AREANeedToSyncCallback
Description
This function determines whether the user information in the server cache is invalid. The AR System server periodically checks with the AREA plug-in to determine whether any in-memory copies of user information have expired. The plug-in server calls this function if it receives an authentication request from the server at least five minutes since the last authentication request.
To be thread-safe, your plug-in must protect any global information or resources accessed here with appropriate mutual exclusion locks.
A nonzero return value instructs the AR System server to expire its internally stored user information.
Synopsis
#include "area.h"
int AREANeedToSyncCallback(
void *object)
Input arguments
object
Pointer to the plug-in instance that the call to ARPluginCreateInstance returns.
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