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Resolver: allocate resolver from configuration pool.

Browse source 
Before 4a8c9139e579, ngx_resolver_create() didn't use configuration
pool, and allocations were done using malloc().

In 016352c19049, when resolver gained support of several servers,
new allocations were done from the pool.
This commit is contained in:
Ruslan Ermilov 2018-06-13 22:37:42 +03:00
parent 0553c81ea1
commit 1f5b38eff9
1 changed files with 34 additions and 45 deletions
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33
src/core/ngx_resolver.c
View file

@ -141,25 +141,24 @@ ngx_resolver_create(ngx_conf_t *cf, ngx_str_t *names, ngx_uint_t n)
ngx_pool_cleanup_t *cln;
ngx_resolver_connection_t *rec;
r = ngx_pcalloc(cf->pool, sizeof(ngx_resolver_t));
if (r == NULL) {
return NULL;
}
r->event = ngx_pcalloc(cf->pool, sizeof(ngx_event_t));
if (r->event == NULL) {
return NULL;
}
cln = ngx_pool_cleanup_add(cf->pool, 0);
if (cln == NULL) {
return NULL;
}
cln->handler = ngx_resolver_cleanup;
r = ngx_calloc(sizeof(ngx_resolver_t), cf->log);
if (r == NULL) {
return NULL;
}
cln->data = r;
r->event = ngx_calloc(sizeof(ngx_event_t), cf->log);
if (r->event == NULL) {
return NULL;
}
ngx_rbtree_init(&r->name_rbtree, &r->name_sentinel,
ngx_resolver_rbtree_insert_value);
@ -288,9 +287,7 @@ ngx_resolver_cleanup(void *data)
ngx_uint_t i;
ngx_resolver_connection_t *rec;
if (r) {
ngx_log_debug0(NGX_LOG_DEBUG_CORE, ngx_cycle->log, 0,
"cleanup resolver");
ngx_log_debug0(NGX_LOG_DEBUG_CORE, ngx_cycle->log, 0, "cleanup resolver");
ngx_resolver_cleanup_tree(r, &r->name_rbtree);
@ -302,15 +299,10 @@ ngx_resolver_cleanup(void *data)
ngx_resolver_cleanup_tree(r, &r->addr6_rbtree);
#endif
if (r->event) {
if (r->event->timer_set) {
ngx_del_timer(r->event);
}
ngx_free(r->event);
}
rec = r->connections.elts;
for (i = 0; i < r->connections.nelts; i++) {
@ -332,9 +324,6 @@ ngx_resolver_cleanup(void *data)
ngx_resolver_free(r, rec[i].write_buf);
}
}
ngx_free(r);
}
}