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 CURLOPT_TCP_KEEPIDLE(3) and CURLOPT_TCP_KEEPINTVL(3) options, provided the operating system supports them. Set to 0 (default behavior) to disable keepalive probes

DEFAULT¶

0

PROTOCOLS¶

All

EXAMPLE¶

TODO

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),