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87 lines
3.8 KiB
Groff
87 lines
3.8 KiB
Groff
.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at https://curl.haxx.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" **************************************************************************
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.TH curl_share_setopt 3 "8 Aug 2003" "libcurl 7.10.7" "libcurl Manual"
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.SH NAME
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curl_share_setopt - Set options for a shared object
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.SH SYNOPSIS
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.B #include <curl/curl.h>
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.sp
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CURLSHcode curl_share_setopt(CURLSH *share, CURLSHoption option, parameter);
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.ad
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.SH DESCRIPTION
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Set the \fIoption\fP to \fIparameter\fP for the given \fIshare\fP.
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.SH OPTIONS
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.IP CURLSHOPT_LOCKFUNC
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The \fIparameter\fP must be a pointer to a function matching the following
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prototype:
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void lock_function(CURL *handle, curl_lock_data data, curl_lock_access access,
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void *userptr);
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\fIdata\fP defines what data libcurl wants to lock, and you must make sure that
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only one lock is given at any time for each kind of data.
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\fIaccess\fP defines what access type libcurl wants, shared or single.
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\fIuserptr\fP is the pointer you set with \fICURLSHOPT_USERDATA\fP.
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.IP CURLSHOPT_UNLOCKFUNC
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The \fIparameter\fP must be a pointer to a function matching the following
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prototype:
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void unlock_function(CURL *handle, curl_lock_data data, void *userptr);
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\fIdata\fP defines what data libcurl wants to unlock, and you must make sure
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that only one lock is given at any time for each kind of data.
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\fIuserptr\fP is the pointer you set with \fICURLSHOPT_USERDATA\fP.
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.IP CURLSHOPT_SHARE
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The \fIparameter\fP specifies a type of data that should be shared. This may
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be set to one of the values described below.
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.RS
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.IP CURL_LOCK_DATA_COOKIE
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Cookie data will be shared across the easy handles using this shared object.
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.IP CURL_LOCK_DATA_DNS
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Cached DNS hosts will be shared across the easy handles using this shared
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object. Note that when you use the multi interface, all easy handles added to
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the same multi handle will share DNS cache by default without this having to
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be used!
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.IP CURL_LOCK_DATA_SSL_SESSION
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SSL session IDs will be shared across the easy handles using this shared
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object. This will reduce the time spent in the SSL handshake when reconnecting
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to the same server. Note SSL session IDs are reused within the same easy handle
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by default. Note this symbol was added in 7.10.3 but was not implemented until
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7.23.0.
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.RE
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.IP CURLSHOPT_UNSHARE
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This option does the opposite of \fICURLSHOPT_SHARE\fP. It specifies that
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the specified \fIparameter\fP will no longer be shared. Valid values are
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the same as those for \fICURLSHOPT_SHARE\fP.
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.IP CURLSHOPT_USERDATA
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The \fIparameter\fP allows you to specify a pointer to data that will be passed
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to the lock_function and unlock_function each time it is called.
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.SH RETURN VALUE
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CURLSHE_OK (zero) means that the option was set properly, non-zero means an
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error occurred as \fI<curl/curl.h>\fP defines. See the \fIlibcurl-errors.3\fP
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man page for the full list with descriptions.
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.SH "SEE ALSO"
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.BR curl_share_cleanup "(3), " curl_share_init "(3)"
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