95 static int logfile_fd = INVALID_FD;  variable
240   if (logfile_fd != INVALID_FD) close(logfile_fd);  in shut_down()
241   logfile_fd = INVALID_FD;  in shut_down()
269   if (logfile_fd == INVALID_FD) return;  in capture()
379   if (logfile_fd != INVALID_FD) {  in open_next_snoop_file()
380     close(logfile_fd);  in open_next_snoop_file()
381     logfile_fd = INVALID_FD;  in open_next_snoop_file()
392   logfile_fd = open(log_path.c_str(), O_WRONLY | O_CREAT | O_TRUNC,  in open_next_snoop_file()
395   if (logfile_fd == INVALID_FD) {  in open_next_snoop_file()
401   write(logfile_fd, "btsnoop\0\0\0\0\1\0\0\x3\xea", 16);  in open_next_snoop_file()
495   if (logfile_fd != INVALID_FD) {  in btsnoop_write_packet()
503     TEMP_FAILURE_RETRY(writev(logfile_fd, iov, 2));  in btsnoop_write_packet()