#include "mem.h"
#include "hashtable.h"
-#define GET_PTR(x) ((void *)((x) & MASK(48))) // low-order 48 bits is a pointer to a nstring_t
+#define GET_PTR(x) ((void *)(size_t)((x) & MASK(48))) // low-order 48 bits is a pointer to a nstring_t
typedef struct entry {
uint64_t key;
// The key in <ent> is made up of two parts. The 48 low-order bits are a pointer. The
// high-order 16 bits are taken from the hash. The bits from the hash are used as a
// quick check to rule out non-equal keys without doing a complete compare.
- if ((key_hash >> 16) == (ent_key >> 48) && hti->ht->key_type->cmp(GET_PTR(ent_key), key) == 0) {
- TRACE("h1", "hti_lookup: found entry %p with key %p", ent, GET_PTR(ent_key));
- return ent;
+ if ((key_hash >> 16) == (ent_key >> 48)) {
+ if (hti->ht->key_type->cmp(GET_PTR(ent_key), (void *)(size_t)key) == 0) {
+ TRACE("h1", "hti_lookup: found entry %p with key %p", ent, GET_PTR(ent_key));
+ return ent;
+ }
}
}
}
// Install the key in the new table.
uint64_t ht1_ent_key = ht1_ent->key;
- map_key_t key = (ht1->ht->key_type == NULL) ? (void *)ht1_ent_key : GET_PTR(ht1_ent_key);
+ map_key_t key = (ht1->ht->key_type == NULL) ? (map_key_t)ht1_ent_key : (map_key_t)(size_t)GET_PTR(ht1_ent_key);
// The old table's dead entries don't need to be copied to the new table, but their keys need to be freed.
assert(COPIED_VALUE == TAG_VALUE(TOMBSTONE, TAG1));
if (ht1_ent_val == TOMBSTONE) {
TRACE("h1", "hti_copy_entry: entry %p old value was deleted, now freeing key %p", ht1_ent, key);
if (EXPECT_FALSE(ht1->ht->key_type != NULL)) {
- nbd_defer_free(key);
+ nbd_defer_free((void *)(size_t)key);
}
return TRUE;
}
// We use 0 to indicate that <key_hash> is uninitiallized. Occasionally the key's hash will really be 0 and we
// waste time recomputing it every time. It is rare enough (1 in 65k) that it won't hurt performance.
if (key_hash == 0) {
- key_hash = (ht1->ht->key_type == NULL) ? murmur32_8b(ht1_ent_key) : ht1->ht->key_type->hash(key);
+ key_hash = (ht1->ht->key_type == NULL)
+ ? murmur32_8b(ht1_ent_key)
+ : ht1->ht->key_type->hash((void *)(size_t)key);
}
int ht2_ent_is_empty;
return DOES_NOT_EXIST;
// Allocate <new_key>.
- uint64_t new_key = (uint64_t)((hti->ht->key_type == NULL) ? key : hti->ht->key_type->clone(key));
+ uint64_t new_key = (uint64_t)((hti->ht->key_type == NULL) ? key : (map_key_t)(size_t)hti->ht->key_type->clone((void *)(size_t)key));
if (EXPECT_FALSE(hti->ht->key_type != NULL)) {
// Combine <new_key> pointer with bits from its hash
new_key = ((uint64_t)(key_hash >> 16) << 48) | new_key;
//
map_val_t ht_get (hashtable_t *ht, map_key_t key) {
- uint32_t hash = (ht->key_type == NULL) ? murmur32_8b((uint64_t)key) : ht->key_type->hash(key);
+ uint32_t hash = (ht->key_type == NULL) ? murmur32_8b((uint64_t)key) : ht->key_type->hash((void *)(size_t)key);
return hti_get(ht->hti, key, hash);
}
}
map_val_t old_val;
- uint32_t key_hash = (ht->key_type == NULL) ? murmur32_8b((uint64_t)key) : ht->key_type->hash(key);
+ uint32_t key_hash = (ht->key_type == NULL) ? murmur32_8b((uint64_t)key) : ht->key_type->hash((void *)(size_t)key);
while ((old_val = hti_cas(hti, key, key_hash, expected_val, new_val)) == COPIED_VALUE) {
assert(hti->next);
hti = hti->next;
map_val_t ht_remove (hashtable_t *ht, map_key_t key) {
hti_t *hti = ht->hti;
map_val_t val;
- uint32_t key_hash = (ht->key_type == NULL) ? murmur32_8b((uint64_t)key) : ht->key_type->hash(key);
+ uint32_t key_hash = (ht->key_type == NULL) ? murmur32_8b((uint64_t)key) : ht->key_type->hash((void *)(size_t)key);
do {
val = hti_cas(hti, key, key_hash, CAS_EXPECT_WHATEVER, DOES_NOT_EXIST);
if (val != COPIED_VALUE)
printf("hti:%p scale:%u count:%d copied:%d\n", hti, hti->scale, hti->count, hti->num_entries_copied);
for (int i = 0; i < (1 << hti->scale); ++i) {
volatile entry_t *ent = hti->table + i;
- printf("[0x%x] %p:%p\n", i, (void *)ent->key, (void *)ent->val);
+ printf("[0x%x] 0x%llx:0x%llx\n", i, (uint64_t)ent->key, ent->val);
if (i > 30) {
printf("...\n");
break;
}
ht_iter_t *ht_iter_begin (hashtable_t *ht, map_key_t key) {
- assert(key == NULL);
hti_t *hti = ht->hti;
int rcount;
do {
return DOES_NOT_EXIST;
}
ent = &iter->hti->table[iter->idx];
- key = (iter->hti->ht->key_type == NULL) ? (map_key_t)ent->key : GET_PTR(ent->key);
+ key = (iter->hti->ht->key_type == NULL) ? (map_key_t)ent->key : (map_key_t)(size_t)GET_PTR(ent->key);
val = ent->val;
} while (key == DOES_NOT_EXIST || val == DOES_NOT_EXIST || val == TOMBSTONE);
if (val == COPIED_VALUE) {
uint32_t hash = (iter->hti->ht->key_type == NULL)
? murmur32_8b((uint64_t)key)
- : iter->hti->ht->key_type->hash(key);
+ : iter->hti->ht->key_type->hash((void *)(size_t)key);
val = hti_get(iter->hti->next, (map_key_t)ent->key, hash);
}