033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

ab023a65562e62b85a824509d829b6fad87e00b1Rob Austein

ab023a65562e62b85a824509d829b6fad87e00b1Rob Austein#include <config.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <stdio.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <stdlib.h>

f4b4e7c16211137332e50bcad3fef0d15639a4f1Brian Wellington#include <stddef.h>

f4b4e7c16211137332e50bcad3fef0d15639a4f1Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <limits.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington#include <isc/mem.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <isc/msgs.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <isc/ondestroy.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <isc/string.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <isc/mutex.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <isc/util.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

229ce407c359b0b641759ba1fc4a5fa2054a44daBrian Wellingtonunsigned int isc_mem_debugging = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define DEF_MAX_SIZE 1100

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define DEF_MEM_TARGET 4096

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define ALIGNMENT_SIZE 8

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define NUM_BASIC_BLOCKS 64 /* must be > 1 */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define TABLE_INCREMENT 1024

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define DEBUGLIST_COUNT 1024

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington#if ISC_MEM_TRACKLINES

75e1e12f48012505699f504cfa364260cb2bc1afBrian Wellingtontypedef struct debuglink debuglink_t;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstruct debuglink {

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington ISC_LINK(debuglink_t) link;

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington const void *ptr[DEBUGLIST_COUNT];

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington const char *file[DEBUGLIST_COUNT];

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington unsigned int line[DEBUGLIST_COUNT];

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington unsigned int count;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington};

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define FLARG_PASS , file, line

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define FLARG , const char *file, int line

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#else

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington#define FLARG_PASS

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define FLARG

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#endif

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtontypedef struct element element;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstruct element {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington element * next;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington};

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtontypedef struct {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington union {

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington size_t size;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington char bytes[ALIGNMENT_SIZE];

229ce407c359b0b641759ba1fc4a5fa2054a44daBrian Wellington } u;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington} size_info;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstruct stats {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington unsigned long gets;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington unsigned long totalgets;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington unsigned long blocks;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington unsigned long freefrags;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington};

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington#define MEM_MAGIC 0x4D656d43U /* MemC. */

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington#define VALID_CONTEXT(c) ((c) != NULL && (c)->magic == MEM_MAGIC)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtonstruct isc_mem {

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington unsigned int magic;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington isc_ondestroy_t ondestroy;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mutex_t lock;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_memalloc_t memalloc;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_memfree_t memfree;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington void * arg;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington size_t max_size;

92ef1a9b9dbd48ecb507b42ac62c15afefdaf838David Lawrence size_t mem_target;

571688b02f955f6304649866e768b1f81739cbedBrian Wellington element ** freelists;

ab023a65562e62b85a824509d829b6fad87e00b1Rob Austein element * basic_blocks;

571688b02f955f6304649866e768b1f81739cbedBrian Wellington unsigned char ** basic_table;

571688b02f955f6304649866e768b1f81739cbedBrian Wellington unsigned int basic_table_count;

571688b02f955f6304649866e768b1f81739cbedBrian Wellington unsigned int basic_table_size;

571688b02f955f6304649866e768b1f81739cbedBrian Wellington unsigned char * lowest;

571688b02f955f6304649866e768b1f81739cbedBrian Wellington unsigned char * highest;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_boolean_t checkfree;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_boolean_t trysplit;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington struct stats * stats;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington unsigned int references;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington size_t quota;

ab023a65562e62b85a824509d829b6fad87e00b1Rob Austein size_t total;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington size_t inuse;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington size_t hi_water;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington size_t lo_water;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_boolean_t hi_called;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mem_water_t water;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington void * water_arg;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LIST(isc_mempool_t) pools;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#if ISC_MEM_TRACKLINES

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington ISC_LIST(debuglink_t) debuglist;

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington#endif

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington};

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington#define MEMPOOL_MAGIC 0x4D454d70U /* MEMp. */

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington#define VALID_MEMPOOL(c) ((c) != NULL && (c)->magic == MEMPOOL_MAGIC)

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellingtonstruct isc_mempool {

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington /* always unlocked */

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington unsigned int magic; /* magic number */

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington isc_mutex_t *lock; /* optional lock */

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington isc_mem_t *mctx; /* our memory context */

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington /* locked via the memory context's lock */

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington ISC_LINK(isc_mempool_t) link; /* next pool in this mem context */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /* optionally locked from here down */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington element *items; /* low water item list */

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington size_t size; /* size of each item on this pool */

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington unsigned int maxalloc; /* max number of items allowed */

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington unsigned int allocated; /* # of items currently given out */

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington unsigned int freecount; /* # of items on reserved list */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington unsigned int freemax; /* # of items allowed on free list */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington unsigned int fillcount; /* # of items to fetch on each fill */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /* Stats only. */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington unsigned int gets; /* # of requests to this pool */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /* Debugging only. */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#if ISC_MEMPOOL_NAMES

