mirror of
https://codeberg.org/kiss-community/repo
synced 2024-08-19 20:56:58 +00:00
51 lines
1.4 KiB
Groff
51 lines
1.4 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_TCP_KEEPALIVE.md
|
|
.TH CURLOPT_TCP_KEEPALIVE 3 "2024-06-01" libcurl
|
|
.SH NAME
|
|
CURLOPT_TCP_KEEPALIVE \- TCP keep\-alive probing
|
|
.SH SYNOPSIS
|
|
.nf
|
|
#include <curl/curl.h>
|
|
|
|
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TCP_KEEPALIVE, long probe);
|
|
.fi
|
|
.SH DESCRIPTION
|
|
Pass a long. If set to 1, TCP keepalive probes are used. The delay and
|
|
frequency of these probes can be controlled by the
|
|
\fICURLOPT_TCP_KEEPIDLE(3)\fP and \fICURLOPT_TCP_KEEPINTVL(3)\fP options,
|
|
provided the operating system supports them. Set to 0 (default behavior) to
|
|
disable keepalive probes
|
|
.SH DEFAULT
|
|
0
|
|
.SH PROTOCOLS
|
|
All
|
|
.SH EXAMPLE
|
|
.nf
|
|
int main(void)
|
|
{
|
|
CURL *curl = curl_easy_init();
|
|
if(curl) {
|
|
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
|
|
|
|
/* enable TCP keep-alive for this transfer */
|
|
curl_easy_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);
|
|
|
|
/* keep-alive idle time to 120 seconds */
|
|
curl_easy_setopt(curl, CURLOPT_TCP_KEEPIDLE, 120L);
|
|
|
|
/* interval time between keep-alive probes: 60 seconds */
|
|
curl_easy_setopt(curl, CURLOPT_TCP_KEEPINTVL, 60L);
|
|
|
|
curl_easy_perform(curl);
|
|
}
|
|
}
|
|
.fi
|
|
.SH AVAILABILITY
|
|
Added in 7.25.0
|
|
.SH RETURN VALUE
|
|
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
|
|
.SH SEE ALSO
|
|
.BR CURLOPT_LOW_SPEED_LIMIT (3),
|
|
.BR CURLOPT_MAX_RECV_SPEED_LARGE (3),
|
|
.BR CURLOPT_TCP_KEEPIDLE (3),
|
|
.BR CURLOPT_TCP_KEEPINTVL (3)
|