67 static int logfile_fd = INVALID_FD;  variable
110   if (logfile_fd != INVALID_FD) close(logfile_fd);  in shut_down()
111   logfile_fd = INVALID_FD;  in shut_down()
134   if (logfile_fd == INVALID_FD) return;  in capture()
192   if (logfile_fd != INVALID_FD) {  in open_next_snoop_file()
193     close(logfile_fd);  in open_next_snoop_file()
194     logfile_fd = INVALID_FD;  in open_next_snoop_file()
207   logfile_fd = open(log_path, O_WRONLY | O_CREAT | O_TRUNC,  in open_next_snoop_file()
210   if (logfile_fd == INVALID_FD) {  in open_next_snoop_file()
216   write(logfile_fd, "btsnoop\0\0\0\0\1\0\0\x3\xea", 16);  in open_next_snoop_file()
272   if (logfile_fd != INVALID_FD) {  in btsnoop_write_packet()
280     TEMP_FAILURE_RETRY(writev(logfile_fd, iov, 2));  in btsnoop_write_packet()