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d6f62a1178
Restrict fetching group account entries from user token groups by timeout_ns 100ns-intervals. Add preceding comment to explain why. * pwdgrp.h (internal_getgroups): Align prototype. * times.cc (GetTickCount_ns): New function. * uinfo.cc (internal_getlogin): Call internal_getgroups wih 300ms timeout. * winsup.h (GetTickCount_ns): Declare.
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