int
art_tree_map_init(struct datastore *ds, struct ds_context *ctx)
{
int errors = 0;
char *error_string;
/* calculate a required pool size */
if (ctx->psize < PMEMOBJ_MIN_POOL)
ctx->psize = PMEMOBJ_MIN_POOL;
if (!ctx->fileio) {
if (access(ctx->filename, F_OK) != 0) {
error_string = "pmemobj_create";
ctx->pop = pmemobj_create(ctx->filename,
POBJ_LAYOUT_NAME(arttree_tx),
ctx->psize, ctx->fmode);
ctx->newpool = 1;
} else {
error_string = "pmemobj_open";
ctx->pop = pmemobj_open(ctx->filename,
POBJ_LAYOUT_NAME(arttree_tx));
}
if (ctx->pop == NULL) {
perror(error_string);
errors++;
}
} else {
int flags = O_CREAT | O_RDWR | O_SYNC;
/* Create a file if it does not exist. */
if ((ctx->fd = open(ctx->filename, flags, ctx->fmode)) < 0) {
perror(ctx->filename);
errors++;
}
/* allocate the pmem */
if ((errno = posix_fallocate(ctx->fd, 0, ctx->psize)) != 0) {
perror("posix_fallocate");
errors++;
}
}
if (!errors) {
pmemobj_ds_set_priv(ds, ctx);
} else {
if (ctx->fileio) {
if (ctx->fd >= 0) {
close(ctx->fd);
}
} else {
if (ctx->pop) {
pmemobj_close(ctx->pop);
}
}
}
return errors;
}
/*
* pmemlog_create -- pool create wrapper
*/
PMEMlogpool *
pmemlog_create(const char *path, size_t poolsize, mode_t mode)
{
return (PMEMlogpool *)pmemobj_create(path,
POBJ_LAYOUT_NAME(obj_pmemlog_minimal),
poolsize, mode);
}
int
main(int argc, char *argv[])
{
if (argc < 3 || argc > 4) {
printf("usage: %s hashmap_tx|hashmap_atomic|ctree|btree|rbtree"
" file-name [<seed>]\n", argv[0]);
return 1;
}
const struct map_ops *ops = NULL;
const char *path = argv[2];
const char *type = argv[1];
if (strcmp(type, "hashmap_tx") == 0) {
ops = MAP_HASHMAP_TX;
} else if (strcmp(type, "hashmap_atomic") == 0) {
ops = MAP_HASHMAP_ATOMIC;
} else if (strcmp(type, "ctree") == 0) {
ops = MAP_CTREE;
} else if (strcmp(type, "btree") == 0) {
ops = MAP_BTREE;
} else if (strcmp(type, "rbtree") == 0) {
ops = MAP_RBTREE;
} else {
fprintf(stderr, "invalid hasmap type -- '%s'\n", type);
return 1;
}
if (access(path, F_OK) != 0) {
pop = pmemobj_create(path, POBJ_LAYOUT_NAME(map),
PM_HASHSET_POOL_SIZE, S_IRUSR | S_IWUSR);
if (pop == NULL) {
fprintf(stderr, "failed to create pool: %s\n",
pmemobj_errormsg());
return 1;
}
struct hashmap_args args;
if (argc > 3)
args.seed = atoi(argv[3]);
else
args.seed = time(NULL);
srand(args.seed);
mapc = map_ctx_init(ops, pop);
if (!mapc) {
pmemobj_close(pop);
perror("map_ctx_init");
return 1;
}
root = POBJ_ROOT(pop, struct root);
printf("seed: %u\n", args.seed);
map_new(mapc, &D_RW(root)->map, &args);
map = D_RO(root)->map;
} else {
int
main(int argc, char *argv[])
{
START(argc, argv, "heap_interrupt");
UT_COMPILE_ERROR_ON(POBJ_LAYOUT_TYPES_NUM(heap_interrupt) != 0);
if (argc != 4)
UT_FATAL("usage: %s file [cmd: c/o] [scenario]", argv[0]);
const char *path = argv[1];
PMEMobjpool *pop = NULL;
int exists = argv[2][0] == 'o';
int scenario = atoi(argv[3]);
if (!exists) {
if ((pop = pmemobj_create(path,
POBJ_LAYOUT_NAME(heap_interrupt),
0, S_IWUSR | S_IRUSR)) == NULL) {
UT_FATAL("failed to create pool\n");
}
scenarios[scenario].create(pop);
/* if we get here, something is wrong with function mocking */
UT_ASSERT(0);
} else {
if ((pop = pmemobj_open(path,
