UINT8 __fastcall RtlpHpAcquireLockShared(INT64 *a1, INT64 a2){
_ETHREAD *CurrentThread;
if( (_DWORD)a2 )
return ExAcquireSpinLockShared((PEX_SPIN_LOCK)a1);
CurrentThread = (_ETHREAD *)KeGetCurrentThread();
--*((_WORD *)CurrentThread + 243);
ExAcquirePushLockSharedEx((UINT64)a1, 0i64);
return -1;
}