209     unique_fd stdinout_sfd_, stderr_sfd_, protocol_sfd_;  member in __anon0e077fa70111::Subprocess
470         if (!CreateSocketpair(&protocol_sfd_, &local_socket_sfd_)) {  in ConnectProtocolEndpoints()
475         D("protocol FD = %d", protocol_sfd_.get());  in ConnectProtocolEndpoints()
477         input_ = std::make_unique<ShellProtocol>(protocol_sfd_);  in ConnectProtocolEndpoints()
478         output_ = std::make_unique<ShellProtocol>(protocol_sfd_);  in ConnectProtocolEndpoints()
556     if (protocol_sfd_ == -1) {  in PassDataStreams()
564     pfds.protocol_pfd() = {.fd = protocol_sfd_.get(), .events = POLLIN};  in PassDataStreams()
568     while (protocol_sfd_ != -1 && (stdinout_sfd_ != -1 || stderr_sfd_ != -1)) {  in PassDataStreams()
578             if (dead_sfd == &protocol_sfd_) {  in PassDataStreams()
664             return &protocol_sfd_;  in PollLoop()
677                 PLOG(ERROR) << "error reading protocol FD " << protocol_sfd_.get();  in PassInput()
679             return &protocol_sfd_;  in PassInput()
752             PLOG(ERROR) << "error reading protocol FD " << protocol_sfd_.get();  in PassOutput()
754         return &protocol_sfd_;  in PassOutput()
784     if (protocol_sfd_ != -1) {  in WaitForExit()
791         protocol_sfd_.reset(-1);  in WaitForExit()