quickjs-tart

quickjs-based runtime for wallet-core logic
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CURLOPT_TCP_KEEPINTVL.md (1572B)

      1 ---
      2 c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
      3 SPDX-License-Identifier: curl
      4 Title: CURLOPT_TCP_KEEPINTVL
      5 Section: 3
      6 Source: libcurl
      7 See-also:
      8   - CURLOPT_TCP_KEEPALIVE (3)
      9   - CURLOPT_TCP_KEEPIDLE (3)
     10   - CURLOPT_TCP_KEEPCNT (3)
     11 Protocol:
     12   - TCP
     13 Added-in: 7.25.0
     14 ---
     15 
     16 # NAME
     17 
     18 CURLOPT_TCP_KEEPINTVL - TCP keep-alive interval
     19 
     20 # SYNOPSIS
     21 
     22 ~~~c
     23 #include <curl/curl.h>
     24 
     25 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TCP_KEEPINTVL, long interval);
     26 ~~~
     27 
     28 # DESCRIPTION
     29 
     30 Pass a long. Sets the interval, in seconds, to wait between sending keepalive
     31 probes. Not all operating systems support this option. (Added in 7.25.0)
     32 
     33 The maximum value this accepts is 2147483648. Any larger value is capped to
     34 this amount.
     35 
     36 # DEFAULT
     37 
     38 60
     39 
     40 # %PROTOCOLS%
     41 
     42 # EXAMPLE
     43 
     44 ~~~c
     45 int main(void)
     46 {
     47   CURL *curl = curl_easy_init();
     48   if(curl) {
     49     curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
     50 
     51     /* enable TCP keep-alive for this transfer */
     52     curl_easy_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);
     53 
     54     /* set keep-alive idle time to 120 seconds */
     55     curl_easy_setopt(curl, CURLOPT_TCP_KEEPIDLE, 120L);
     56 
     57     /* interval time between keep-alive probes: 60 seconds */
     58     curl_easy_setopt(curl, CURLOPT_TCP_KEEPINTVL, 60L);
     59 
     60     /* maximum number of keep-alive probes: 3 */
     61     curl_easy_setopt(curl, CURLOPT_TCP_KEEPCNT, 3L);
     62 
     63     curl_easy_perform(curl);
     64   }
     65 }
     66 ~~~
     67 
     68 # %AVAILABILITY%
     69 
     70 # RETURN VALUE
     71 
     72 curl_easy_setopt(3) returns a CURLcode indicating success or error.
     73 
     74 CURLE_OK (0) means everything was OK, non-zero means an error occurred, see
     75 libcurl-errors(3).