> -----Original Message----- > From: Raaf [mailto:[EMAIL PROTECTED] > Sent: Friday, 13 October 2006 7:36 AM > To: freebsd-questions@freebsd.org > Cc: Murray Taylor > Subject: Re: Question re ncurses and the various ttys > > > Hi all > > > > I've been digging around in the various man pages and > havent yet found > > the > > incantations I require. > > > > Goal: to create a curses driven status screen that can run > without user > > intervention. > > > > I want to know if it is possible to _programatically_ switch to an > > unused > > virtual tty, > > Yes it is certainly possible, i have done this recently > myself and like > you i couldn't find how to do it in any man page. Fortunately > i could find > the answer in the xorg-server source code. > > You just open one of the virtual terminals and issue the VT_ACTIVATE > ioctl: > > fd = open("/dev/ttyv9",O_RDONLY); > ioctl(fd,VT_ACTIVATE,10); > > > and then use this as the display page. > > ( By unused I mean marked 'off' in /etc/ttys ) > > > Well, the above code only switches the active vt... > > If you want your program output to go to a certain vt you > probably have > to open the specific vt and replace the stdin and stdout file > descriptors > of your program with the one of the one of the vt you just opened. > > But there are probably some caveats to this method, so best > is to take a > look at the getty source code and maybe add your program to /etc/ttys. >
Thank you - this is probably the incantation I need along with the curses newterm / setterm calls cheers mjt --------------------------------------------------------------- The information transmitted in this e-mail is for the exclusive use of the intended addressee and may contain confidential and/or privileged material. Any review, re-transmission, dissemination or other use of it, or the taking of any action in reliance upon this information by persons and/or entities other than the intended recipient is prohibited. If you received this in error, please inform the sender and/or addressee immediately and delete the material. E-mails may not be secure, may contain computer viruses and may be corrupted in transmission. Please carefully check this e-mail (and any attachment) accordingly. No warranties are given and no liability is accepted for any loss or damage caused by such matters. --------------------------------------------------------------- ### This e-mail message has been scanned for Viruses by Bytecraft ### _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
