// 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
}
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)
}