Linux, serial port, non-buffering mode

Question

I am trying to organize nob-blocking read-write functionality with serial port in Linux. Here is the code I have: http://pastebin.com/RSPw7HAi It all works fine, but it is b

Answer 1

Looks like I found out the solution.

/* set input mode (non-canonical, no echo,...) */
newtio.c_lflag = 0;

newtio.c_cc[VTIME]    = 0;   /* inter-character timer unused */
newtio.c_cc[VMIN]     = 1;   /* blocking read until 1 char received */

tcflush(fd, TCIFLUSH);
Taken from : http://tldp.org/HOWTO/Serial-Programming-HOWTO/x115.html