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington char name[16]; /* printed name in stats reports */

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington#endif

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington};

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#if ! ISC_MEM_TRACKLINES

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define ADD_TRACE(a, b, c, d, e)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define DELETE_TRACE(a, b, c, d, e)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#else

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington#define ADD_TRACE(a, b, c, d, e) add_trace_entry(a, b, c, d, e)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington#define DELETE_TRACE(a, b, c, d, e) delete_trace_entry(a, b, c, d, e)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington#define MEM_TRACE ((isc_mem_debugging & ISC_MEM_DEBUGTRACE) != 0)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington#define MEM_RECORD ((isc_mem_debugging & ISC_MEM_DEBUGRECORD) != 0)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtonstatic inline void

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtonadd_trace_entry(isc_mem_t *mctx, const void *ptr, unsigned int size

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington FLARG)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington{

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington debuglink_t *dl;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington unsigned int i;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington if (MEM_TRACE)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington fprintf(stderr, isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ISC_MSG_ADDTRACE,

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington "add %p size %u "

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington "file %s line %u mctx %p\n"),

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ptr, size, file, line, mctx);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington if (!MEM_RECORD)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington return;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dl = ISC_LIST_HEAD(mctx->debuglist);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington while (dl != NULL) {

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington if (dl->count == DEBUGLIST_COUNT)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington goto next;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington for (i = 0 ; i < DEBUGLIST_COUNT ; i++) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (dl->ptr[i] == NULL) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dl->ptr[i] = ptr;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dl->file[i] = file;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dl->line[i] = line;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dl->count++;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington next:

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dl = ISC_LIST_NEXT(dl, link);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

75e1e12f48012505699f504cfa364260cb2bc1afBrian Wellington dl = malloc(sizeof(debuglink_t));

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington INSIST(dl != NULL);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LINK_INIT(dl, link);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington for (i = 1 ; i < DEBUGLIST_COUNT ; i++) {

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington dl->ptr[i] = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dl->file[i] = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dl->line[i] = 0;

75e1e12f48012505699f504cfa364260cb2bc1afBrian Wellington }

75e1e12f48012505699f504cfa364260cb2bc1afBrian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington dl->ptr[0] = ptr;

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington dl->file[0] = file;

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington dl->line[0] = line;

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington dl->count = 1;

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LIST_PREPEND(mctx->debuglist, dl, link);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington}

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellingtonstatic inline void

77ac297199fc44809d9628558223627c10ae3f31Brian Wellingtondelete_trace_entry(isc_mem_t *mctx, const void *ptr, unsigned int size,

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington const char *file, unsigned int line)

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington{

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington debuglink_t *dl;

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington unsigned int i;

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington if (MEM_TRACE)

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington fprintf(stderr, isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington ISC_MSG_DELTRACE,

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington "del %p size %u "

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington "file %s line %u mctx %p\n"),

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington ptr, size, file, line, mctx);

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington if (!MEM_RECORD)

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington return;

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington dl = ISC_LIST_HEAD(mctx->debuglist);

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington while (dl != NULL) {

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington for (i = 0 ; i < DEBUGLIST_COUNT ; i++) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (dl->ptr[i] == ptr) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dl->ptr[i] = NULL;

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington dl->file[i] = NULL;

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington dl->line[i] = 0;

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington INSIST(dl->count > 0);

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington dl->count--;

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington if (dl->count == 0) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LIST_UNLINK(mctx->debuglist,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dl, link);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington free(dl);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington }

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington return;

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington dl = ISC_LIST_NEXT(dl, link);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington }

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington /*

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington INSIST(dl != NULL);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington}

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington#endif /* ISC_MEM_TRACKLINES */

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline size_t

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonrmsize(size_t size) {

d2aebe24c477c70e79dc33ea0507e8886eb7d626Brian Wellington /*

d2aebe24c477c70e79dc33ea0507e8886eb7d626Brian Wellington size -= (size % ALIGNMENT_SIZE);

d2aebe24c477c70e79dc33ea0507e8886eb7d626Brian Wellington return (size);

d2aebe24c477c70e79dc33ea0507e8886eb7d626Brian Wellington}

d2aebe24c477c70e79dc33ea0507e8886eb7d626Brian Wellington

d2aebe24c477c70e79dc33ea0507e8886eb7d626Brian Wellingtonstatic inline size_t

d2aebe24c477c70e79dc33ea0507e8886eb7d626Brian Wellingtonquantize(size_t size) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington int temp;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (size == 0)

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson return (ALIGNMENT_SIZE);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington temp = size + (ALIGNMENT_SIZE - 1);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (temp - temp % ALIGNMENT_SIZE);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonsplit(isc_mem_t *ctx, size_t size, size_t new_size) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington unsigned char *ptr;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington size_t remaining_size;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ptr = (unsigned char *)ctx->freelists[size];

