; i < DEBUGLIST_COUNT; i++) {

01446841be2b73f9a2ead74056df2d5342414041Andreas Gustafsson if (dl->ptr[i] == ptr) {

17a3fcecd069130a5f318685493b0db5639a77c9Brian Wellington dl->ptr[i] = NULL;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington dl->size[i] = 0;

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington dl->file[i] = NULL;

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence dl->line[i] = 0;

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence INSIST(dl->count > 0);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington dl->count--;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington if (dl->count == 0) {

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ISC_LIST_UNLINK(mctx->debuglist[size],

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington dl, link);

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington free(dl);

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington }

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington return;

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington }

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington }

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington dl = ISC_LIST_NEXT(dl, link);

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington }

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington /*

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington INSIST(dl != NULL);

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington}

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington#endif /* ISC_MEM_TRACKLINES */

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellingtonstatic inline size_t

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellingtonrmsize(size_t size) {

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington /*

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington return (size & (~(ALIGNMENT_SIZE - 1)));

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington}

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellingtonstatic inline size_t

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellingtonquantize(size_t size) {

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington /*!

76c8294c81fb48b1da6e1fc5b83322a4cedb8e58Andreas Gustafsson

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington if (size == 0U)

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington return (ALIGNMENT_SIZE);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington return ((size + ALIGNMENT_SIZE - 1) & (~(ALIGNMENT_SIZE - 1)));

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington}

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellingtonstatic inline isc_boolean_t

777ac454c0cdec27dc11d80b9b2a8d7239d833a8Brian Wellingtonmore_basic_blocks(isc_mem_t *ctx) {

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington void *new;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington unsigned char *curr, *next;

777ac454c0cdec27dc11d80b9b2a8d7239d833a8Brian Wellington unsigned char *first, *last;

17a3fcecd069130a5f318685493b0db5639a77c9Brian Wellington unsigned char **table;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson unsigned int table_size;

1b1e1fda4638334b484aa38c15f53a131c0b0fdfAndreas Gustafsson size_t increment;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington int i;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

17a3fcecd069130a5f318685493b0db5639a77c9Brian Wellington /* Require: we hold the context lock. */

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

17a3fcecd069130a5f318685493b0db5639a77c9Brian Wellington /*

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence increment = NUM_BASIC_BLOCKS * ctx->mem_target;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington if (ctx->quota != 0U && ctx->total + increment > ctx->quota)

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence return (ISC_FALSE);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington INSIST(ctx->basic_table_count <= ctx->basic_table_size);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington if (ctx->basic_table_count == ctx->basic_table_size) {

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington table_size = ctx->basic_table_size + TABLE_INCREMENT;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington table = (ctx->memalloc)(ctx->arg,

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington table_size * sizeof(unsigned char *));

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington if (table == NULL) {

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->memalloc_failures++;

e27021ee1f37185ab839a7a3b6bc078c24255e62Brian Wellington return (ISC_FALSE);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington }

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington if (ctx->basic_table_size != 0) {

c03bb27f0675a6e60ceea66b451548e8481bc05cMark Andrews memcpy(table, ctx->basic_table,

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->basic_table_size *

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington sizeof(unsigned char *));

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington (ctx->memfree)(ctx->arg, ctx->basic_table);

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington }

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson ctx->basic_table = table;

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington ctx->basic_table_size = table_size;

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington }

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington new = (ctx->memalloc)(ctx->arg, NUM_BASIC_BLOCKS * ctx->mem_target);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington if (new == NULL) {

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson ctx->memalloc_failures++;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington return (ISC_FALSE);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington }

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->total += increment;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->basic_table[ctx->basic_table_count] = new;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->basic_table_count++;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington curr = new;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson next = curr + ctx->mem_target;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson for (i = 0; i < (NUM_BASIC_BLOCKS - 1); i++) {

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ((element *)curr)->next = (element *)next;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington curr = next;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington next += ctx->mem_target;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington }

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson /*

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson ((element *)curr)->next = NULL;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington first = new;

d1cbf714097e900ed1703529584d3e1a50e8a4a8Brian Wellington last = first + NUM_BASIC_BLOCKS * ctx->mem_target - 1;

d1cbf714097e900ed1703529584d3e1a50e8a4a8Brian Wellington if (first < ctx->lowest || ctx->lowest == NULL)

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->lowest = first;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington if (last > ctx->highest)

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->highest = last;

d1cbf714097e900ed1703529584d3e1a50e8a4a8Brian Wellington ctx->basic_blocks = new;

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington return (ISC_TRUE);

368b37b616234fce3d23099eb180f1dd38e1fb62Mark Andrews}

d1cbf714097e900ed1703529584d3e1a50e8a4a8Brian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtonstatic inline isc_boolean_t

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtonmore_frags(isc_mem_t *ctx, size_t new_size) {

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington int i, frags;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington size_t total_size;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington void *new;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington unsigned char *curr, *next;

e27021ee1f37185ab839a7a3b6bc078c24255e62Brian Wellington

e27021ee1f37185ab839a7a3b6bc078c24255e62Brian Wellington /*!

