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68 lines
2.1 KiB
Groff
68 lines
2.1 KiB
Groff
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.\" generated by cd2nroff 0.1 from CURLOPT_SHARE.md
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.TH CURLOPT_SHARE 3 "March 15 2024" libcurl
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.SH NAME
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CURLOPT_SHARE \- share handle to use
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SHARE, CURLSH *share);
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.fi
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.SH DESCRIPTION
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Pass a \fIshare\fP handle as a parameter. The share handle must have been
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created by a previous call to \fIcurl_share_init(3)\fP. Setting this option,
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makes this curl handle use the data from the shared handle instead of keeping
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the data to itself. This enables several curl handles to share data. If the
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curl handles are used simultaneously in multiple threads, you \fBMUST\fP use
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the locking methods in the share handle. See \fIcurl_share_setopt(3)\fP for
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details.
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If you add a share that is set to share cookies, your easy handle uses that
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cookie cache and get the cookie engine enabled. If you stop sharing an object
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that was using cookies (or change to another object that does not share
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cookies), the easy handle gets its cookie engine disabled.
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Data that the share object is not set to share is dealt with the usual way, as
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if no share was used.
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Set this option to NULL again to stop using that share object.
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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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All
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.SH EXAMPLE
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.nf
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int main(void)
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{
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CURL *curl = curl_easy_init();
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CURL *curl2 = curl_easy_init(); /* a second handle */
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if(curl) {
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CURLcode res;
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CURLSH *shobject = curl_share_init();
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curl_share_setopt(shobject, CURLSHOPT_SHARE, CURL_LOCK_DATA_COOKIE);
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
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curl_easy_setopt(curl, CURLOPT_COOKIEFILE, "");
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curl_easy_setopt(curl, CURLOPT_SHARE, shobject);
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res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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/* the second handle shares cookies from the first */
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curl_easy_setopt(curl2, CURLOPT_URL, "https://example.com/second");
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curl_easy_setopt(curl2, CURLOPT_COOKIEFILE, "");
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curl_easy_setopt(curl2, CURLOPT_SHARE, shobject);
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res = curl_easy_perform(curl2);
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curl_easy_cleanup(curl2);
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curl_share_cleanup(shobject);
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}
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}
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.fi
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.SH AVAILABILITY
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Always
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.SH RETURN VALUE
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Returns CURLE_OK
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.SH SEE ALSO
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.BR CURLOPT_COOKIE (3),
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.BR CURLSHOPT_SHARE (3)
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