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->freelists[size] = ctx->freelists[size]->next;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->stats[size].freefrags--;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ((element *)ptr)->next = ctx->freelists[new_size];

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->freelists[new_size] = (element *)ptr;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->stats[new_size].freefrags++;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington remaining_size = size - new_size;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ptr += new_size;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson ((element *)ptr)->next = ctx->freelists[remaining_size];

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson ctx->freelists[remaining_size] = (element *)ptr;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson ctx->stats[remaining_size].freefrags++;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson}

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafssonstatic inline isc_boolean_t

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafssontry_split(isc_mem_t *ctx, size_t new_size) {

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson size_t i, doubled_size;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson if (!ctx->trysplit)

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson return (ISC_FALSE);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson /*

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson doubled_size = new_size * 2;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson for (i = doubled_size;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson i < ctx->max_size;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson i += ALIGNMENT_SIZE) {

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson if (ctx->freelists[i] != NULL) {

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson split(ctx, i, new_size);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson return (ISC_TRUE);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson }

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson }

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson /*

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson for (i = new_size + ALIGNMENT_SIZE;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson i < doubled_size;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson i += ALIGNMENT_SIZE) {

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson if (ctx->freelists[i] != NULL) {

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson split(ctx, i, new_size);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson return (ISC_TRUE);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson }

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson }

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson return (ISC_FALSE);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson}

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafssonstatic inline isc_boolean_t

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafssonmore_basic_blocks(isc_mem_t *ctx) {

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson void *new;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson unsigned char *curr, *next;

daa73eae708d568d453e6082e0890d35886a9e0fMark Andrews unsigned char *first, *last;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson unsigned char **table;

daa73eae708d568d453e6082e0890d35886a9e0fMark Andrews unsigned int table_size;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson size_t increment;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson int i;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington /* Require: we hold the context lock. */

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington /*

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington increment = NUM_BASIC_BLOCKS * ctx->mem_target;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ctx->quota != 0 && ctx->total + increment > ctx->quota)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (ISC_FALSE);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(ctx->basic_table_count <= ctx->basic_table_size);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson if (ctx->basic_table_count == ctx->basic_table_size) {

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson table_size = ctx->basic_table_size + TABLE_INCREMENT;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson table = (ctx->memalloc)(ctx->arg,

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson table_size * sizeof (unsigned char *));

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson if (table == NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (ISC_FALSE);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ctx->basic_table_size != 0) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington memcpy(table, ctx->basic_table,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->basic_table_size *

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson sizeof (unsigned char *));

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson (ctx->memfree)(ctx->arg, ctx->basic_table);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->basic_table = table;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson ctx->basic_table_size = table_size;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson }

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson new = (ctx->memalloc)(ctx->arg, NUM_BASIC_BLOCKS * ctx->mem_target);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson if (new == NULL)

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews return (ISC_FALSE);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson ctx->total += increment;

229ce407c359b0b641759ba1fc4a5fa2054a44daBrian Wellington ctx->basic_table[ctx->basic_table_count] = new;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson ctx->basic_table_count++;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson curr = new;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson next = curr + ctx->mem_target;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson for (i = 0; i < (NUM_BASIC_BLOCKS - 1); i++) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ((element *)curr)->next = (element *)next;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington curr = next;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington next += ctx->mem_target;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson ((element *)curr)->next = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington first = new;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson last = first + NUM_BASIC_BLOCKS * ctx->mem_target - 1;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson if (first < ctx->lowest || ctx->lowest == NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->lowest = first;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (last > ctx->highest)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->highest = last;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->basic_blocks = new;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (ISC_TRUE);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson}

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtonstatic inline isc_boolean_t

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtonmore_frags(isc_mem_t *ctx, size_t new_size) {

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington int i, frags;

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington size_t total_size;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington void *new;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington unsigned char *curr, *next;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington /*

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington if (ctx->basic_blocks == NULL) {

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington if (!more_basic_blocks(ctx)) {

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington /*

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington /*

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington /*

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington return (try_split(ctx, new_size));

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington }

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington }

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington total_size = ctx->mem_target;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington new = ctx->basic_blocks;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ctx->basic_blocks = ctx->basic_blocks->next;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington frags = total_size / new_size;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ctx->stats[new_size].blocks++;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ctx->stats[new_size].freefrags += frags;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington /*

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington curr = new;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington next = curr + new_size;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington total_size -= new_size;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington for (i = 0; i < (frags - 1); i++) {

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ((element *)curr)->next = (element *)next;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington curr = next;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington next += new_size;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington total_size -= new_size;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington }

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington /*

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington total_size = rmsize(total_size);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington if (total_size > 0) {

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson ((element *)next)->next = ctx->freelists[total_size];

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson ctx->freelists[total_size] = (element *)next;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson ctx->stats[total_size].freefrags++;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson }

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson /*

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson ((element *)curr)->next = NULL;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson ctx->freelists[new_size] = new;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson return (ISC_TRUE);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson}

