CURLOPT_TCP_KEEPALIVE (3) Linux Manual Page

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),