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CURLMOPT_M...INE_LENGTH(3) Library Functions Manual CURLMOPT_M...INE_LENGTH(3) NAME CURLMOPT_MAX_PIPELINE_LENGTH - maximum number of requests in a pipeline SYNOPSIS #include <curl/curl.h> CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_MAX_PIPELINE_LENGTH, long max); DESCRIPTION No function since pipelining was removed in 7.62.0. Pass a long. The set max number is used as the maximum amount of outstand- ing requests in an HTTP/1.1 pipeline. This option is only used for HTTP/1.1 pipelining, not for HTTP/2 multiplexing. When this limit is reached, libcurl creates another connection to the same host (see CURLMOPT_MAX_HOST_CONNECTIONS(3)), or queue the request until one of the pipelines to the host is ready to accept a request. Thus, the total CURLMOPT_MAX_PIPELINE_LENGTH(3). DEFAULT 5 PROTOCOLS This functionality affects all supported protocols EXAMPLE int main(void) { CURLM *m = curl_multi_init(); /* set a more conservative pipe length */ curl_multi_setopt(m, CURLMOPT_MAX_PIPELINE_LENGTH, 3L); } AVAILABILITY Added in curl 7.30.0 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_MAX_HOST_CONNECTIONS(3), CURLMOPT_PIPELINING(3) libcurl 2026-06-11 CURLMOPT_M...INE_LENGTH(3)
NAME | SYNOPSIS | DESCRIPTION | DEFAULT | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
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