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Daniel Stenberg e3fe020089

docs/libcurl: generate PROTOCOLS from meta-data

Remove the PROTOCOLS section from the source files completely and
instead generate them based on the header data in the curldown files.

It also generates TLS backend information for options marked for TLS as
protocol.

Closes #13175

2024-03-23 18:13:03 +01:00

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SPDX-License-Identifier

Title

Section

Source

See-also

Protocol

curl

CURLINFO_QUEUE_TIME_T

libcurl

CURLINFO_STARTTRANSFER_TIME_T (3)

CURLOPT_TIMEOUT (3)

curl_easy_getinfo (3)

curl_easy_setopt (3)

All

NAME

CURLINFO_QUEUE_TIME_T - time this transfer was queued

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_QUEUE_TIME_T,
                           curl_off_t *timep);

DESCRIPTION

Pass a pointer to a curl_off_t to receive the time, in microseconds, this transfer was held in a waiting queue before it started "for real". A transfer might be put in a queue if after getting started, it cannot create a new connection etc due to set conditions and limits imposed by the application.

See also the TIMES overview in the curl_easy_getinfo(3) man page.

EXAMPLE

int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    CURLcode res;
    curl_off_t queue;
    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
    res = curl_easy_perform(curl);
    if(CURLE_OK == res) {
      res = curl_easy_getinfo(curl, CURLINFO_QUEUE_TIME_T, &queue);
      if(CURLE_OK == res) {
        printf("Queued: %" CURL_FORMAT_CURL_OFF_T ".%06ld us", queue / 1000000,
               (long)(queue % 1000000));
      }
    }
    /* always cleanup */
    curl_easy_cleanup(curl);
  }
}

AVAILABILITY

Added in 8.6.0

RETURN VALUE

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

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