70 lines
1.5 KiB
Markdown
70 lines
1.5 KiB
Markdown
---
|
|
c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
|
|
SPDX-License-Identifier: curl
|
|
Title: CURLMOPT_MAXCONNECTS
|
|
Section: 3
|
|
Source: libcurl
|
|
See-also:
|
|
- CURLMOPT_MAX_HOST_CONNECTIONS (3)
|
|
- CURLOPT_MAXCONNECTS (3)
|
|
---
|
|
|
|
# NAME
|
|
|
|
CURLMOPT_MAXCONNECTS - size of connection cache
|
|
|
|
# SYNOPSIS
|
|
|
|
~~~c
|
|
#include <curl/curl.h>
|
|
|
|
CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_MAXCONNECTS, long max);
|
|
~~~
|
|
|
|
# DESCRIPTION
|
|
|
|
Pass a long indicating the **max**. The set number is used as the maximum
|
|
amount of simultaneously open connections that libcurl may keep in its
|
|
connection cache after completed use. By default libcurl enlarges 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
|
|
|
|
~~~c
|
|
int main(void)
|
|
{
|
|
CURLM *m = curl_multi_init();
|
|
/* only keep 10 connections in the cache */
|
|
curl_multi_setopt(m, CURLMOPT_MAXCONNECTS, 10L);
|
|
}
|
|
~~~
|
|
|
|
# AVAILABILITY
|
|
|
|
Added in 7.16.3
|
|
|
|
# RETURN VALUE
|
|
|
|
Returns CURLM_OK if the option is supported, and CURLM_UNKNOWN_OPTION if not.
|