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington if (ctx->basic_blocks == NULL) {

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington if (!more_basic_blocks(ctx)) {

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington /*

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson /*

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington return (ISC_FALSE);

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington }

d1cbf714097e900ed1703529584d3e1a50e8a4a8Brian Wellington }

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington total_size = ctx->mem_target;

d1cbf714097e900ed1703529584d3e1a50e8a4a8Brian Wellington new = ctx->basic_blocks;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->basic_blocks = ctx->basic_blocks->next;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington frags = total_size / new_size;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson ctx->stats[new_size].blocks++;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->stats[new_size].freefrags += frags;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington /*

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington curr = new;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson next = curr + new_size;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington total_size -= new_size;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington for (i = 0; i < (frags - 1); i++) {

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ((element *)curr)->next = (element *)next;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington curr = next;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington next += new_size;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington total_size -= new_size;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington }

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington /*

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington total_size = rmsize(total_size);

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington if (total_size > 0U) {

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington ((element *)next)->next = ctx->freelists[total_size];

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington ctx->freelists[total_size] = (element *)next;

e27021ee1f37185ab839a7a3b6bc078c24255e62Brian Wellington ctx->stats[total_size].freefrags++;

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington }

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington /*

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington ((element *)curr)->next = NULL;

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington ctx->freelists[new_size] = new;

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington return (ISC_TRUE);

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington}

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellingtonstatic inline void *

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellingtonmem_getunlocked(isc_mem_t *ctx, size_t size) {

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington size_t new_size = quantize(size);

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington void *ret;

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington if (size >= ctx->max_size || new_size >= ctx->max_size) {

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington /*

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington if (ctx->quota != 0U && ctx->total + size > ctx->quota) {

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson ret = NULL;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington goto done;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington }

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson ret = (ctx->memalloc)(ctx->arg, size);

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington if (ret == NULL) {

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->memalloc_failures++;

f15af68028adc665d3bdddf955fc52bad83f0514Brian Wellington goto done;

f15af68028adc665d3bdddf955fc52bad83f0514Brian Wellington }

f15af68028adc665d3bdddf955fc52bad83f0514Brian Wellington ctx->total += size;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->inuse += size;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->stats[ctx->max_size].gets++;

e27021ee1f37185ab839a7a3b6bc078c24255e62Brian Wellington ctx->stats[ctx->max_size].totalgets++;

e27021ee1f37185ab839a7a3b6bc078c24255e62Brian Wellington /*

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington new_size = size;

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington goto done;

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington }

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington /*

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington if (ctx->freelists[new_size] == NULL && !more_frags(ctx, new_size))

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington return (NULL);

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington /*

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington ret = ctx->freelists[new_size];

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington ctx->freelists[new_size] = ctx->freelists[new_size]->next;

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington /*

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington ctx->stats[size].gets++;

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington ctx->stats[size].totalgets++;

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington ctx->stats[new_size].freefrags--;

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington ctx->inuse += new_size;

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington done:

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington#if ISC_MEM_FILL

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington if (ret != NULL)

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson memset(ret, 0xbe, new_size); /* Mnemonic for "beef". */

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington#endif

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington return (ret);

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson}

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington#if ISC_MEM_FILL && ISC_MEM_CHECKOVERRUN

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtonstatic inline void

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtoncheck_overrun(void *mem, size_t size, size_t new_size) {

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson unsigned char *cp;

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington cp = (unsigned char *)mem;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington cp += size;

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington while (size < new_size) {

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington INSIST(*cp == 0xbe);

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington cp++;

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington size++;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington }

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington}

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington#endif

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellingtonstatic inline void

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellingtonmem_putunlocked(isc_mem_t *ctx, void *mem, size_t size) {

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington size_t new_size = quantize(size);

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington if (size == ctx->max_size || new_size >= ctx->max_size) {

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington /*

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington#if ISC_MEM_FILL

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington memset(mem, 0xde, size); /* Mnemonic for "dead". */

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington#endif

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington (ctx->memfree)(ctx->arg, mem);

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington INSIST(ctx->stats[ctx->max_size].gets != 0U);

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington ctx->stats[ctx->max_size].gets--;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington INSIST(size <= ctx->total);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->inuse -= size;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->total -= size;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington return;

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington }

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington#if ISC_MEM_FILL

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington#if ISC_MEM_CHECKOVERRUN

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington check_overrun(mem, size, new_size);

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington#endif

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington memset(mem, 0xde, new_size); /* Mnemonic for "dead". */

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington#endif

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington /*

f439363eeb4052fddc0e3ec648658548daa10506Brian Wellington ((element *)mem)->next = ctx->freelists[new_size];

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->freelists[new_size] = (element *)mem;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington /*

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington INSIST(ctx->stats[size].gets != 0U);

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington ctx->stats[size].gets--;

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington ctx->stats[new_size].freefrags++;

f439363eeb4052fddc0e3ec648658548daa10506Brian Wellington ctx->inuse -= new_size;

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington}

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtonstatic inline void *

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtonmem_get(isc_mem_t *ctx, size_t size) {

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington char *ret;

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington#if ISC_MEM_CHECKOVERRUN

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington size += 1;

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington#endif

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington ret = (ctx->memalloc)(ctx->arg, size);

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence if (ret == NULL)