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafssonstatic inline void *

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtonmem_getunlocked(isc_mem_t *ctx, size_t size) {

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson size_t new_size = quantize(size);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson void *ret;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson if (size >= ctx->max_size || new_size >= ctx->max_size) {

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson /*

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson if (ctx->quota != 0 && ctx->total + size > ctx->quota) {

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson ret = NULL;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson goto done;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson }

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ret = (ctx->memalloc)(ctx->arg, size);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington if (ret != NULL) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->total += size;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->inuse += size;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->stats[ctx->max_size].gets++;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->stats[ctx->max_size].totalgets++;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington new_size = size;

f3ca27e9fe307b55e35ea8d7b37351650630e5a3Andreas Gustafsson }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington goto done;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ctx->freelists[new_size] == NULL && !more_frags(ctx, new_size))

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ret = ctx->freelists[new_size];

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->freelists[new_size] = ctx->freelists[new_size]->next;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->stats[size].gets++;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->stats[size].totalgets++;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->stats[new_size].freefrags--;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->inuse += new_size;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington done:

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#if ISC_MEM_FILL

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ret != NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington memset(ret, 0xbe, new_size); /* Mnemonic for "beef". */

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington#endif

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington

75e1e12f48012505699f504cfa364260cb2bc1afBrian Wellington return (ret);

75e1e12f48012505699f504cfa364260cb2bc1afBrian Wellington}

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington#if ISC_MEM_FILL && ISC_MEM_CHECKOVERRUN

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtoncheck_overrun(void *mem, size_t size, size_t new_size) {

5e387b9ce6bafdfadedb5b34e4c33a4404e5d589Brian Wellington unsigned char *cp;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington cp = (unsigned char *)mem;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington cp += size;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington while (size < new_size) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(*cp == 0xbe);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington cp++;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington size++;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#endif

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonmem_putunlocked(isc_mem_t *ctx, void *mem, size_t size) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington size_t new_size = quantize(size);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (size == ctx->max_size || new_size >= ctx->max_size) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#if ISC_MEM_FILL

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington memset(mem, 0xde, size); /* Mnemonic for "dead". */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#endif

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington (ctx->memfree)(ctx->arg, mem);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(ctx->stats[ctx->max_size].gets != 0);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->stats[ctx->max_size].gets--;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(size <= ctx->total);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->inuse -= size;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->total -= size;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#if ISC_MEM_FILL

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#if ISC_MEM_CHECKOVERRUN

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington check_overrun(mem, size, new_size);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#endif

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington memset(mem, 0xde, new_size); /* Mnemonic for "dead". */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#endif

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ((element *)mem)->next = ctx->freelists[new_size];

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->freelists[new_size] = (element *)mem;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(ctx->stats[size].gets != 0);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->stats[size].gets--;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->stats[new_size].freefrags++;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->inuse -= new_size;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic void *

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtondefault_memalloc(void *arg, size_t size) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNUSED(arg);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (malloc(size));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtondefault_memfree(void *arg, void *ptr) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNUSED(arg);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington free(ptr);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

c0d2891f6e08fcf5379dfb9a1bf8fbbb63f1952aMark Andrews

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc_mem_createx(size_t init_max_size, size_t target_size,

c0d2891f6e08fcf5379dfb9a1bf8fbbb63f1952aMark Andrews isc_memalloc_t memalloc, isc_memfree_t memfree, void *arg,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mem_t **ctxp)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mem_t *ctx;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(ctxp != NULL && *ctxp == NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(memalloc != NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(memfree != NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx = (memalloc)(arg, sizeof *ctx);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ctx == NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (ISC_R_NOMEMORY);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (init_max_size == 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->max_size = DEF_MAX_SIZE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington else

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->max_size = init_max_size;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (target_size == 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->mem_target = DEF_MEM_TARGET;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington else

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->mem_target = target_size;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->memalloc = memalloc;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->memfree = memfree;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->arg = arg;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->freelists = (memalloc)(arg, ctx->max_size * sizeof (element *));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ctx->freelists == NULL) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington (memfree)(arg, ctx);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (ISC_R_NOMEMORY);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington }

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ctx->checkfree = ISC_TRUE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->trysplit = ISC_FALSE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington memset(ctx->freelists, 0,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->max_size * sizeof (element *));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->stats = (memalloc)(arg,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington (ctx->max_size+1) * sizeof (struct stats));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ctx->stats == NULL) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington (memfree)(arg, ctx->freelists);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington (memfree)(arg, ctx);

229ce407c359b0b641759ba1fc4a5fa2054a44daBrian Wellington return (ISC_R_NOMEMORY);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington memset(ctx->stats, 0, (ctx->max_size + 1) * sizeof (struct stats));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->basic_blocks = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->basic_table = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->basic_table_count = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->basic_table_size = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->lowest = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->highest = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (isc_mutex_init(&ctx->lock) != ISC_R_SUCCESS) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington (memfree)(arg, ctx->stats);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington (memfree)(arg, ctx->freelists);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington (memfree)(arg, ctx);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNEXPECTED_ERROR(__FILE__, __LINE__,

