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dns_client: fix crash issue when upstream response delay is lower than 1ms

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This commit is contained in:
Nick Peng
2022-11-07 19:57:17 +08:00
parent 5558e38cb4
commit facf672081
2 changed files with 8 additions and 5 deletions
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10
src/dns_client.c
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@@ -3135,11 +3135,13 @@ int dns_client_query(const char *domain, int qtype, dns_client_callback callback
}
pthread_mutex_lock(&client.domain_map_lock);
if (list_empty(&client.dns_request_list)) {
pthread_cond_signal(&client.run_cond);
}
if (hash_hashed(&query->domain_node)) {
if (list_empty(&client.dns_request_list)) {
pthread_cond_signal(&client.run_cond);
}
list_add_tail(&query->dns_request_list, &client.dns_request_list);
list_add_tail(&query->dns_request_list, &client.dns_request_list);
}
pthread_mutex_unlock(&client.domain_map_lock);
tlog(TLOG_INFO, "send request %s, qtype %d, id %d\n", domain, qtype, query->sid);