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Stack allocate dict iterators

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Replacing the get & release functions with an initiation
function. Simplifies the code and will make sure we
run subscription callbacks in OOM scenarios.
This commit is contained in:
Bjorn Svensson 2021-01-25 15:43:40 +01:00
parent 297ecbecb7
commit 920128a260
3 changed files with 9 additions and 25 deletions
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20
async.c
View File

@ -306,7 +306,7 @@ static void __redisRunPushCallback(redisAsyncContext *ac, redisReply *reply) {
static void __redisAsyncFree(redisAsyncContext *ac) {
redisContext *c = &(ac->c);
redisCallback cb;
dictIterator *it;
dictIterator it;
dictEntry *de;
/* Execute pending callbacks with NULL reply. */
@ -319,23 +319,17 @@ static void __redisAsyncFree(redisAsyncContext *ac) {
/* Run subscription callbacks with NULL reply */
if (ac->sub.channels) {
it = dictGetIterator(ac->sub.channels);
if (it != NULL) {
while ((de = dictNext(it)) != NULL)
__redisRunCallback(ac,dictGetEntryVal(de),NULL);
dictReleaseIterator(it);
}
dictInitIterator(&it,ac->sub.channels);
while ((de = dictNext(&it)) != NULL)
__redisRunCallback(ac,dictGetEntryVal(de),NULL);
dictRelease(ac->sub.channels);
}
if (ac->sub.patterns) {
it = dictGetIterator(ac->sub.patterns);
if (it != NULL) {
while ((de = dictNext(it)) != NULL)
__redisRunCallback(ac,dictGetEntryVal(de),NULL);
dictReleaseIterator(it);
}
dictInitIterator(&it,ac->sub.patterns);
while ((de = dictNext(&it)) != NULL)
__redisRunCallback(ac,dictGetEntryVal(de),NULL);
dictRelease(ac->sub.patterns);
}

11
dict.c
View File

@ -267,16 +267,11 @@ static dictEntry *dictFind(dict *ht, const void *key) {
return NULL;
}
static dictIterator *dictGetIterator(dict *ht) {
dictIterator *iter = hi_malloc(sizeof(*iter));
if (iter == NULL)
return NULL;
static void dictInitIterator(dictIterator *iter, dict *ht) {
iter->ht = ht;
iter->index = -1;
iter->entry = NULL;
iter->nextEntry = NULL;
return iter;
}
static dictEntry *dictNext(dictIterator *iter) {
@ -299,10 +294,6 @@ static dictEntry *dictNext(dictIterator *iter) {
return NULL;
}
static void dictReleaseIterator(dictIterator *iter) {
hi_free(iter);
}
/* ------------------------- private functions ------------------------------ */
/* Expand the hash table if needed */

3
dict.h
View File

@ -119,8 +119,7 @@ static int dictReplace(dict *ht, void *key, void *val);
static int dictDelete(dict *ht, const void *key);
static void dictRelease(dict *ht);
static dictEntry * dictFind(dict *ht, const void *key);
static dictIterator *dictGetIterator(dict *ht);
static void dictInitIterator(dictIterator *iter, dict *ht);
static dictEntry *dictNext(dictIterator *iter);
static void dictReleaseIterator(dictIterator *iter);
#endif /* __DICT_H */