591                 int fileno,  in setup_output()  argument
611         if (fileno == STDOUT_FILENO && params->stdout_fd >= 0) {  in setup_output()
619         if (fileno == STDERR_FILENO && params->stderr_fd >= 0) {  in setup_output()
629         if (fileno == STDERR_FILENO) {  in setup_output()
642                         return fileno;  in setup_output()
646                         return RET_NERRNO(dup2(STDOUT_FILENO, fileno));  in setup_output()
653                         return open_terminal_as(exec_context_tty_path(context), O_WRONLY, fileno);  in setup_output()
657                         return RET_NERRNO(dup2(STDIN_FILENO, fileno));  in setup_output()
661                         return fileno;  in setup_output()
664                 return open_null_as(O_WRONLY, fileno);  in setup_output()
670                 return open_null_as(O_WRONLY, fileno);  in setup_output()
674                         return RET_NERRNO(dup2(STDIN_FILENO, fileno));  in setup_output()
677                 return open_terminal_as(exec_context_tty_path(context), O_WRONLY, fileno);  in setup_output()
683                 r = connect_logger_as(unit, context, params, o, ident, fileno, uid, gid);  in setup_output()
686                                                fileno == STDOUT_FILENO ? "stdout" : "stderr");  in setup_output()
687                         r = open_null_as(O_WRONLY, fileno);  in setup_output()
698                         if (fstat(fileno, &st) >= 0 &&  in setup_output()
699                             (*journal_stream_ino == 0 || fileno == STDERR_FILENO)) {  in setup_output()
709                 return RET_NERRNO(dup2(socket_fd, fileno));  in setup_output()
712                 assert(named_iofds[fileno] >= 0);  in setup_output()
714                 (void) fd_nonblock(named_iofds[fileno], false);  in setup_output()
715                 return RET_NERRNO(dup2(named_iofds[fileno], fileno));  in setup_output()
723                 assert(context->stdio_file[fileno]);  in setup_output()
726                         streq_ptr(context->stdio_file[fileno], context->stdio_file[STDIN_FILENO]);  in setup_output()
729                         return RET_NERRNO(dup2(STDIN_FILENO, fileno));  in setup_output()
737                 fd = acquire_path(context->stdio_file[fileno], flags, 0666 & ~context->umask);  in setup_output()
741                 return move_fd(fd, fileno, 0);  in setup_output()