POBJ_LAYOUT_NAME(heap_interrupt)))
== NULL) {
UT_FATAL("failed to open pool\n");
}
scenarios[scenario].verify(pop);
}
pmemobj_close(pop);
DONE(NULL);
}
/*
* pmemlog_open -- pool open wrapper
*/
PMEMlogpool *
pmemlog_open(const char *path)
{
return (PMEMlogpool *)pmemobj_open(path,
POBJ_LAYOUT_NAME(obj_pmemlog_minimal));
}
int
main(int argc, char *argv[])
{
unsigned int res = 0;
PMEMobjpool *pop;
const char *path;
START(argc, argv, "ex_linkedlist");
if (argc != 2) {
UT_FATAL("usage: %s file-name", argv[0]);
}
path = argv[1];
if (access(path, F_OK) != 0) {
if ((pop = pmemobj_create(path, POBJ_LAYOUT_NAME(list),
PMEMOBJ_MIN_POOL, 0666)) == NULL) {
UT_FATAL("!pmemobj_create: %s", path);
}
} else {
if ((pop = pmemobj_open(path,
POBJ_LAYOUT_NAME(list))) == NULL) {
UT_FATAL("!pmemobj_open: %s", path);
}
}
TOID(struct base) base = POBJ_ROOT(pop, struct base);
TOID(struct tqueuehead) tqhead = D_RO(base)->tqueue;
TOID(struct slisthead) slhead = D_RO(base)->slist;
TX_BEGIN(pop) {
tqhead = TX_NEW(struct tqueuehead);
slhead = TX_NEW(struct slisthead);
} TX_ONABORT {
abort();
} TX_END
init_tqueue(pop, tqhead);
init_slist(pop, slhead);
int i = 0;
TOID(struct tqnode) tqelement;
POBJ_TAILQ_FOREACH(tqelement, tqhead, tnd) {
if (D_RO(tqelement)->data != expectedResTQ[i]) {
res = 1;
break;
}
i++;
}
PRINT_RES(res, tail queue);
i = 0;
res = 0;
TOID(struct snode) slelement;
POBJ_SLIST_FOREACH(slelement, slhead, snd) {
if (D_RO(slelement)->data != expectedResSL[i]) {
res = 1;
break;
}
i++;
}
PRINT_RES(res, singly linked list);
pmemobj_close(pop);
DONE(NULL);
}
int
main(int argc, char *argv[])
{
START(argc, argv, "obj_constructor");
if (argc != 2)
UT_FATAL("usage: %s file-name", argv[0]);
const char *path = argv[1];
PMEMobjpool *pop = NULL;
int ret;
TOID(struct root) root;
TOID(struct node) node;
if ((pop = pmemobj_create(path, POBJ_LAYOUT_NAME(constr),
0, S_IWUSR | S_IRUSR)) == NULL)
UT_FATAL("!pmemobj_create: %s", path);
/*
* Allocate memory until OOM, so we can check later if the alloc
* cancellation didn't damage the heap in any way.
*/
int allocs = 0;
while (pmemobj_alloc(pop, NULL, sizeof (struct node), 1,
NULL, NULL) == 0)
allocs++;
UT_ASSERTne(allocs, 0);
PMEMoid oid;
PMEMoid next;
POBJ_FOREACH_SAFE(pop, oid, next)
pmemobj_free(&oid);
errno = 0;
root.oid = pmemobj_root_construct(pop, sizeof (struct root),
root_constr_cancel, NULL);
UT_ASSERT(TOID_IS_NULL(root));
UT_ASSERTeq(errno, ECANCELED);
errno = 0;
ret = pmemobj_alloc(pop, NULL, sizeof (struct node), 1,
node_constr_cancel, NULL);
UT_ASSERTeq(ret, -1);
UT_ASSERTeq(errno, ECANCELED);
/* the same number of allocations should be possible. */
while (pmemobj_alloc(pop, NULL, sizeof (struct node), 1,
NULL, NULL) == 0)
allocs--;
UT_ASSERTeq(allocs, 0);
POBJ_FOREACH_SAFE(pop, oid, next)
pmemobj_free(&oid);
root.oid = pmemobj_root_construct(pop, sizeof (struct root),
NULL, NULL);
UT_ASSERT(!TOID_IS_NULL(root));
errno = 0;
node.oid = pmemobj_list_insert_new(pop, offsetof(struct node, next),
&D_RW(root)->list, OID_NULL, 0, sizeof (struct node),
1, node_constr_cancel, NULL);
UT_ASSERT(TOID_IS_NULL(node));
UT_ASSERTeq(errno, ECANCELED);
pmemobj_close(pop);
DONE(NULL);
}