NTSTATUS __stdcall PopAcquireRwLockShared(UINT64 a1){
_ETHREAD *CurrentThread;
NTSTATUS result;
CurrentThread = (_ETHREAD *)KeGetCurrentThread();
--CurrentThread->Tcb.KernelApcDisable;
ExAcquirePushLockSharedEx((_EX_PUSH_LOCK *)a1, 0i64);
return result;
}