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curl_multi_setopt(3)            libcurl Manual            curl_multi_setopt(3)

NAME

curl_multi_setopt - set options for a curl multi handle

SYNOPSIS

#include <curl/curl.h> CURLMcode curl_multi_setopt(CURLM *multi_handle, CURLMoption option, param);

DESCRIPTION

curl_multi_setopt(3) is used to tell a libcurl multi handle how to behave. By using the appropriate options to curl_multi_setopt(3), you can change libcurl's behavior when using that multi handle. All options are set with the option followed by the parameter param. That parameter can be a long, a function pointer, an object pointer or a curl_off_t type, depending on what the specific option expects. Read this manual carefully as bad input values may cause libcurl to behave badly. You can only set one option in each function call.

OPTIONS

CURLMOPT_CHUNK_LENGTH_PENALTY_SIZE See CURLMOPT_CHUNK_LENGTH_PENALTY_SIZE(3) CURLMOPT_CONTENT_LENGTH_PENALTY_SIZE See CURLMOPT_CONTENT_LENGTH_PENALTY_SIZE(3) CURLMOPT_MAX_HOST_CONNECTIONS See CURLMOPT_MAX_HOST_CONNECTIONS(3) CURLMOPT_MAX_PIPELINE_LENGTH See CURLMOPT_MAX_PIPELINE_LENGTH(3) CURLMOPT_MAX_TOTAL_CONNECTIONS See CURLMOPT_MAX_TOTAL_CONNECTIONS(3) CURLMOPT_MAXCONNECTS See CURLMOPT_MAXCONNECTS(3) CURLMOPT_PIPELINING See CURLMOPT_PIPELINING(3) CURLMOPT_PIPELINING_SITE_BL See CURLMOPT_PIPELINING_SITE_BL(3) CURLMOPT_PIPELINING_SERVER_BL See CURLMOPT_PIPELINING_SERVER_BL(3) CURLMOPT_PUSHFUNCTION See CURLMOPT_PUSHFUNCTION(3) CURLMOPT_PUSHDATA See CURLMOPT_PUSHDATA(3) CURLMOPT_SOCKETFUNCTION See CURLMOPT_SOCKETFUNCTION(3) CURLMOPT_SOCKETDATA See CURLMOPT_SOCKETDATA(3) CURLMOPT_TIMERFUNCTION See CURLMOPT_TIMERFUNCTION(3) CURLMOPT_TIMERDATA See CURLMOPT_TIMERDATA(3) CURLMOPT_MAX_CONCURRENT_STREAMS See CURLMOPT_MAX_CONCURRENT_STREAMS(3)

EXAMPLE

/* Limit the amount of simultaneous connections curl should allow: */ curl_multi_setopt(handle, CURLMOPT_MAXCONNECTS, (long)MAX_PARALLEL);

AVAILABILITY

Added in 7.15.4

RETURN VALUE

The standard CURLMcode for multi interface error codes. Note that it returns a CURLM_UNKNOWN_OPTION if you try setting an option that this version of libcurl does not know of.

SEE ALSO

curl_multi_cleanup(3), curl_multi_init(3), curl_multi_socket(3), curl_multi_info_read(3) libcurl 7.83.1 November 26, 2021 curl_multi_setopt(3)

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