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington ctx->memalloc_failures++;

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington#if ISC_MEM_FILL

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington if (ret != NULL)

c03bb27f0675a6e60ceea66b451548e8481bc05cMark Andrews memset(ret, 0xbe, size); /* Mnemonic for "beef". */

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington#else

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington# if ISC_MEM_CHECKOVERRUN

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington if (ret != NULL)

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington ret[size-1] = 0xbe;

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington# endif

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington#endif

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington

6e49e91bd08778d7eae45a2229dcf41ed97cc636David Lawrence return (ret);

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington}

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellingtonstatic inline void

5c29047792191d6141f69b2684314d0b762fedebBrian Wellingtonmem_put(isc_mem_t *ctx, void *mem, size_t size) {

5c29047792191d6141f69b2684314d0b762fedebBrian Wellington#if ISC_MEM_CHECKOVERRUN

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington INSIST(((unsigned char *)mem)[size] == 0xbe);

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington#endif

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington#if ISC_MEM_FILL

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington memset(mem, 0xde, size); /* Mnemonic for "dead". */

c50936eb40263b65ebf6afe4e6556e2dc67c10e4Brian Wellington#else

368b37b616234fce3d23099eb180f1dd38e1fb62Mark Andrews UNUSED(size);

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington#endif

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington (ctx->memfree)(ctx->arg, mem);

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington}

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafssonstatic inline void

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafssonmem_getstats(isc_mem_t *ctx, size_t size) {

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson ctx->total += size;

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington ctx->inuse += size;

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence if (size > ctx->max_size) {

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->stats[ctx->max_size].gets++;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley ctx->stats[ctx->max_size].totalgets++;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley } else {

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley ctx->stats[size].gets++;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley ctx->stats[size].totalgets++;

c03bb27f0675a6e60ceea66b451548e8481bc05cMark Andrews }

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington}

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellingtonstatic inline void

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellingtonmem_putstats(isc_mem_t *ctx, void *ptr, size_t size) {

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington UNUSED(ptr);

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley INSIST(ctx->inuse >= size);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley ctx->inuse -= size;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington if (size > ctx->max_size) {

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley INSIST(ctx->stats[ctx->max_size].gets > 0U);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley ctx->stats[ctx->max_size].gets--;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley } else {

6e49e91bd08778d7eae45a2229dcf41ed97cc636David Lawrence INSIST(ctx->stats[size].gets > 0U);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley ctx->stats[size].gets--;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley }

5c29047792191d6141f69b2684314d0b762fedebBrian Wellington}

5c29047792191d6141f69b2684314d0b762fedebBrian Wellington

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtonstatic void *

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halleydefault_memalloc(void *arg, size_t size) {

63bf060be4ff2a7ade02fd86abb98694a5afc250Brian Wellington UNUSED(arg);

63bf060be4ff2a7ade02fd86abb98694a5afc250Brian Wellington if (size == 0U)

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington size = 1;

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington return (malloc(size));

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington}

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellingtonstatic void

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellingtondefault_memfree(void *arg, void *ptr) {

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington UNUSED(arg);

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington free(ptr);

c50936eb40263b65ebf6afe4e6556e2dc67c10e4Brian Wellington}

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halleystatic void

c50936eb40263b65ebf6afe4e6556e2dc67c10e4Brian Wellingtoninitialize_action(void) {

368b37b616234fce3d23099eb180f1dd38e1fb62Mark Andrews RUNTIME_CHECK(isc_mutex_init(&lock) == ISC_R_SUCCESS);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley}

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington

c50936eb40263b65ebf6afe4e6556e2dc67c10e4Brian Wellingtonisc_mem_createx(size_t init_max_size, size_t target_size,

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington isc_memalloc_t memalloc, isc_memfree_t memfree, void *arg,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley isc_mem_t **ctxp)

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley{

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley return (isc_mem_createx2(init_max_size, target_size, memalloc, memfree,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley arg, ctxp, ISC_MEMFLAG_DEFAULT));

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley}

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halleyisc_mem_createx2(size_t init_max_size, size_t target_size,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley isc_memalloc_t memalloc, isc_memfree_t memfree, void *arg,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley isc_mem_t **ctxp, unsigned int flags)

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley{

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley isc_mem_t *ctx;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley isc_result_t result;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington REQUIRE(ctxp != NULL && *ctxp == NULL);

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington REQUIRE(memalloc != NULL);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley REQUIRE(memfree != NULL);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley INSIST((ALIGNMENT_SIZE & (ALIGNMENT_SIZE - 1)) == 0);

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington RUNTIME_CHECK(isc_once_do(&once, initialize_action) == ISC_R_SUCCESS);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley ctx = (memalloc)(arg, sizeof(*ctx));

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if (ctx == NULL)

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley return (ISC_R_NOMEMORY);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if ((flags & ISC_MEMFLAG_NOLOCK) == 0) {

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley result = isc_mutex_init(&ctx->lock);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if (result != ISC_R_SUCCESS) {

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson (memfree)(arg, ctx);

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson return (result);

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson }

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson }

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson if (init_max_size == 0U)

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson ctx->max_size = DEF_MAX_SIZE;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington else

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson ctx->max_size = init_max_size;

