03-10-2005
I think, threfore I am and thus I am alive or at least I believe I am alive.
Do you think I am alive?
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LEARN ABOUT MOJAVE
curlopt_tcp_keepalive
CURLOPT_TCP_KEEPALIVE(3) curl_easy_setopt options CURLOPT_TCP_KEEPALIVE(3)
NAME
CURLOPT_TCP_KEEPALIVE - enable TCP keep-alive probing
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TCP_KEEPALIVE, long probe);
DESCRIPTION
Pass a long. If set to 1, TCP keepalive probes will be sent. The delay and frequency of these probes can be controlled by the CUR-
LOPT_TCP_KEEPIDLE(3) and CURLOPT_TCP_KEEPINTVL(3) options, provided the operating system supports them. Set to 0 (default behavior) to dis-
able keepalive probes
DEFAULT
0
PROTOCOLS
All
EXAMPLE
CURL *curl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, "http://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);
}
AVAILABILITY
Added in 7.25.0
RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
SEE ALSO
CURLOPT_TCP_KEEPIDLE(3), CURLOPT_TCP_KEEPINTVL(3),
libcurl 7.54.0 February 03, 2016 CURLOPT_TCP_KEEPALIVE(3)