Provided by: libcurl4-doc_7.47.0-1ubuntu2.19_all bug

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!

              CURL_LOCK_DATA_SSL_SESSION
                     SSL session IDs will be shared across the easy  handles  using  this  shared
                     object.  This  will  reduce  the  time  spent  in  the  SSL  handshake  when
                     reconnecting to the same server. Note SSL session IDs are reused within  the
                     same easy handle by default.

       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)