/* @(#) resetshell.c: 1.1 10/15/83 (1.36 3/18/83) */ #include "curses.ext" #include "../local/uparm.h" extern struct term *cur_term; #ifdef DIOCSETT /* * Disable CB/UNIX virtual terminals. * This really should be a field in the cur_term structure, but * I didn't do it that way because I'm trying to make ex fit. * If you're using virtual terminals on a 32 bit machine it * probably makes sense to change it. */ static struct termcb new, old; #endif #ifdef LTILDE static int newlmode, oldlmode; #endif /* * Getting the baud rate is different on the two systems. * In either case, a baud rate of 0 hangs up the phone. * Since things are often initialized to 0, getting the phone * hung up on you is a common result of a bug in your program. * This is not very friendly, so if the baud rate is 0, we * assume we're doing a reset_xx_mode with no def_xx_mode, and * just don't do anything. */ #ifdef USG #define BR(x) (cur_term->x.c_cflag&CBAUD) #else #define BR(x) (cur_term->x.sg_ispeed) #endif reset_shell_mode() { #ifdef DIOCSETT /* * Restore any virtual terminal setting. This must be done * before the TIOCSETN because DIOCSETT will clobber flags like xtabs. */ old.st_flgs |= TM_SET; ioctl(2, DIOCSETT, &old); #endif if (BR(Ottyb)) { ioctl(cur_term -> Filedes, #ifdef USG TCSETAW, #else TIOCSETN, #endif &(cur_term->Ottyb)); # ifdef LTILDE if (newlmode != oldlmode) ioctl(cur_term -> Filedes, TIOCLSET, &oldlmode); # endif } }