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson ctx->flags = flags;

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson ctx->references = 1;

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson ctx->quota = 0;

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson ctx->total = 0;

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson ctx->inuse = 0;

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson ctx->maxinuse = 0;

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson ctx->hi_water = 0;

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson ctx->lo_water = 0;

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington ctx->hi_called = ISC_FALSE;

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington ctx->water = NULL;

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington ctx->water_arg = NULL;

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington ctx->magic = MEM_MAGIC;

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington isc_ondestroy_init(&ctx->ondestroy);

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington ctx->memalloc = memalloc;

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington ctx->memfree = memfree;

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington ctx->arg = arg;

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington ctx->stats = NULL;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson ctx->checkfree = ISC_TRUE;

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington#if ISC_MEM_TRACKLINES

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington ctx->debuglist = NULL;

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington#endif

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington ISC_LIST_INIT(ctx->pools);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley ctx->freelists = NULL;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley ctx->basic_blocks = NULL;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley ctx->basic_table = NULL;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->basic_table_count = 0;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->basic_table_size = 0;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->lowest = NULL;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctx->highest = NULL;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley ctx->stats = (memalloc)(arg,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley (ctx->max_size+1) * sizeof(struct stats));

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington if (ctx->stats == NULL) {

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley result = ISC_R_NOMEMORY;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley goto error;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley }

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley memset(ctx->stats, 0, (ctx->max_size + 1) * sizeof(struct stats));

77c67dfb2607618f5e7940486daebafd42a502abBrian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington if ((flags & ISC_MEMFLAG_INTERNAL) != 0) {

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington if (target_size == 0U)

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington ctx->mem_target = DEF_MEM_TARGET;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley else

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley ctx->mem_target = target_size;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley ctx->freelists = (memalloc)(arg, ctx->max_size *

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington sizeof(element *));

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington if (ctx->freelists == NULL) {

ec371edc34e2adb9e337b774d1a6e613f5863655Brian Wellington result = ISC_R_NOMEMORY;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington goto error;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington }

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington memset(ctx->freelists, 0,

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington ctx->max_size * sizeof(element *));

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington }

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington#if ISC_MEM_TRACKLINES

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington if ((isc_mem_debugging & ISC_MEM_DEBUGRECORD) != 0) {

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington unsigned int i;

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington ctx->debuglist = (memalloc)(arg,

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington (ctx->max_size+1) * sizeof(debuglist_t));

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if (ctx->debuglist == NULL) {

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington result = ISC_R_NOMEMORY;

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington goto error;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley }

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington for (i = 0; i <= ctx->max_size; i++)

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ISC_LIST_INIT(ctx->debuglist[i]);

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington }

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington#endif

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington ctx->memalloc_failures = 0;

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington LOCK(&lock);

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington ISC_LIST_INITANDAPPEND(contexts, ctx, link);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley UNLOCK(&lock);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley *ctxp = ctx;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson return (ISC_R_SUCCESS);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington error:

77c67dfb2607618f5e7940486daebafd42a502abBrian Wellington if (ctx != NULL) {

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if (ctx->stats != NULL)

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley (memfree)(arg, ctx->stats);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if (ctx->freelists != NULL)

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley (memfree)(arg, ctx->freelists);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley#if ISC_MEM_TRACKLINES

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if (ctx->debuglist != NULL)

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley (ctx->memfree)(ctx->arg, ctx->debuglist);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley#endif /* ISC_MEM_TRACKLINES */

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if ((ctx->flags & ISC_MEMFLAG_NOLOCK) == 0)

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley DESTROYLOCK(&ctx->lock);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley (memfree)(arg, ctx);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley }

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington return (result);

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington}

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellingtonisc_mem_create(size_t init_max_size, size_t target_size,

e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff isc_mem_t **ctxp)

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington{

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington return (isc_mem_createx2(init_max_size, target_size,

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington default_memalloc, default_memfree, NULL,

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ctxp, ISC_MEMFLAG_DEFAULT));

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington}

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellingtonisc_mem_create2(size_t init_max_size, size_t target_size,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley isc_mem_t **ctxp, unsigned int flags)

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley{

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley return (isc_mem_createx2(init_max_size, target_size,

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington default_memalloc, default_memfree, NULL,

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington ctxp, flags));

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley}

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halleystatic void

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halleydestroy(isc_mem_t *ctx) {

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley unsigned int i;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley isc_ondestroy_t ondest;

77c67dfb2607618f5e7940486daebafd42a502abBrian Wellington

77c67dfb2607618f5e7940486daebafd42a502abBrian Wellington ctx->magic = 0;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington LOCK(&lock);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ISC_LIST_UNLINK(contexts, ctx, link);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley UNLOCK(&lock);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley INSIST(ISC_LIST_EMPTY(ctx->pools));

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington#if ISC_MEM_TRACKLINES

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington if (ctx->debuglist != NULL) {

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington if (ctx->checkfree) {

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington for (i = 0; i <= ctx->max_size; i++) {

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington if (!ISC_LIST_EMPTY(ctx->debuglist[i]))

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington print_active(ctx, stderr);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington INSIST(ISC_LIST_EMPTY(ctx->debuglist[i]));

