spike_main/termios-xspike.cc

   1 // See LICENSE for license details.
   2
   3 // termios-xspike sets up a canonical terminal and blocks forever.
   4 // It allows us to send Ctrl-C etc. to the target machine.
   5
   6 #include <unistd.h>
   7 #include <termios.h>
   8 #include <signal.h>
   9 #include <assert.h>
  10 #include <stdlib.h>
  11 #include <stdio.h>
  12
  13 int main()
  14 {
  15   struct termios old_tios;
  16   if (tcgetattr(0, &old_tios) < 0)
  17     return -1;
  18
  19   signal(SIGTERM, [](int) { });
  20
  21   struct termios new_tios = old_tios;
  22   new_tios.c_lflag &= ~(ICANON | ECHO | ISIG);
  23   if (tcsetattr(0, TCSANOW, &new_tios) < 0)
  24     return -1;
  25
  26   pause();
  27
  28   return tcsetattr(0, TCSANOW, &old_tios);
  29 }