CURLSHOPT_USERDATA - Man Page
pointer passed to the lock and unlock mutex callbacks
Synopsis
#include <curl/curl.h> CURLSHcode curl_share_setopt(CURLSH *share, CURLSHOPT_USERDATA, void *ptr);
Description
The ptr parameter is held verbatim by libcurl and is passed on as the userptr argument to the callbacks set with CURLSHOPT_LOCKFUNC(3) and CURLSHOPT_UNLOCKFUNC(3).
Protocols
All
Example
CURLSHcode sh; struct secrets private_stuff; 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 7.10
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_setopt(3), curl_share_cleanup(3), curl_share_init(3)
Referenced By
September 20, 2022 libcurl 7.87.0 libcurl Manual