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington "isc_mutex_init() %s",

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ISC_MSG_FAILED, "failed"));

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington return (ISC_R_UNEXPECTED);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->references = 1;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->quota = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->total = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->inuse = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->hi_water = 0;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ctx->lo_water = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->hi_called = ISC_FALSE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->water = NULL;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ctx->water_arg = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->magic = MEM_MAGIC;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_ondestroy_init(&ctx->ondestroy);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LIST_INIT(ctx->pools);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#if ISC_MEM_TRACKLINES

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LIST_INIT(ctx->debuglist);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#endif

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington *ctxp = ctx;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington return (ISC_R_SUCCESS);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington}

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

5e387b9ce6bafdfadedb5b34e4c33a4404e5d589Brian Wellingtonisc_mem_create(size_t init_max_size, size_t target_size,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mem_t **ctxp)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington{

daa73eae708d568d453e6082e0890d35886a9e0fMark Andrews return (isc_mem_createx(init_max_size, target_size,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington default_memalloc, default_memfree, NULL,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctxp));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtondestroy(isc_mem_t *ctx) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington unsigned int i;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_ondestroy_t ondest;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->magic = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(ISC_LIST_EMPTY(ctx->pools));

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington#if ISC_MEM_TRACKLINES

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ctx->checkfree)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(ISC_LIST_EMPTY(ctx->debuglist));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington else {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington debuglink_t *dl;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington for (dl = ISC_LIST_HEAD(ctx->debuglist);

7a6f285bc933d08353d2f18290c85def575b6e57Andreas Gustafsson dl != NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dl = ISC_LIST_HEAD(ctx->debuglist)) {

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington ISC_LIST_UNLINK(ctx->debuglist, dl, link);

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington free(dl);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington }

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington#endif

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington INSIST(ctx->references == 0);

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington if (ctx->checkfree) {

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington for (i = 0; i <= ctx->max_size; i++)

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington INSIST(ctx->stats[i].gets == 0);

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington }

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington#if 0 /* XXX brister debugging */

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington for (i = 0; i < ctx->basic_table_count; i++)

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington memset(ctx->basic_table[i], 0x0,

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington NUM_BASIC_BLOCKS * ctx->mem_target);

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington#endif

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington for (i = 0; i < ctx->basic_table_count; i++)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington (ctx->memfree)(ctx->arg, ctx->basic_table[i]);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington (ctx->memfree)(ctx->arg, ctx->freelists);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington (ctx->memfree)(ctx->arg, ctx->stats);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington (ctx->memfree)(ctx->arg, ctx->basic_table);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ondest = ctx->ondestroy;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington DESTROYLOCK(&ctx->lock);

75e1e12f48012505699f504cfa364260cb2bc1afBrian Wellington (ctx->memfree)(ctx->arg, ctx);

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington

6e93e6ea4557291e847aced6a88adcdf39f06843Andreas Gustafsson isc_ondestroy_notify(&ondest, ctx);

6e93e6ea4557291e847aced6a88adcdf39f06843Andreas Gustafsson}

6e93e6ea4557291e847aced6a88adcdf39f06843Andreas Gustafsson

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc_mem_attach(isc_mem_t *source, isc_mem_t **targetp) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(VALID_CONTEXT(source));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(targetp != NULL && *targetp == NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

75e1e12f48012505699f504cfa364260cb2bc1afBrian Wellington LOCK(&source->lock);

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington source->references++;

75e1e12f48012505699f504cfa364260cb2bc1afBrian Wellington UNLOCK(&source->lock);

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington *targetp = source;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc_mem_detach(isc_mem_t **ctxp) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mem_t *ctx;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_boolean_t want_destroy = ISC_FALSE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(ctxp != NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx = *ctxp;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(VALID_CONTEXT(ctx));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(ctx->references > 0);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->references--;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ctx->references == 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington want_destroy = ISC_TRUE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (want_destroy)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington destroy(ctx);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington *ctxp = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc__mem_putanddetach(isc_mem_t **ctxp, void *ptr, size_t size FLARG) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mem_t *ctx;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_boolean_t want_destroy = ISC_FALSE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(ctxp != NULL);

fefe1106d96d3a89b21315f665b36a67cdea3840Mark Andrews ctx = *ctxp;

fefe1106d96d3a89b21315f665b36a67cdea3840Mark Andrews REQUIRE(VALID_CONTEXT(ctx));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(ptr != NULL);

fefe1106d96d3a89b21315f665b36a67cdea3840Mark Andrews

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington *ctxp = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington DELETE_TRACE(ctx, ptr, size, file, line);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington mem_putunlocked(ctx, ptr, size);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(ctx->references > 0);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->references--;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ctx->references == 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington want_destroy = ISC_TRUE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (want_destroy)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington destroy(ctx);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc_mem_destroy(isc_mem_t **ctxp) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mem_t *ctx;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_boolean_t want_destroy = ISC_FALSE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(ctxp != NULL);

c302b021cc65cc9a358a9a1cbe48de12364f4cb6Brian Wellington ctx = *ctxp;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(VALID_CONTEXT(ctx));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(ctx->references == 1);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->references--;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ctx->references == 0)

