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CURLOPT_MAXAGE_CONN(3) Library Functions Manual CURLOPT_MAXAGE_CONN(3) NAME CURLOPT_MAXAGE_CONN - max idle time allowed for reusing a connection SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_MAXAGE_CONN, long age); DESCRIPTION Pass a long as parameter containing age - the maximum time in seconds allowed for an existing connection to have been idle to be considered for reuse for this request. The "connection cache" holds previously used connections. When a new request is to be done, libcurl considers any connection that matches for reuse. The CURLOPT_MAXAGE_CONN(3) limit prevents libcurl from try- ing too old connections for reuse, since old connections have a higher risk of not working and thus trying them is a performance loss and sometimes service loss due to the difficulties to figure out the situa- tion. If a connection is found in the cache that is older than this set age, it is closed instead. DEFAULT 118 seconds PROTOCOLS This functionality affects all supported protocols EXAMPLE int main(void) { CURL *curl = curl_easy_init(); if(curl) { curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); /* only allow 30 seconds idle time */ curl_easy_setopt(curl, CURLOPT_MAXAGE_CONN, 30L); curl_easy_perform(curl); } } AVAILABILITY Added in curl 7.65.0 RETURN VALUE curl_easy_setopt(3) returns a CURLcode indicating success or error. CURLE_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3). SEE ALSO CURLOPT_FORBID_REUSE(3), CURLOPT_FRESH_CONNECT(3), CURLOPT_MAXLIFE- TIME_CONN(3), CURLOPT_TIMEOUT(3) libcurl 2025-06-03 CURLOPT_MAXAGE_CONN(3)
NAME | SYNOPSIS | DESCRIPTION | DEFAULT | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
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