Messages in this thread | | | From | (H. Peter Anvin) | Subject | Re: Out of ptys | Date | 17 Aug 1998 18:45:08 GMT |
| |
Followup to: <Pine.LNX.3.95.980817104046.3228A-100000@chaos.analogic.com> By author: "Richard B. Johnson" <root@chaos.analogic.com> In newsgroup: linux.dev.kernel > > open("/dev/ptyp1", O_RDWR) = -1 EIO (I/O error) > open("/dev/ptyp2", O_RDWR) = 3 > > ioctl(1, TCGETS, 0xbffff1dc) = -1 EINVAL (Invalid argument) > ioctl(2, TCGETS, 0xbffff1d0) = -1 EINVAL (Invalid argument) > > These are invalid because the first 2 opens failed. We don't have > fds 1 and 2, only 0 and 3. (3 was the pty). >
No, they are invalid because you don't have a stdout and stderr. open() doesn't work the way you seem to think here.
> > open("/dev/tty", O_RDWR) = -1 ENXIO (No such device or address) >
ENXIO on /dev/tty means you don't have a current tty. From the trace I suspect you have your /dev/ptyp*'s set up properly but your /dev/ttyp*'s are broken.
-hpa -- PGP: 2047/2A960705 BA 03 D3 2C 14 A8 A8 BD 1E DF FE 69 EE 35 BD 74 See http://www.zytor.com/~hpa/ for web page and full PGP public key I am Bahá'í -- ask me about it or see http://www.bahai.org/ "To love another person is to see the face of God." -- Les Misérables
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.altern.org/andrebalsa/doc/lkml-faq.html
| |