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington }

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington } else {

c03bb27f0675a6e60ceea66b451548e8481bc05cMark Andrews debuglink_t *dl;

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington for (i = 0; i <= ctx->max_size; i++)

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington for (dl = ISC_LIST_HEAD(ctx->debuglist[i]);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington dl != NULL;

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington dl = ISC_LIST_HEAD(ctx->debuglist[i])) {

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington ISC_LIST_UNLINK(ctx->debuglist[i],

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington dl, link);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington free(dl);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington }

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington }

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington (ctx->memfree)(ctx->arg, ctx->debuglist);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington }

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington#endif

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington INSIST(ctx->references == 0);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington if (ctx->checkfree) {

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington for (i = 0; i <= ctx->max_size; i++) {

368b37b616234fce3d23099eb180f1dd38e1fb62Mark Andrews#if ISC_MEM_TRACKLINES

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington if (ctx->stats[i].gets != 0U)

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington print_active(ctx, stderr);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington#endif

26e5029fd55434db52702313a49e3dc7d47bd328Brian Wellington INSIST(ctx->stats[i].gets == 0U);

26e5029fd55434db52702313a49e3dc7d47bd328Brian Wellington }

26e5029fd55434db52702313a49e3dc7d47bd328Brian Wellington }

26e5029fd55434db52702313a49e3dc7d47bd328Brian Wellington

26e5029fd55434db52702313a49e3dc7d47bd328Brian Wellington (ctx->memfree)(ctx->arg, ctx->stats);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington if ((ctx->flags & ISC_MEMFLAG_INTERNAL) != 0) {

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington for (i = 0; i < ctx->basic_table_count; i++)

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington (ctx->memfree)(ctx->arg, ctx->basic_table[i]);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington (ctx->memfree)(ctx->arg, ctx->freelists);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington (ctx->memfree)(ctx->arg, ctx->basic_table);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington }

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington ondest = ctx->ondestroy;

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington if ((ctx->flags & ISC_MEMFLAG_NOLOCK) == 0)

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington DESTROYLOCK(&ctx->lock);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington (ctx->memfree)(ctx->arg, ctx);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington isc_ondestroy_notify(&ondest, ctx);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington}

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellingtonisc_mem_attach(isc_mem_t *source, isc_mem_t **targetp) {

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington REQUIRE(VALID_CONTEXT(source));

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington REQUIRE(targetp != NULL && *targetp == NULL);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington MCTXLOCK(source, &source->lock);

3ce4b8b03ebd017c1d1b320429219ba91e705ea4Andreas Gustafsson source->references++;

3ce4b8b03ebd017c1d1b320429219ba91e705ea4Andreas Gustafsson MCTXUNLOCK(source, &source->lock);

3ce4b8b03ebd017c1d1b320429219ba91e705ea4Andreas Gustafsson

3ce4b8b03ebd017c1d1b320429219ba91e705ea4Andreas Gustafsson *targetp = source;

3ce4b8b03ebd017c1d1b320429219ba91e705ea4Andreas Gustafsson}

3ce4b8b03ebd017c1d1b320429219ba91e705ea4Andreas Gustafsson

3ce4b8b03ebd017c1d1b320429219ba91e705ea4Andreas Gustafssonisc_mem_detach(isc_mem_t **ctxp) {

3ce4b8b03ebd017c1d1b320429219ba91e705ea4Andreas Gustafsson isc_mem_t *ctx;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley isc_boolean_t want_destroy = ISC_FALSE;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley REQUIRE(ctxp != NULL);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley ctx = *ctxp;

c03bb27f0675a6e60ceea66b451548e8481bc05cMark Andrews REQUIRE(VALID_CONTEXT(ctx));

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley MCTXLOCK(ctx, &ctx->lock);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley INSIST(ctx->references > 0);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley ctx->references--;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if (ctx->references == 0)

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley want_destroy = ISC_TRUE;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley MCTXUNLOCK(ctx, &ctx->lock);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington if (want_destroy)

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington destroy(ctx);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington *ctxp = NULL;

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington}

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellingtonisc__mem_putanddetach(isc_mem_t **ctxp, void *ptr, size_t size FLARG) {

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington isc_mem_t *ctx;

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington isc_boolean_t want_destroy = ISC_FALSE;

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington size_info *si;

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson size_t oldsize;

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson REQUIRE(ctxp != NULL);

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence ctx = *ctxp;

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson REQUIRE(VALID_CONTEXT(ctx));

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson REQUIRE(ptr != NULL);

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley /*

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson *ctxp = NULL;

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson if ((isc_mem_debugging & (ISC_MEM_DEBUGSIZE|ISC_MEM_DEBUGCTX)) != 0) {

368b37b616234fce3d23099eb180f1dd38e1fb62Mark Andrews if ((isc_mem_debugging & ISC_MEM_DEBUGSIZE) != 0) {

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley si = &(((size_info *)ptr)[-1]);

fe5ba8ddb55b2b3ee139e13b7891817117ad4e63Brian Wellington oldsize = si->u.size - ALIGNMENT_SIZE;

fe5ba8ddb55b2b3ee139e13b7891817117ad4e63Brian Wellington if ((isc_mem_debugging & ISC_MEM_DEBUGCTX) != 0)

f3ca27e9fe307b55e35ea8d7b37351650630e5a3Andreas Gustafsson oldsize -= ALIGNMENT_SIZE;

