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CURLOPT_MAXCONNECTS(3) Library Functions Manual CURLOPT_MAXCONNECTS(3) NAME CURLOPT_MAXCONNECTS - maximum connection cache size SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_MAXCONNECTS, long amount); DESCRIPTION Pass a long. The set amount is the maximum number of connections that libcurl may keep alive in its connection cache after use. The default is 5, and there is not much point in changing this value unless you are perfectly aware of how this works. This concerns connections using any of the proto- cols that support persistent connections. When reaching the maximum limit, curl closes the oldest connection present in the cache to prevent the number of connections from increasing. If you already have performed transfers with this curl handle, setting a smaller CURLOPT_MAXCONNECTS(3) than before may cause open connections to get closed unnecessarily. If you add this easy handle to a multi handle, this setting is not acknowl- edged, and you must instead use curl_multi_setopt(3) and the CURLMOPT_MAX- CONNECTS(3) option. DEFAULT 5 PROTOCOLS This functionality affects all supported protocols EXAMPLE int main(void) { CURL *curl = curl_easy_init(); if(curl) { CURLcode result; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/"); /* limit the connection cache for this handle to no more than 3 */ curl_easy_setopt(curl, CURLOPT_MAXCONNECTS, 3L); result = curl_easy_perform(curl); } } AVAILABILITY Added in curl 7.7 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 CURLMOPT_MAXCONNECTS(3), CURLMOPT_MAX_HOST_CONNECTIONS(3), CURLMOPT_MAX_TO- TAL_CONNECTIONS(3), CURLOPT_MAXREDIRS(3) libcurl 2026-06-11 CURLOPT_MAXCONNECTS(3)
NAME | SYNOPSIS | DESCRIPTION | DEFAULT | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
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