CURLOPT_QUICK_EXIT(3) Library Functions Manual CURLOPT_QUICK_EXIT(3)

CURLOPT_QUICK_EXIT - allow to exit quickly

#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_QUICK_EXIT,
                          long value);

Pass a long as a parameter, 1L meaning that when recovering from a timeout, libcurl should skip lengthy cleanups that are intended to avoid all kinds of leaks (threads etc.), as the caller program is about to call exit() anyway. This allows for a swift termination after a DNS timeout for example, by canceling and/or forgetting about a resolver thread, at the expense of a possible (though short-lived) leak of associated resources.

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int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    CURLcode ret;
    curl_easy_setopt(curl, CURLOPT_QUICK_EXIT, 1L);
    ret = curl_easy_perform(curl);
  }
}

Added in 7.87.0

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.

CURLOPT_FAILONERROR(3), CURLOPT_RESOLVE(3)

2024-05-22 libcurl