| Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1 | /* |
| 2 | |
| 3 | pty.h |
| 4 | |
| 5 | Author: Tatu Ylonen <ylo@cs.hut.fi> |
| 6 | |
| 7 | Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| 8 | All rights reserved |
| 9 | |
| 10 | Created: Fri Mar 17 05:03:28 1995 ylo |
| 11 | |
| 12 | Functions for allocating a pseudo-terminal and making it the controlling |
| 13 | tty. |
| 14 | |
| 15 | */ |
| 16 | |
| 17 | /* RCSID("$Id: pty.h,v 1.1 1999/10/27 03:42:44 damien Exp $"); */ |
| 18 | |
| 19 | #ifndef PTY_H |
| 20 | #define PTY_H |
| 21 | |
| 22 | /* Allocates and opens a pty. Returns 0 if no pty could be allocated, |
| 23 | or nonzero if a pty was successfully allocated. On success, open file |
| 24 | descriptors for the pty and tty sides and the name of the tty side are |
| 25 | returned (the buffer must be able to hold at least 64 characters). */ |
| 26 | int pty_allocate(int *ptyfd, int *ttyfd, char *ttyname); |
| 27 | |
| 28 | /* Releases the tty. Its ownership is returned to root, and permissions to |
| 29 | 0666. */ |
| 30 | void pty_release(const char *ttyname); |
| 31 | |
| 32 | /* Makes the tty the processes controlling tty and sets it to sane modes. |
| 33 | This may need to reopen the tty to get rid of possible eavesdroppers. */ |
| 34 | void pty_make_controlling_tty(int *ttyfd, const char *ttyname); |
| 35 | |
| 36 | /* Changes the window size associated with the pty. */ |
| 37 | void pty_change_window_size(int ptyfd, int row, int col, |
| 38 | int xpixel, int ypixel); |
| 39 | |
| 40 | #endif /* PTY_H */ |