0a45f098e446a7f41c2a71d9dd0fd8f459b49c34Brian Wellington want_destroy = ISC_TRUE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&ctx->lock);

0a45f098e446a7f41c2a71d9dd0fd8f459b49c34Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (want_destroy)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington destroy(ctx);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington *ctxp = NULL;

c302b021cc65cc9a358a9a1cbe48de12364f4cb6Brian Wellington}

c302b021cc65cc9a358a9a1cbe48de12364f4cb6Brian Wellington

c302b021cc65cc9a358a9a1cbe48de12364f4cb6Brian Wellingtonisc_mem_ondestroy(isc_mem_t *ctx, isc_task_t *task, isc_event_t **event) {

c302b021cc65cc9a358a9a1cbe48de12364f4cb6Brian Wellington isc_result_t res;

c302b021cc65cc9a358a9a1cbe48de12364f4cb6Brian Wellington

c302b021cc65cc9a358a9a1cbe48de12364f4cb6Brian Wellington LOCK(&ctx->lock);

c302b021cc65cc9a358a9a1cbe48de12364f4cb6Brian Wellington res = isc_ondestroy_register(&ctx->ondestroy, task, event);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (res);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc_mem_restore(isc_mem_t *ctx) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_result_t result;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington result = isc_mutex_init(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (result != ISC_R_SUCCESS)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->magic = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (result);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonvoid *

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc__mem_get(isc_mem_t *ctx, size_t size FLARG) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington void *ptr;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_boolean_t call_water = ISC_FALSE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(VALID_CONTEXT(ctx));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ptr = mem_getunlocked(ctx, size);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ADD_TRACE(ctx, ptr, size, file, line);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ctx->hi_water != 0 && !ctx->hi_called &&

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->inuse > ctx->hi_water) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->hi_called = ISC_TRUE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington call_water = ISC_TRUE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /* XXX remove */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ctx->hi_water)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington fprintf(stderr,"inuse %u, total %u\n", ctx->inuse, ctx->total);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (call_water) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /* XXX remove */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington fprintf(stderr, "%s water(%p, ISC_MEM_HIWATER)\n",

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_MSG_CALLING, "calling"),

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->water_arg);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington (ctx->water)(ctx->water_arg, ISC_MEM_HIWATER);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (ptr);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc__mem_put(isc_mem_t *ctx, void *ptr, size_t size FLARG)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_boolean_t call_water = ISC_FALSE;

b7cd261f2fca2c7138cdc6ae8ee434e9c0031303Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(VALID_CONTEXT(ctx));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(ptr != NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington DELETE_TRACE(ctx, ptr, size, file, line);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington mem_putunlocked(ctx, ptr, size);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ctx->hi_called && ctx->inuse < ctx->lo_water) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->hi_called = ISC_FALSE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington call_water = ISC_TRUE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /* XXX remove */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ctx->hi_water)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington fprintf(stderr,"inuse %u, total %u\n", ctx->inuse, ctx->total);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (call_water) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /* XXX remove */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington fprintf(stderr, "%s water(%p,ISC_MEM_LOWATER)\n",

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_MSG_CALLING, "calling"),

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->water_arg);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington (ctx->water)(ctx->water_arg, ISC_MEM_LOWATER);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc_mem_preallocate(isc_mem_t *ctx) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington size_t i;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_result_t result = ISC_R_SUCCESS;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington void *ptr;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(VALID_CONTEXT(ctx));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington for (i = 0; i < ctx->max_size; i += ALIGNMENT_SIZE) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ptr = mem_getunlocked(ctx, i);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ptr == NULL) {

7a6f285bc933d08353d2f18290c85def575b6e57Andreas Gustafsson result = ISC_R_NOMEMORY;

7a6f285bc933d08353d2f18290c85def575b6e57Andreas Gustafsson break;

7a6f285bc933d08353d2f18290c85def575b6e57Andreas Gustafsson }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington mem_putunlocked(ctx, ptr, i);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (result);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc_mem_stats(isc_mem_t *ctx, FILE *out) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington size_t i;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington const struct stats *s;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington const isc_mempool_t *pool;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(VALID_CONTEXT(ctx));

7a6f285bc933d08353d2f18290c85def575b6e57Andreas Gustafsson LOCK(&ctx->lock);

7a6f285bc933d08353d2f18290c85def575b6e57Andreas Gustafsson

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ctx->freelists != NULL) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington for (i = 0; i <= ctx->max_size; i++) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington s = &ctx->stats[i];

