libcurl Manual curl_share_setopt(3)
NAME
curl_share_setopt - Set options for a shared object
SYNOPSIS
#include
CURLSHcode curl_share_setopt(CURLSH *share, CURLSHoption
option, parameter);DESCRIPTION
Set the option to parameter for the given share. OPTIONSCURLSHOPT_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
libcurl 7.10.7 Last change: 8 Aug 2003 1libcurl Manual curl_share_setopt(3)
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 forCURLSHOPT_SHARE.
CURLSHOPT_USERDATA
The parameter allows you to specify a pointer to datathat will be passed to the lock_function and
unlock_function each time it is called.
RETURN VALUECURLSHE_OK (zero) means that the option was set properly,
non-zero means an error occurred as
defines. See the libcurl-errors.3 man page for the full list with
descriptions.SEE ALSO
curl_share_cleanup(3), curl_share_init(3)
ATTRIBUTES
See attributes(5) for descriptions of the following attri-
butes:_______________________________________
| ATTRIBUTE TYPE | ATTRIBUTE VALUE|
|____________________|__________________|_
| Availability | web/curl ||____________________|__________________|_
| Interface Stability| Uncommitted ||____________________|_________________|
NOTESSource for C-URL is available on http://opensolaris.org.
libcurl 7.10.7 Last change: 8 Aug 2003 2