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington INSIST(oldsize == size);

f3ca27e9fe307b55e35ea8d7b37351650630e5a3Andreas Gustafsson }

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington isc__mem_free(ctx, ptr FLARG_PASS);

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington

1f1d36a87b65186d9f89aac7f456ab1fd2a39ef6Andreas Gustafsson MCTXLOCK(ctx, &ctx->lock);

1f1d36a87b65186d9f89aac7f456ab1fd2a39ef6Andreas Gustafsson ctx->references--;

1f1d36a87b65186d9f89aac7f456ab1fd2a39ef6Andreas Gustafsson if (ctx->references == 0)

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence want_destroy = ISC_TRUE;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley MCTXUNLOCK(ctx, &ctx->lock);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if (want_destroy)

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley destroy(ctx);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley return;

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence }

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington if ((ctx->flags & ISC_MEMFLAG_INTERNAL) != 0) {

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson MCTXLOCK(ctx, &ctx->lock);

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson mem_putunlocked(ctx, ptr, size);

0a3e2e1d590dac7fb011e72bd3a4982c179d8e68Brian Wellington } else {

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley mem_put(ctx, ptr, size);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley MCTXLOCK(ctx, &ctx->lock);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley mem_putstats(ctx, ptr, size);

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington }

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington DELETE_TRACE(ctx, ptr, size, file, line);

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson INSIST(ctx->references > 0);

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington ctx->references--;

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington if (ctx->references == 0)

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington want_destroy = ISC_TRUE;

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington MCTXUNLOCK(ctx, &ctx->lock);

ba393f380e4cd93029f6a7291d6c2d14f9022b3cBrian Wellington

6bc1a645619a14707da68b130dafe41721fd2f25Brian Wellington if (want_destroy)

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington destroy(ctx);

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington}

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafssonisc_mem_destroy(isc_mem_t **ctxp) {

ba393f380e4cd93029f6a7291d6c2d14f9022b3cBrian Wellington isc_mem_t *ctx;

ba393f380e4cd93029f6a7291d6c2d14f9022b3cBrian Wellington

ba393f380e4cd93029f6a7291d6c2d14f9022b3cBrian Wellington /*

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington REQUIRE(ctxp != NULL);

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington ctx = *ctxp;

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington REQUIRE(VALID_CONTEXT(ctx));

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington MCTXLOCK(ctx, &ctx->lock);

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington#if ISC_MEM_TRACKLINES

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington if (ctx->references != 1)

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington print_active(ctx, stderr);

ba393f380e4cd93029f6a7291d6c2d14f9022b3cBrian Wellington#endif

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington REQUIRE(ctx->references == 1);

ba393f380e4cd93029f6a7291d6c2d14f9022b3cBrian Wellington ctx->references--;

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington MCTXUNLOCK(ctx, &ctx->lock);

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington

ba393f380e4cd93029f6a7291d6c2d14f9022b3cBrian Wellington destroy(ctx);

ba393f380e4cd93029f6a7291d6c2d14f9022b3cBrian Wellington

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington *ctxp = NULL;

ba393f380e4cd93029f6a7291d6c2d14f9022b3cBrian Wellington}

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellingtonisc_mem_ondestroy(isc_mem_t *ctx, isc_task_t *task, isc_event_t **event) {

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington isc_result_t res;

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington MCTXLOCK(ctx, &ctx->lock);

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington res = isc_ondestroy_register(&ctx->ondestroy, task, event);

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington MCTXUNLOCK(ctx, &ctx->lock);

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington return (res);

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington}

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellingtonvoid *

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellingtonisc__mem_get(isc_mem_t *ctx, size_t size FLARG) {

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington void *ptr;

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington isc_boolean_t call_water = ISC_FALSE;

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington REQUIRE(VALID_CONTEXT(ctx));

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington if ((isc_mem_debugging & (ISC_MEM_DEBUGSIZE|ISC_MEM_DEBUGCTX)) != 0)

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington return (isc__mem_allocate(ctx, size FLARG_PASS));

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington if ((ctx->flags & ISC_MEMFLAG_INTERNAL) != 0) {

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington MCTXLOCK(ctx, &ctx->lock);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington ptr = mem_getunlocked(ctx, size);

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington } else {

187604c1adfe841d909d4a8453b6900e652f7f6dBrian Wellington ptr = mem_get(ctx, size);

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington MCTXLOCK(ctx, &ctx->lock);

538fea1c91c68c0a5569c7b8552c8fd0490055efBrian Wellington if (ptr != NULL)

538fea1c91c68c0a5569c7b8552c8fd0490055efBrian Wellington mem_getstats(ctx, size);

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson }

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington

538fea1c91c68c0a5569c7b8552c8fd0490055efBrian Wellington ADD_TRACE(ctx, ptr, size, file, line);

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington if (ctx->hi_water != 0U && !ctx->hi_called &&

777ac454c0cdec27dc11d80b9b2a8d7239d833a8Brian Wellington ctx->inuse > ctx->hi_water) {

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson ctx->hi_called = ISC_TRUE;