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (s->totalgets == 0 && s->gets == 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington continue;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington fprintf(out, "%s%5lu: %11lu gets, %11lu rem",

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington (i == ctx->max_size) ? ">=" : " ",

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington (unsigned long) i, s->totalgets, s->gets);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (s->blocks != 0 || s->freefrags != 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington fprintf(out, " (%lu bl, %lu ff)",

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington s->blocks, s->freefrags);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington fputc('\n', out);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington pool = ISC_LIST_HEAD(ctx->pools);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (pool != NULL) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington fprintf(out, isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_MSG_POOLSTATS,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington "[Pool statistics]\n"));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington fprintf(out, "%15s %10s %10s %10s %10s %10s %10s %10s %1s\n",

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_MSG_POOLNAME, "name"),

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_MSG_POOLSIZE, "size"),

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_MSG_POOLMAXALLOC, "maxalloc"),

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ISC_MSG_POOLALLOCATED, "allocated"),

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington ISC_MSG_POOLFREECOUNT, "freecount"),

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ISC_MSG_POOLFREEMAX, "freemax"),

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ISC_MSG_POOLFILLCOUNT, "fillcount"),

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ISC_MSG_POOLGETS, "gets"),

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington "L");

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington }

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington while (pool != NULL) {

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington fprintf(out, "%15s %10lu %10u %10u %10u %10u %10u %10u %s\n",

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington pool->name, (unsigned long) pool->size, pool->maxalloc,

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington pool->allocated, pool->freecount, pool->freemax,

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington pool->fillcount, pool->gets,

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington (pool->lock == NULL ? "N" : "Y"));

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington pool = ISC_LIST_NEXT(pool, link);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington }

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington#if ISC_MEM_TRACKLINES

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington if (isc_mem_debugging > 1) {

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington debuglink_t *dl;

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington unsigned int i;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington fprintf(out, isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ISC_MSG_DUMPALLOC,

daa73eae708d568d453e6082e0890d35886a9e0fMark Andrews "DUMP OF ALL OUTSTANDING "

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington "MEMORY ALLOCATIONS\n"));

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dl = ISC_LIST_HEAD(ctx->debuglist);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington if (dl == NULL)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington fprintf(out, isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM,

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ISC_MSG_NONE,

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington "\tNone.\n"));

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington while (dl != NULL) {

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington for (i = 0 ; i < DEBUGLIST_COUNT ; i++)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington if (dl->ptr[i] != NULL)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington fprintf(out,

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington isc_msgcat_get(isc_msgcat,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_MSGSET_MEM,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_MSG_PTRFILELINE,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington "\tptr %p "

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington "file %s "

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington "line %u\n"),

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dl->ptr[i], dl->file[i],

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dl->line[i]);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dl = ISC_LIST_NEXT(dl, link);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#endif

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc_mem_valid(isc_mem_t *ctx, void *ptr) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington unsigned char *cp = ptr;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_boolean_t result = ISC_FALSE;

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(VALID_CONTEXT(ctx));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ctx->lowest != NULL && cp >= ctx->lowest && cp <= ctx->highest)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington result = ISC_TRUE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (result);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic void *

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc__mem_allocateunlocked(isc_mem_t *ctx, size_t size) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington size_info *si;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington size += ALIGNMENT_SIZE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington si = mem_getunlocked(ctx, size);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (si == NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington si->u.size = size;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (&si[1]);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonvoid *

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc__mem_allocate(isc_mem_t *ctx, size_t size FLARG) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington size_info *si;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(VALID_CONTEXT(ctx));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington si = isc__mem_allocateunlocked(ctx, size);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#if ISC_MEM_TRACKLINES

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (si != NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ADD_TRACE(ctx, si, si[-1].u.size, file, line);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#endif

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (si);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc__mem_free(isc_mem_t *ctx, void *ptr FLARG) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington size_info *si;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(VALID_CONTEXT(ctx));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(ptr != NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington si = &(((size_info *)ptr)[-1]);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington DELETE_TRACE(ctx, ptr, si->u.size, file, line);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington mem_putunlocked(ctx, si, si->u.size);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

f8abaa0fae7f75d9601c10b6a4af8dd907494d45Mark Andrews

b55c30f2de6e1baaa3a9ba69b92f428f2c255ac3Mark Andrewschar *

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc__mem_strdup(isc_mem_t *mctx, const char *s FLARG) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington size_t len;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington char *ns;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(VALID_CONTEXT(mctx));

f8abaa0fae7f75d9601c10b6a4af8dd907494d45Mark Andrews REQUIRE(s != NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington len = strlen(s);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ns = isc__mem_allocate(mctx, len + 1 FLARG_PASS);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (ns != NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington strncpy(ns, s, len + 1);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (ns);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc_mem_setdestroycheck(isc_mem_t *ctx, isc_boolean_t flag) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(VALID_CONTEXT(ctx));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->checkfree = flag;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc_mem_setsplit(isc_mem_t *ctx, isc_boolean_t flag) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(VALID_CONTEXT(ctx));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->trysplit = flag;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc_mem_setquota(isc_mem_t *ctx, size_t quota) {

