func open(name string) (p *port, err error) {
fd, err := poller.Open(name, poller.O_RW)
if err != nil {
return nil, newErr("open: " + err.Error())
}
if err := fd.Lock(); err != nil {
return nil, ErrClosed
}
defer fd.Unlock()
// Get attributes
var tiosOrig termios.Termios
err = tiosOrig.GetFd(fd.Sysfd())
if err != nil {
return nil, newErr("tcgetattr: " + err.Error())
}
// ?? Set HUPCL ??
// tiosOrig.CFlag().Set(termios.HUPCL)
// err = tiosOrig.SetFd(fd.Sysfd(), termios.TCSANOW)
// if err != nil {
// return nil, newErr("tcsetattr: " + err.Error())
// }
noReset := !tiosOrig.CFlag().Any(termios.HUPCL)
// Set raw mode
tios := tiosOrig
tios.MakeRaw()
err = tios.SetFd(fd.Sysfd(), termios.TCSANOW)
if err != nil {
return nil, newErr("tcsetattr: " + err.Error())
}
return &port{fd: fd, origTermios: tiosOrig, noReset: noReset}, nil
}
func openFifo(t *testing.T, i int, read bool) *poller.FD {
name := fifoName(i)
flags := poller.O_RO
if !read {
flags = poller.O_WO
}
fd, err := poller.Open(name, flags)
if err != nil {
t.Fatalf("Open %s: %v", name, err)
}
return fd
}
// NewLoggerReader returns a new LoggerReader reading from the log stream
// identified by id. If abiExtension is not nil it is used to parse additional fields from
// a buffer read from Android's logging facilities.
//
// Returns an error if accessing the underlying Android log facilities fails.
func NewLoggerReader(id LogId, abiExtension LoggerAbiExtension) (*LoggerReader, error) {
fn := filepath.Join("/dev", "alog", id.String())
p, err := poller.Open(fn, poller.O_RO)
if err != nil {
return nil, err
}
p.Lock()
defer p.Unlock()
if abiExtension != nil {
if err = requestExtendedLoggerAbi(p.Sysfd()); err != nil {
return nil, err
}
}
return &LoggerReader{abiExtension: abiExtension, f: p, buf: make([]byte, maxEntrySize, maxEntrySize)}, nil
}
