curl_share_cleanup(3) libcurl Manual curl_share_cleanup(3)NAME
curl_share_cleanup - Clean up a shared object
SYNOPSIS
#include <curl/curl.h>
CURLSHcode curl_share_cleanup(CURLSH *share_handle);
DESCRIPTION
This function deletes a shared object. The share handle cannot be used anymore when this function has been called.
RETURN VALUE
CURLSHE_OK (zero) means that the option was set properly, non-zero means an error occurred as <curl/curl.h> defines. See the libcurl-
errors.3 man page for the full list with descriptions. If an error occurs, then the share object will not be deleted.
SEE ALSO curl_share_init(3), curl_share_setopt(3)libcurl 7.10.7 8 Aug 2003 curl_share_cleanup(3)
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curl_share_setopt(3) libcurl Manual curl_share_setopt(3)NAME
curl_share_setopt - Set options for a shared object
SYNOPSIS
#include <curl/curl.h>
CURLSHcode curl_share_setopt(CURLSH *share, CURLSHoption option, parameter);
DESCRIPTION
Set the option to parameter for the given share.
OPTIONS
CURLSHOPT_LOCKFUNC
The parameter must be a pointer to a function matching the following prototype:
void lock_function(CURL *handle, curl_lock_data data, curl_lock_access access, void *userptr);
data defines what data libcurl wants to lock, and you must make sure that only one lock is given at any time for each kind of data.
access defines what access type libcurl wants, shared or single.
userptr is the pointer you set with CURLSHOPT_USERDATA.
CURLSHOPT_UNLOCKFUNC
The parameter must be a pointer to a function matching the following prototype:
void unlock_function(CURL *handle, curl_lock_data data, void *userptr);
data defines what data libcurl wants to unlock, and you must make sure that only one lock is given at any time for each kind of
data.
userptr is the pointer you set with CURLSHOPT_USERDATA.
CURLSHOPT_SHARE
The parameter specifies a type of data that should be shared. This may be set to one of the values described below.
CURL_LOCK_DATA_COOKIE
Cookie data will be shared across the easy handles using this shared object.
CURL_LOCK_DATA_DNS
Cached DNS hosts will be shared across the easy handles using this shared object. Note that when you use the multi interface,
all easy handles added to the same multi handle will share DNS cache by default without this having to be used!
CURLSHOPT_UNSHARE
This option does the opposite of CURLSHOPT_SHARE. It specifies that the specified parameter will no longer be shared. Valid values
are the same as those for CURLSHOPT_SHARE.
CURLSHOPT_USERDATA
The parameter allows you to specify a pointer to data that will be passed to the lock_function and unlock_function each time it is
called.
RETURN VALUE
CURLSHE_OK (zero) means that the option was set properly, non-zero means an error occurred as <curl/curl.h> defines. See the libcurl-
errors.3 man page for the full list with descriptions.
SEE ALSO curl_share_cleanup(3), curl_share_init(3)libcurl 7.10.7 8 Aug 2003 curl_share_setopt(3)
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