.\" ************************************************************************** .\" * _ _ ____ _ .\" * Project ___| | | | _ \| | .\" * / __| | | | |_) | | .\" * | (__| |_| | _ <| |___ .\" * \___|\___/|_| \_\_____| .\" * .\" * Copyright (C) Daniel Stenberg, , et al. .\" * .\" * This software is licensed as described in the file COPYING, which .\" * you should have received as part of this distribution. The terms .\" * are also available at https://curl.se/docs/copyright.html. .\" * .\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell .\" * copies of the Software, and permit persons to whom the Software is .\" * furnished to do so, under the terms of the COPYING file. .\" * .\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY .\" * KIND, either express or implied. .\" * .\" * SPDX-License-Identifier: curl .\" * .\" ************************************************************************** .\" .TH CURLMOPT_MAX_CONCURRENT_STREAMS 3 "06 Nov 2019" libcurl libcurl .SH NAME CURLMOPT_MAX_CONCURRENT_STREAMS \- max concurrent streams for http2 .SH SYNOPSIS .nf #include CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_MAX_CONCURRENT_STREAMS, long max); .fi .SH DESCRIPTION Pass a long indicating the \fBmax\fP. 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. .SH DEFAULT 100 .SH PROTOCOLS All .SH EXAMPLE .nf int main(void) { CURLM *m = curl_multi_init(); /* max concurrent streams 200 */ curl_multi_setopt(m, CURLMOPT_MAX_CONCURRENT_STREAMS, 200L); } .fi .SH AVAILABILITY Added in 7.67.0 .SH RETURN VALUE Returns CURLM_OK if the option is supported, and CURLM_UNKNOWN_OPTION if not. .SH "SEE ALSO" .BR CURLMOPT_MAXCONNECTS (3), .BR CURLOPT_MAXCONNECTS (3)