Changeset 91bef446 in mainline


Ignore:
Timestamp:
2019-02-24T15:45:40Z (5 years ago)
Author:
Jiří Zárevúcky <zarevucky.jiri@…>
Parents:
0c48e14
git-author:
Jiří Zárevúcky <zarevucky.jiri@…> (2019-02-24 15:44:39)
git-committer:
Jiří Zárevúcky <zarevucky.jiri@…> (2019-02-24 15:45:40)
Message:

Const hash table keys in kernel

Files:
7 edited

Legend:

Unmodified
Added
Removed

  • kernel/genarch/src/mm/page_ht.c

    r0c48e14 r91bef446  
    5454
    5555static size_t ht_hash(const ht_link_t *);
    56 static size_t ht_key_hash(void *);
    57 static bool ht_key_equal(void *, const ht_link_t *);
     56static size_t ht_key_hash(const void *);
     57static bool ht_key_equal(const void *, const ht_link_t *);
    5858static void ht_remove_callback(ht_link_t *);
    5959
    … …  
    109109
    110110/** Return the hash of the key. */
    111 size_t ht_key_hash(void *arg)
    112 {
    113         uintptr_t *key = (uintptr_t *) arg;
     111size_t ht_key_hash(const void *arg)
     112{
     113        const uintptr_t *key = arg;
    114114        size_t hash = 0;
    115115        hash = hash_combine(hash, key[KEY_AS]);
    … …  
    119119
    120120/** Return true if the key is equal to the item's lookup key. */
    121 bool ht_key_equal(void *arg, const ht_link_t *item)
    122 {
    123         uintptr_t *key = (uintptr_t *) arg;
     121bool ht_key_equal(const void *arg, const ht_link_t *item)
     122{
     123        const uintptr_t *key = arg;
    124124        pte_t *pte = hash_table_get_inst(item, pte_t, link);
    125125        return (key[KEY_AS] == (uintptr_t) pte->as) &&

  • kernel/generic/include/adt/hash_table.h

    r0c48e14 r91bef446  
    5353
    5454        /** Returns the hash of the key. */
    55         size_t (*key_hash)(void *key);
     55        size_t (*key_hash)(const void *key);
    5656
    5757        /** True if the items are equal (have the same lookup keys). */
    … …  
    5959
    6060        /** Returns true if the key is equal to the item's lookup key. */
    61         bool (*key_equal)(void *key, const ht_link_t *item);
     61        bool (*key_equal)(const void *key, const ht_link_t *item);
    6262
    6363        /** Hash table item removal callback.
    … …  
    9494extern void hash_table_insert(hash_table_t *, ht_link_t *);
    9595extern bool hash_table_insert_unique(hash_table_t *, ht_link_t *);
    96 extern ht_link_t *hash_table_find(const hash_table_t *, void *);
     96extern ht_link_t *hash_table_find(const hash_table_t *, const void *);
    9797extern ht_link_t *hash_table_find_next(const hash_table_t *, ht_link_t *,
    9898    ht_link_t *);
    99 extern size_t hash_table_remove(hash_table_t *, void *);
     99extern size_t hash_table_remove(hash_table_t *, const void *);
    100100extern void hash_table_remove_item(hash_table_t *, ht_link_t *);
    101101extern void hash_table_apply(hash_table_t *, bool (*)(ht_link_t *, void *),

  • kernel/generic/src/adt/hash_table.c

    r0c48e14 r91bef446  
    5151#include <adt/hash_table.h>
    5252#include <adt/list.h>
     53#include <assert.h>
    5354#include <stdlib.h>
    54 #include <assert.h>
    5555#include <str.h>
    5656
    … …  
    245245 *
    246246 */
    247 ht_link_t *hash_table_find(const hash_table_t *h, void *key)
     247ht_link_t *hash_table_find(const hash_table_t *h, const void *key)
    248248{
    249249        assert(h && h->bucket);
    … …  
    306306 * @return Returns the number of removed items.
    307307 */
    308 size_t hash_table_remove(hash_table_t *h, void *key)
     308size_t hash_table_remove(hash_table_t *h, const void *key)
    309309{
    310310        assert(h && h->bucket);

  • kernel/generic/src/cap/cap.c

    r0c48e14 r91bef446  
    101101}
    102102
    103 static size_t caps_key_hash(void *key)
    104 {
    105         cap_handle_t *handle = (cap_handle_t *) key;
     103static size_t caps_key_hash(const void *key)
     104{
     105        const cap_handle_t *handle = key;
    106106        return hash_mix(cap_handle_raw(*handle));
    107107}
    108108
    109 static bool caps_key_equal(void *key, const ht_link_t *item)
    110 {
    111         cap_handle_t *handle = (cap_handle_t *) key;
     109static bool caps_key_equal(const void *key, const ht_link_t *item)
     110{
     111        const cap_handle_t *handle = key;
    112112        cap_t *cap = hash_table_get_inst(item, cap_t, caps_link);
    113113        return *handle == cap->handle;

  • kernel/generic/src/ddi/irq.c

    r0c48e14 r91bef446  
    7373
    7474static size_t irq_ht_hash(const ht_link_t *);
    75 static size_t irq_ht_key_hash(void *);
     75static size_t irq_ht_key_hash(const void *);
    7676static bool irq_ht_equal(const ht_link_t *, const ht_link_t *);
    77 static bool irq_ht_key_equal(void *, const ht_link_t *);
     77static bool irq_ht_key_equal(const void *, const ht_link_t *);
    7878
    7979static hash_table_ops_t irq_ht_ops = {
    … …  
    208208
    209209/** Return the hash of the key. */
    210 size_t irq_ht_key_hash(void *key)
    211 {
    212         inr_t *inr = (inr_t *) key;
     210size_t irq_ht_key_hash(const void *key)
     211{
     212        const inr_t *inr = key;
    213213        return hash_mix(*inr);
    214214}
    … …  
    223223
    224224/** Return true if the key is equal to the item's lookup key. */
    225 bool irq_ht_key_equal(void *key, const ht_link_t *item)
    226 {
    227         inr_t *inr = (inr_t *) key;
     225bool irq_ht_key_equal(const void *key, const ht_link_t *item)
     226{
     227        const inr_t *inr = key;
    228228        irq_t *irq = hash_table_get_inst(item, irq_t, link);
    229229        return irq->inr == *inr;

  • kernel/generic/src/lib/ra.c

    r0c48e14 r91bef446  
    6767
    6868/** Return the hash of the key */
    69 static size_t used_key_hash(void *key)
    70 {
    71         uintptr_t *base = (uintptr_t *) key;
     69static size_t used_key_hash(const void *key)
     70{
     71        const uintptr_t *base = key;
    7272        return hash_mix(*base);
    7373}
    7474
    7575/** Return true if the key is equal to the item's lookup key */
    76 static bool used_key_equal(void *key, const ht_link_t *item)
    77 {
    78         uintptr_t *base = (uintptr_t *) key;
     76static bool used_key_equal(const void *key, const ht_link_t *item)
     77{
     78        const uintptr_t *base = key;
    7979        ra_segment_t *seg = hash_table_get_inst(item, ra_segment_t, uh_link);
    8080        return seg->base == *base;

  • uspace/lib/c/generic/adt/hash_table.c

    r0c48e14 r91bef446  
    303303 * @param key  Array of keys that will be compared against items of
    304304 *             the hash table.
    305  * @param keys Number of keys in the 'key' array.
    306305 *
    307306 * @return Returns the number of removed items.
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