X-Git-Url: https://pd.if.org/git/?p=nbds;a=blobdiff_plain;f=map%2Fhashtable.c;h=a757cfc928633f91c8e0ff54f3699057495dbbd3;hp=64f7a4773446d490e4f108c9a46576a2e5cf559e;hb=2cce67f0002cdb6dcdc2ab8ccf837e3d2b3336de;hpb=a19bce63ef088ad03004bc8e9bfde4901d978151 diff --git a/map/hashtable.c b/map/hashtable.c index 64f7a47..a757cfc 100644 --- a/map/hashtable.c +++ b/map/hashtable.c @@ -18,7 +18,7 @@ #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; @@ -106,9 +106,11 @@ static volatile entry_t *hti_lookup (hti_t *hti, map_key_t key, uint32_t key_has // The key in 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; + } } } } @@ -214,14 +216,14 @@ static int hti_copy_entry (hti_t *ht1, volatile entry_t *ht1_ent, uint32_t key_h // 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; } @@ -229,7 +231,9 @@ static int hti_copy_entry (hti_t *ht1, volatile entry_t *ht1_ent, uint32_t key_h // We use 0 to indicate that 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; @@ -323,7 +327,7 @@ static map_val_t hti_cas (hti_t *hti, map_key_t key, uint32_t key_hash, map_val_ return DOES_NOT_EXIST; // Allocate . - 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 pointer with bits from its hash new_key = ((uint64_t)(key_hash >> 16) << 48) | new_key; @@ -432,7 +436,7 @@ static map_val_t hti_get (hti_t *hti, map_key_t key, uint32_t key_hash) { // 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); } @@ -508,7 +512,7 @@ map_val_t ht_cas (hashtable_t *ht, map_key_t key, map_val_t expected_val, map_va } 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; @@ -522,7 +526,7 @@ map_val_t ht_cas (hashtable_t *ht, map_key_t key, map_val_t expected_val, map_va 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) @@ -576,7 +580,7 @@ void ht_print (hashtable_t *ht) { 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; @@ -587,7 +591,6 @@ void ht_print (hashtable_t *ht) { } ht_iter_t *ht_iter_begin (hashtable_t *ht, map_key_t key) { - assert(key == NULL); hti_t *hti = ht->hti; int rcount; do { @@ -623,7 +626,7 @@ map_val_t ht_iter_next (ht_iter_t *iter, map_key_t *key_ptr) { 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); @@ -634,7 +637,7 @@ map_val_t ht_iter_next (ht_iter_t *iter, map_key_t *key_ptr) { 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); }