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Diffstat (limited to 'src/appl/libpty/open_ctty.c')
-rw-r--r-- | src/appl/libpty/open_ctty.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/src/appl/libpty/open_ctty.c b/src/appl/libpty/open_ctty.c deleted file mode 100644 index 9d6fb0d95..000000000 --- a/src/appl/libpty/open_ctty.c +++ /dev/null @@ -1,67 +0,0 @@ -/* - * pty_open_ctty: Open and establish controlling terminal. - * - * Copyright 1995, 1996 by the Massachusetts Institute of Technology. - * - * Permission to use, copy, modify, and distribute this software and - * its documentation for any purpose and without fee is hereby - * granted, provided that the above copyright notice appear in all - * copies and that both that copyright notice and this permission - * notice appear in supporting documentation, and that the name of - * M.I.T. not be used in advertising or publicity pertaining to - * distribution of the software without specific, written prior - * permission. Furthermore if you modify this software you must label - * your software as modified software and not distribute it in such a - * fashion that it might be confused with the original M.I.T. software. - * M.I.T. makes no representations about the suitability - * of this software for any purpose. It is provided "as is" without - * express or implied warranty. - * - */ - -#include "com_err.h" -#include "libpty.h" -#include "pty-int.h" - -/* - * This function will be called twice. The first time it will acquire - * a controlling terminal from which to vhangup() or revoke() (see - * comments in open_slave.c); the second time, it will be to open the - * actual slave device for use by the application. We no longer call - * ptyint_void_association(), as that will be called in - * pty_open_slave() to avoid spurious calls to setsid(), etc. - * - * It is assumed that systems where vhangup() exists and does break - * the ctty association will allow the slave to be re-acquired as the - * ctty. Also, if revoke() or vhangup() doesn't break the ctty - * association, we assume that we can successfully reopen the slave. - * - * This function doesn't check whether we actually acquired the ctty; - * we assume that the caller will check that, or that it doesn't - * matter in the particular case. - */ -long -pty_open_ctty(const char *slave, int *fd) -{ - -#ifdef ultrix - /* - * The Ultrix (and other BSD tty drivers) require the process - * group to be zero, in order to acquire the new tty as a - * controlling tty. This may actually belong in - * ptyint_void_association(). - */ - (void) setpgrp(0, 0); -#endif - *fd = open(slave, O_RDWR); - if (*fd < 0) - return PTY_OPEN_SLAVE_OPENFAIL; -#ifdef ultrix - setpgrp(0, getpid()); -#endif - -#ifdef TIOCSCTTY - ioctl(*fd, TIOCSCTTY, 0); /* Don't check return.*/ -#endif /* TIOCSTTY */ - return 0; -} |