569         unique_fd* dead_sfd = PollLoop(&pfds);  in PassDataStreams()  local
570         if (dead_sfd) {  in PassDataStreams()
571             D("closing FD %d", dead_sfd->get());  in PassDataStreams()
573                 return pfd.fd == dead_sfd->get();  in PassDataStreams()
578             if (dead_sfd == &protocol_sfd_) {  in PassDataStreams()
594             dead_sfd->reset();  in PassDataStreams()
600     unique_fd* dead_sfd = nullptr;  in PollLoop()  local
606     while (!dead_sfd) {  in PollLoop()
620             dead_sfd = PassOutput(&stdinout_sfd_, ShellProtocol::kIdStdout);  in PollLoop()
624         if (!dead_sfd && stderr_pfd.fd != 1 && (stderr_pfd.revents & POLLIN)) {  in PollLoop()
625             dead_sfd = PassOutput(&stderr_sfd_, ShellProtocol::kIdStderr);  in PollLoop()
629         if (!dead_sfd && protocol_pfd.fd != -1 && (protocol_pfd.revents & POLLIN)) {  in PollLoop()
630             dead_sfd = PassInput();  in PollLoop()
639         if (!dead_sfd && stdinout_pfd.fd != -1 && (stdinout_pfd.revents & POLLOUT)) {  in PollLoop()
640             dead_sfd = PassInput();  in PollLoop()
668     return dead_sfd;  in PollLoop()