CURLMOPT_MAXCONNECTS(3) curl_multi_setopt options CURLMOPT_MAXCONNECTS(3)NAME
CURLMOPT_MAXCONNECTS - set size of connection cache
SYNOPSIS
#include <curl/curl.h>
CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_MAXCONNECTS, long max);
DESCRIPTION
Pass a long indicating the max. The set number will be used as the maximum amount of simultaneously open connections that libcurl may keep
in its connection cache after completed use. By default libcurl will enlarge the size for each added easy handle to make it fit 4 times the
number of added easy handles.
By setting this option, you can prevent the cache size from growing beyond the limit set by you.
When the cache is full, curl closes the oldest one in the cache to prevent the number of open connections from increasing.
This option is for the multi handle's use only, when using the easy interface you should instead use the CURLOPT_MAXCONNECTS(3) option.
See CURLMOPT_MAX_TOTAL_CONNECTIONS(3) for limiting the number of active connections.
DEFAULT
See DESCRIPTION
PROTOCOLS
All
EXAMPLE
TODO
AVAILABILITY
Added in 7.16.3
RETURN VALUE
Returns CURLM_OK if the option is supported, and CURLM_UNKNOWN_OPTION if not.
SEE ALSO CURLMOPT_MAX_HOST_CONNECTIONS(3), CURLOPT_MAXCONNECTS(3),
libcurl 7.54.0 February 03, 2016 CURLMOPT_MAXCONNECTS(3)
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CURLOPT_MAXCONNECTS(3) curl_easy_setopt options 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 will be the maximum number of simultaneously open persistent connections that libcurl may cache in the pool
associated with this handle. The default is 5, and there isn't much point in changing this value unless you are perfectly aware of how this
works and changes libcurl's behaviour. This concerns connections using any of the protocols that support persistent connections.
When reaching the maximum limit, curl closes the oldest one in the cache to prevent increasing the number of open connections.
If you already have performed transfers with this curl handle, setting a smaller CURLOPT_MAXCONNECTS(3) than before may cause open connec-
tions to get closed unnecessarily.
If you add this easy handle to a multi handle, this setting is not acknowledged, and you must instead use curl_multi_setopt(3) and the
CURLMOPT_MAXCONNECTS(3) option.
DEFAULT
5
PROTOCOLS
Most
EXAMPLE
TODO
AVAILABILITY
Always
RETURN VALUE
Returns CURLE_OK
SEE ALSO CURLMOPT_MAXCONNECTS(3), CURLOPT_MAXREDIRS(3),
libcurl 7.54.0 April 18, 2016 CURLOPT_MAXCONNECTS(3)
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