777ac454c0cdec27dc11d80b9b2a8d7239d833a8Brian Wellington call_water = ISC_TRUE;

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington }

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson if (ctx->inuse > ctx->maxinuse) {

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington ctx->maxinuse = ctx->inuse;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson if (ctx->hi_water != 0U && ctx->inuse > ctx->hi_water &&

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington (isc_mem_debugging & ISC_MEM_DEBUGUSAGE) != 0)

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington fprintf(stderr, "maxinuse = %lu\n",

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington (unsigned long)ctx->inuse);

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington }

e1f16346db02486f751c6db683fffe53c866c186Andreas Gustafsson MCTXUNLOCK(ctx, &ctx->lock);

e1f16346db02486f751c6db683fffe53c866c186Andreas Gustafsson

e1f16346db02486f751c6db683fffe53c866c186Andreas Gustafsson if (call_water)

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley (ctx->water)(ctx->water_arg, ISC_MEM_HIWATER);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington return (ptr);

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington}

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellingtonisc__mem_put(isc_mem_t *ctx, void *ptr, size_t size FLARG)

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington{

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington isc_boolean_t call_water = ISC_FALSE;

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington size_info *si;

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington size_t oldsize;

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington REQUIRE(VALID_CONTEXT(ctx));

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington REQUIRE(ptr != NULL);

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson if ((isc_mem_debugging & (ISC_MEM_DEBUGSIZE|ISC_MEM_DEBUGCTX)) != 0) {

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington if ((isc_mem_debugging & ISC_MEM_DEBUGSIZE) != 0) {

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington si = &(((size_info *)ptr)[-1]);

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington oldsize = si->u.size - ALIGNMENT_SIZE;

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington if ((isc_mem_debugging & ISC_MEM_DEBUGCTX) != 0)

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington oldsize -= ALIGNMENT_SIZE;

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington INSIST(oldsize == size);

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington }

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington isc__mem_free(ctx, ptr FLARG_PASS);

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington return;

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington }

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington if ((ctx->flags & ISC_MEMFLAG_INTERNAL) != 0) {

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington MCTXLOCK(ctx, &ctx->lock);

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington mem_putunlocked(ctx, ptr, size);

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington } else {

f15af68028adc665d3bdddf955fc52bad83f0514Brian Wellington mem_put(ctx, ptr, size);

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington MCTXLOCK(ctx, &ctx->lock);

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington mem_putstats(ctx, ptr, size);

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington }

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington DELETE_TRACE(ctx, ptr, size, file, line);

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington /*

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington if (ctx->hi_called &&

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington (ctx->inuse < ctx->lo_water || ctx->lo_water == 0U)) {

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington ctx->hi_called = ISC_FALSE;

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington if (ctx->water != NULL)

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington call_water = ISC_TRUE;

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington }

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington MCTXUNLOCK(ctx, &ctx->lock);

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington if (call_water)

d6be55c63f83194d97a565d0fd7b632b31b52a68Brian Wellington (ctx->water)(ctx->water_arg, ISC_MEM_LOWATER);

d6be55c63f83194d97a565d0fd7b632b31b52a68Brian Wellington}

d6be55c63f83194d97a565d0fd7b632b31b52a68Brian Wellington

d6be55c63f83194d97a565d0fd7b632b31b52a68Brian Wellington#if ISC_MEM_TRACKLINES

d6be55c63f83194d97a565d0fd7b632b31b52a68Brian Wellingtonstatic void

d6be55c63f83194d97a565d0fd7b632b31b52a68Brian Wellingtonprint_active(isc_mem_t *mctx, FILE *out) {

d6be55c63f83194d97a565d0fd7b632b31b52a68Brian Wellington if (mctx->debuglist != NULL) {

d6be55c63f83194d97a565d0fd7b632b31b52a68Brian Wellington debuglink_t *dl;

d6be55c63f83194d97a565d0fd7b632b31b52a68Brian Wellington unsigned int i, j;

d6be55c63f83194d97a565d0fd7b632b31b52a68Brian Wellington const char *format;

32b2cdf212de957e3f9b0efca59f098ed4fb42deBrian Wellington isc_boolean_t found;

32b2cdf212de957e3f9b0efca59f098ed4fb42deBrian Wellington

32b2cdf212de957e3f9b0efca59f098ed4fb42deBrian Wellington fprintf(out, isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

c03bb27f0675a6e60ceea66b451548e8481bc05cMark Andrews ISC_MSG_DUMPALLOC,

32b2cdf212de957e3f9b0efca59f098ed4fb42deBrian Wellington "Dump of all outstanding "

32b2cdf212de957e3f9b0efca59f098ed4fb42deBrian Wellington "memory allocations:\n"));

32b2cdf212de957e3f9b0efca59f098ed4fb42deBrian Wellington found = ISC_FALSE;

32b2cdf212de957e3f9b0efca59f098ed4fb42deBrian Wellington format = isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

32b2cdf212de957e3f9b0efca59f098ed4fb42deBrian Wellington ISC_MSG_PTRFILELINE,

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington "\tptr %p size %u file %s line %u\n");

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington for (i = 0; i <= mctx->max_size; i++) {

32b2cdf212de957e3f9b0efca59f098ed4fb42deBrian Wellington dl = ISC_LIST_HEAD(mctx->debuglist[i]);

