1CURLOPT_TCP_KEEPIDLE(3)    curl_easy_setopt options    CURLOPT_TCP_KEEPIDLE(3)
2
3
4

NAME

6       CURLOPT_TCP_KEEPIDLE - TCP keep-alive idle time wait
7

SYNOPSIS

9       #include <curl/curl.h>
10
11       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TCP_KEEPIDLE, long delay);
12

DESCRIPTION

14       Pass a long. Sets the delay, in seconds, that the operating system will
15       wait while the connection is idle before sending keepalive probes.  Not
16       all operating systems support this option.
17
18       The  maximum value this accepts is 2147483648. Any larger value will be
19       capped to this amount.
20

DEFAULT

22       60
23

PROTOCOLS

25       All
26

EXAMPLE

28       CURL *curl = curl_easy_init();
29       if(curl) {
30         curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
31
32         /* enable TCP keep-alive for this transfer */
33         curl_easy_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);
34
35         /* set keep-alive idle time to 120 seconds */
36         curl_easy_setopt(curl, CURLOPT_TCP_KEEPIDLE, 120L);
37
38         /* interval time between keep-alive probes: 60 seconds */
39         curl_easy_setopt(curl, CURLOPT_TCP_KEEPINTVL, 60L);
40
41         curl_easy_perform(curl);
42       }
43

AVAILABILITY

45       Added in 7.25.0
46

RETURN VALUE

48       Returns CURLE_OK if the option is supported,  and  CURLE_UNKNOWN_OPTION
49       if not.
50

SEE ALSO

52       CURLOPT_TCP_KEEPALIVE(3), CURLOPT_TCP_KEEPINTVL(3),
53
54
55
56libcurl 8.0.1                  January 02, 2023        CURLOPT_TCP_KEEPIDLE(3)
Impressum