// Close will release all of the objects and memory needed to process debug
// messages from other processes.
func (r *OutputDebugStringReceiver) Close() error {
	if nil == r.err {
		r.done <- struct{}{}
		<-r.completed
	}

	var result, err error
	result = r.dataReadyEvent.Close()

	err = r.bufferReadyEvent.Close()
	if nil != result {
		result = err
	}

	if 0 != r.view {
		err = windows.UnmapViewOfFile(r.view)
		if nil != result {
			result = err
		}
	}

	if windows.InvalidHandle != r.buffer {
		err = windows.CloseHandle(r.buffer)
		if nil != result {
			result = err
		}
	}

	return result
}
Esempio n. 2
0
func munmap(b []byte) (err error) {
	m := memoryMap(b)
	dh := m.header()

	addr := dh.Data
	length := uintptr(dh.Len)

	flush(addr, length)
	err = windows.UnmapViewOfFile(addr)
	if err != nil {
		return err
	}

	handleLock.Lock()
	defer handleLock.Unlock()
	handle, ok := handleMap[addr]
	if !ok {
		// should be impossible; we would've errored above
		return errors.New("unknown base address")
	}
	delete(handleMap, addr)

	e := windows.CloseHandle(windows.Handle(handle))
	return os.NewSyscallError("CloseHandle", e)
}