32b2cdf212de957e3f9b0efca59f098ed4fb42deBrian Wellington

32b2cdf212de957e3f9b0efca59f098ed4fb42deBrian Wellington if (dl != NULL)

32b2cdf212de957e3f9b0efca59f098ed4fb42deBrian Wellington found = ISC_TRUE;

32b2cdf212de957e3f9b0efca59f098ed4fb42deBrian Wellington

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington while (dl != NULL) {

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington for (j = 0; j < DEBUGLIST_COUNT; j++)

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington if (dl->ptr[j] != NULL)

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington fprintf(out, format,

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington dl->ptr[j],

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington dl->size[j],

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington dl->file[j],

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington dl->line[j]);

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington dl = ISC_LIST_NEXT(dl, link);

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington }

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington }

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington if (!found)

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington fprintf(out, isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington ISC_MSG_NONE, "\tNone.\n"));

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence }

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington}

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington#endif

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellingtonisc_mem_stats(isc_mem_t *ctx, FILE *out) {

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington size_t i;

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington const struct stats *s;

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington const isc_mempool_t *pool;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington REQUIRE(VALID_CONTEXT(ctx));

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington MCTXLOCK(ctx, &ctx->lock);

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington for (i = 0; i <= ctx->max_size; i++) {

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington s = &ctx->stats[i];

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington if (s->totalgets == 0U && s->gets == 0U)

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington continue;

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington fprintf(out, "%s%5lu: %11lu gets, %11lu rem",

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson (i == ctx->max_size) ? ">=" : " ",

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington (unsigned long) i, s->totalgets, s->gets);

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington if ((ctx->flags & ISC_MEMFLAG_INTERNAL) != 0 &&

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington (s->blocks != 0U || s->freefrags != 0U))

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson fprintf(out, " (%lu bl, %lu ff)",

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington s->blocks, s->freefrags);

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington fputc('\n', out);

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington }

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington /*

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington pool = ISC_LIST_HEAD(ctx->pools);

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington if (pool != NULL) {

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington fprintf(out, isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington ISC_MSG_POOLSTATS,

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington "[Pool statistics]\n"));

e27021ee1f37185ab839a7a3b6bc078c24255e62Brian Wellington fprintf(out, "%15s %10s %10s %10s %10s %10s %10s %10s %1s\n",

e27021ee1f37185ab839a7a3b6bc078c24255e62Brian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

e27021ee1f37185ab839a7a3b6bc078c24255e62Brian Wellington ISC_MSG_POOLNAME, "name"),

e27021ee1f37185ab839a7a3b6bc078c24255e62Brian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

e27021ee1f37185ab839a7a3b6bc078c24255e62Brian Wellington ISC_MSG_POOLSIZE, "size"),

e27021ee1f37185ab839a7a3b6bc078c24255e62Brian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

e27021ee1f37185ab839a7a3b6bc078c24255e62Brian Wellington ISC_MSG_POOLMAXALLOC, "maxalloc"),

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington ISC_MSG_POOLALLOCATED, "allocated"),

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington ISC_MSG_POOLFREECOUNT, "freecount"),

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington ISC_MSG_POOLFREEMAX, "freemax"),

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington ISC_MSG_POOLFILLCOUNT, "fillcount"),

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington ISC_MSG_POOLGETS, "gets"),

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington "L");

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington }

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington while (pool != NULL) {

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington fprintf(out, "%15s %10lu %10u %10u %10u %10u %10u %10u %s\n",

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington pool->name, (unsigned long) pool->size, pool->maxalloc,

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington pool->allocated, pool->freecount, pool->freemax,

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson pool->fillcount, pool->gets,

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington (pool->lock == NULL ? "N" : "Y"));

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington pool = ISC_LIST_NEXT(pool, link);

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington }

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington#if ISC_MEM_TRACKLINES

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington print_active(ctx, out);

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington#endif

6036112f4874637240d461c3ccbcb8dbfb1f405bAndreas Gustafsson

6036112f4874637240d461c3ccbcb8dbfb1f405bAndreas Gustafsson MCTXUNLOCK(ctx, &ctx->lock);

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington}

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellingtonstatic void *

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellingtonisc__mem_allocateunlocked(isc_mem_t *ctx, size_t size) {

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington size_info *si;

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington size += ALIGNMENT_SIZE;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington if ((isc_mem_debugging & ISC_MEM_DEBUGCTX) != 0)

6036112f4874637240d461c3ccbcb8dbfb1f405bAndreas Gustafsson size += ALIGNMENT_SIZE;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson

6036112f4874637240d461c3ccbcb8dbfb1f405bAndreas Gustafsson if ((ctx->flags & ISC_MEMFLAG_INTERNAL) != 0)

6036112f4874637240d461c3ccbcb8dbfb1f405bAndreas Gustafsson si = mem_getunlocked(ctx, size);

6036112f4874637240d461c3ccbcb8dbfb1f405bAndreas Gustafsson else

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington si = mem_get(ctx, size);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington if (si == NULL)

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington return (NULL);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington if ((isc_mem_debugging & ISC_MEM_DEBUGCTX) != 0) {

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington si->u.ctx = ctx;

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington si++;

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington }