}

// Copy creates a duplicate of security identifier SID.
func (sid *SID) Copy() (*SID, error) {
	b := make([]byte, sid.Len())
	sid2 := (*SID)(unsafe.Pointer(&b[0]))
	e := CopySid(uint32(len(b)), sid2, sid)
	if e != nil {
		return nil, e
	}
	return sid2, nil
}

// IdentifierAuthority returns the identifier authority of the SID.
func (sid *SID) IdentifierAuthority() SidIdentifierAuthority {

	}

	// Validate that the M we're stealing from is what we expect.
	mid := ThreadID(ev.args[2]) // The M we're stealing from.

	newCtx := curCtx
	if mid == curCtx.M {
		// We're stealing from ourselves. This behaves like a ProcStop.
		if curCtx.P != pid {
			return curCtx, false, fmt.Errorf("tried to self-steal proc %d (thread %d), but got proc %d instead", pid, mid, curCtx.P)
		}
		newCtx.P = NoProc

	}
	if c.id2 != (cache.ActionID{}) {
		if cache.DebugTest {
			fmt.Fprintf(os.Stderr, "testcache: %s: save test ID %x => input ID %x => %x\n", a.Package.ImportPath, c.id2, testInputsID, testAndInputKey(c.id2, testInputsID))
		}
		cache.PutNoVerify(cache.Default(), c.id2, bytes.NewReader(testlog))
		cache.PutNoVerify(cache.Default(), testAndInputKey(c.id2, testInputsID), bytes.NewReader(a.TestOutput.Bytes()))