CURLSHOPT_USERDATA(3) Library Functions Manual CURLSHOPT_USERDATA(3)
NAME
CURLSHOPT_USERDATA - pointer passed to the lock and unlock mutex callbacks
SYNOPSIS
#include <curl/curl.h> CURLSHcode curl_share_setopt(CURLSH *share, CURLSHOPT_USERDATA, void *clientp);
DESCRIPTION
The clientp parameter is held verbatim by libcurl and is passed on as the clientp argument to the callbacks set with CURLSHOPT_LOCKFUNC(3) and CURLSHOPT_UNLOCKFUNC(3).
PROTOCOLS
This functionality affects all supported protocols
EXAMPLE
struct secrets { void *custom; }; int main(void) { CURLSHcode sh; struct secrets private_stuff; CURLSH *share = curl_share_init(); sh = curl_share_setopt(share, CURLSHOPT_USERDATA, &private_stuff); if(sh) printf("Error: %s\n", curl_share_strerror(sh)); }
AVAILABILITY
Added in curl 7.10.3
RETURN VALUE
CURLSHE_OK (zero) means that the option was set properly, non-zero means an error occurred. See libcurl-errors(3) for the full list with descriptions.
SEE ALSO
CURLSHOPT_LOCKFUNC(3), curl_share_cleanup(3), curl_share_init(3), curl_share_setopt(3) libcurl 2024-08-05 CURLSHOPT_USERDATA(3)
curl 8.9.1 - Generated Wed Aug 7 15:28:33 CDT 2024