1--- 2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 3SPDX-License-Identifier: curl 4Title: CURLMOPT_MAX_CONCURRENT_STREAMS 5Section: 3 6Source: libcurl 7See-also: 8 - CURLMOPT_MAXCONNECTS (3) 9 - CURLOPT_MAXCONNECTS (3) 10Protocol: 11 - HTTP 12Added-in: 7.67.0 13--- 14 15# NAME 16 17CURLMOPT_MAX_CONCURRENT_STREAMS - max concurrent streams for http2 18 19# SYNOPSIS 20 21~~~c 22#include <curl/curl.h> 23 24CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_MAX_CONCURRENT_STREAMS, 25 long max); 26~~~ 27 28# DESCRIPTION 29 30Pass a long indicating the **max**. The set number is used as the maximum 31number of concurrent streams libcurl should support on connections done using 32HTTP/2 or HTTP/3. 33 34Valid values range from 1 to 2147483647 (2^31 - 1) and defaults to 100. The 35value passed here would be honored based on other system resources properties. 36 37# DEFAULT 38 39100 40 41# %PROTOCOLS% 42 43# EXAMPLE 44 45~~~c 46int main(void) 47{ 48 CURLM *m = curl_multi_init(); 49 /* max concurrent streams 200 */ 50 curl_multi_setopt(m, CURLMOPT_MAX_CONCURRENT_STREAMS, 200L); 51} 52~~~ 53 54# %AVAILABILITY% 55 56# RETURN VALUE 57 58curl_multi_setopt(3) returns a CURLMcode indicating success or error. 59 60CURLM_OK (0) means everything was OK, non-zero means an error occurred, see 61libcurl-errors(3). 62