ExpTryAcquireResourceExclusive

CHAR __fastcall ExpTryAcquireResourceExclusive(INT64 a1){
  CHAR result; 
  if( *(_DWORD *)(a1 + 64) )
    return 0;
  *(_WORD *)(a1 + 26) |= 0x80u;
  result = 1;
  *(_WORD *)(a1 + 24) = 1;
  *(_DWORD *)(a1 + 64) = 1;
  return result;
}

Referenced by:

ExAcquireFastResourceExclusive
ExAcquireResourceExclusiveLite
ExpTryToAcquireResourceExclusiveLite