4a30ede93d59137009db734661cde17612e8ffbeMark Andrews REQUIRE(VALID_CONTEXT(ctx));

4a30ede93d59137009db734661cde17612e8ffbeMark Andrews LOCK(&ctx->lock);

4a30ede93d59137009db734661cde17612e8ffbeMark Andrews

4a30ede93d59137009db734661cde17612e8ffbeMark Andrews ctx->quota = quota;

4a30ede93d59137009db734661cde17612e8ffbeMark Andrews

4a30ede93d59137009db734661cde17612e8ffbeMark Andrews UNLOCK(&ctx->lock);

a03848252fa85734ca75beae3d0b01bb503c0a8bMark Andrews}

a03848252fa85734ca75beae3d0b01bb503c0a8bMark Andrews

a03848252fa85734ca75beae3d0b01bb503c0a8bMark Andrewsisc_mem_getquota(isc_mem_t *ctx) {

a03848252fa85734ca75beae3d0b01bb503c0a8bMark Andrews size_t quota;

a03848252fa85734ca75beae3d0b01bb503c0a8bMark Andrews

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(VALID_CONTEXT(ctx));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington quota = ctx->quota;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (quota);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc_mem_inuse(isc_mem_t *ctx) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington size_t inuse;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(VALID_CONTEXT(ctx));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington inuse = ctx->inuse;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (inuse);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonisc_mem_setwater(isc_mem_t *ctx, isc_mem_water_t water, void *water_arg,

4a30ede93d59137009db734661cde17612e8ffbeMark Andrews size_t hiwater, size_t lowater)

a03848252fa85734ca75beae3d0b01bb503c0a8bMark Andrews{

d0eb2cc33c5db3366a16b1cb0abcca6ec7c8ee3cTatuya JINMEI 神明達哉 REQUIRE(VALID_CONTEXT(ctx));

d0eb2cc33c5db3366a16b1cb0abcca6ec7c8ee3cTatuya JINMEI 神明達哉

d0eb2cc33c5db3366a16b1cb0abcca6ec7c8ee3cTatuya JINMEI 神明達哉 if (water != NULL) {

d0eb2cc33c5db3366a16b1cb0abcca6ec7c8ee3cTatuya JINMEI 神明達哉 REQUIRE(hiwater > lowater);

d0eb2cc33c5db3366a16b1cb0abcca6ec7c8ee3cTatuya JINMEI 神明達哉 REQUIRE(hiwater > 0);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington REQUIRE(lowater > 0);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

6fd4ab217ef8e37703b029eac5ab7ae4f7a663c9Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (water == NULL) {

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington ctx->water = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->water_arg = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->hi_water = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->lo_water = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->hi_called = ISC_FALSE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington } else {

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington ctx->water = water;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->water_arg = water_arg;

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington ctx->hi_water = hiwater;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ctx->lo_water = lowater;

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington ctx->hi_called = ISC_FALSE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&ctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#if 0

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonmempool_release(isc_mempool_t *mpctx, unsigned int n) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mem_t *mctx;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington element *item;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington element *next;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington unsigned int count;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington mctx = mpctx->mctx;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

f24c135e09214c3843a49fd32ebef2f6a436ba8eBrian Wellington if (mpctx->freecount <= n)

f24c135e09214c3843a49fd32ebef2f6a436ba8eBrian Wellington return;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(mpctx->items != NULL);

f24c135e09214c3843a49fd32ebef2f6a436ba8eBrian Wellington item = mpctx->items;

f24c135e09214c3843a49fd32ebef2f6a436ba8eBrian Wellington for (count = 0 ; count < n ; count++) {

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington item = item->next;

f24c135e09214c3843a49fd32ebef2f6a436ba8eBrian Wellington INSIST(item != NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

f24c135e09214c3843a49fd32ebef2f6a436ba8eBrian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&mctx->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington do {

f24c135e09214c3843a49fd32ebef2f6a436ba8eBrian Wellington next = item->next;

f24c135e09214c3843a49fd32ebef2f6a436ba8eBrian Wellington mem_putunlocked(mctx, item, mpctx->size);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(mpctx->freecount > 0);

f24c135e09214c3843a49fd32ebef2f6a436ba8eBrian Wellington mpctx->freecount--;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington item = next;

75e1e12f48012505699f504cfa364260cb2bc1afBrian Wellington } while (item != NULL);

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington UNLOCK(&mctx->lock);

34f991028382079af7c2b53bac6768803ff28f8cBrian Wellington}

75e1e12f48012505699f504cfa364260cb2bc1afBrian Wellington#endif

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonmempool_releaseall(isc_mempool_t *mpctx) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mem_t *mctx;