CURLOPT_TCP_KEEPIDLE(3) curl_easy_setopt options CURLOPT_TCP_KEEPIDLE(3)NAMECURLOPT_TCP_KEEPIDLE - set TCP keep-alive idle time wait
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TCP_KEEPIDLE, long
delay);
DESCRIPTION
Pass a long. Sets the delay, in seconds, that the operating system will
wait while the connection is idle before sending keepalive probes. Not
all operating systems support this option.
DEFAULT
?
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);
/* set 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 ALSOCURLOPT_TCP_KEEPALIVE(3), CURLOPT_TCP_KEEPINTVL(3),
libcurl 7.37.0 19 Jun 2014 CURLOPT_TCP_KEEPIDLE(3)