CURLMOPT_MAX_CONCURRENT_STREAMS(3) Introduction to Library Functions

NAME

CURLMOPT_MAX_CONCURRENT_STREAMS - max concurrent streams for http2

SYNOPSIS

#include <curl/curl.h>

CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_MAX_CONCURRENT_STREAMS,
long max);

DESCRIPTION

Pass a long indicating the max. The set number is used as the maximum
number of concurrent streams libcurl should support on connections
done using HTTP/2 or HTTP/3.

Valid values range from 1 to 2147483647 (2^31 - 1) and defaults to
100. The value passed here would be honored based on other system
resources properties.

DEFAULT

100

PROTOCOLS

This functionality affects http only

EXAMPLE

int main(void)
{
CURLM *m = curl_multi_init();
/* max concurrent streams 200 */
curl_multi_setopt(m, CURLMOPT_MAX_CONCURRENT_STREAMS, 200L);
}

AVAILABILITY

Added in curl 7.67.0

RETURN VALUE

curl_multi_setopt(3) returns a CURLMcode indicating success or error.

CURLM_OK (0) means everything was OK, non-zero means an error
occurred, see libcurl-errors(3).

SEE ALSO

CURLMOPT_MAXCONNECTS(3), CURLOPT_MAXCONNECTS(3)

libcurl 2025-02-25
CURLMOPT_MAX_CONCURRENT_STREAMS(3)