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lib: skip Curl_llist_destroy calls

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Linked lists themselves do not carry any allocations, so for the lists
that do not have have a set destructor we can just skip the
Curl_llist_destroy() call and save CPU time.

Closes #10764
This commit is contained in:
Daniel Stenberg 2023-03-14 16:55:01 +01:00
parent 5ec15ea48f
commit e5e8815532
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GPG Key ID: 5CC908FDB71E12C2
3 changed files with 1 additions and 26 deletions
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14
lib/conncache.c
View File

@ -45,13 +45,6 @@
#define HASHKEY_SIZE 128
static void conn_llist_dtor(void *user, void *element)
{
struct connectdata *conn = element;
(void)user;
conn->bundle = NULL;
}
static CURLcode bundle_create(struct connectbundle **bundlep)
{
DEBUGASSERT(*bundlep == NULL);
@ -62,17 +55,12 @@ static CURLcode bundle_create(struct connectbundle **bundlep)
(*bundlep)->num_connections = 0;
(*bundlep)->multiuse = BUNDLE_UNKNOWN;
Curl_llist_init(&(*bundlep)->conn_list, (Curl_llist_dtor) conn_llist_dtor);
Curl_llist_init(&(*bundlep)->conn_list, NULL);
return CURLE_OK;
}
static void bundle_destroy(struct connectbundle *bundle)
{
if(!bundle)
return;
Curl_llist_destroy(&bundle->conn_list, NULL);
free(bundle);
}

10
lib/multi.c
View File

@ -445,9 +445,6 @@ struct Curl_multi *Curl_multi_handle(int hashsize, /* socket hash */
sockhash_destroy(&multi->sockhash);
Curl_hash_destroy(&multi->hostcache);
Curl_conncache_destroy(&multi->conn_cache);
Curl_llist_destroy(&multi->msglist, NULL);
Curl_llist_destroy(&multi->pending, NULL);
free(multi);
return NULL;
}
@ -841,10 +838,6 @@ CURLMcode curl_multi_remove_handle(struct Curl_multi *multi,
Curl_wildcard_dtor(&data->wildcard);
/* destroy the timeout list that is held in the easy handle, do this *after*
multi_done() as that may actually call Curl_expire that uses this */
Curl_llist_destroy(&data->state.timeoutlist, NULL);
/* change state without using multistate(), only to make singlesocket() do
what we want */
data->mstate = MSTATE_COMPLETED;
@ -2795,9 +2788,6 @@ CURLMcode curl_multi_cleanup(struct Curl_multi *multi)
sockhash_destroy(&multi->sockhash);
Curl_conncache_destroy(&multi->conn_cache);
Curl_llist_destroy(&multi->msglist, NULL);
Curl_llist_destroy(&multi->pending, NULL);
Curl_hash_destroy(&multi->hostcache);
Curl_psl_destroy(&multi->psl);

3
lib/url.c
View File

@ -727,8 +727,6 @@ static void conn_free(struct Curl_easy *data, struct connectdata *conn)
Curl_safefree(conn->conn_to_host.rawalloc); /* host name buffer */
Curl_safefree(conn->hostname_resolve);
Curl_safefree(conn->secondaryhostname);
Curl_llist_destroy(&conn->easyq, NULL);
Curl_safefree(conn->localdev);
Curl_free_primary_ssl_config(&conn->ssl_config);
@ -1596,7 +1594,6 @@ static struct connectdata *allocate_conn(struct Curl_easy *data)
return conn;
error:
Curl_llist_destroy(&conn->easyq, NULL);
free(conn->localdev);
free(conn);
return NULL;