/* * ptyint_void_association(): Void association with 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 gets called to set up the current process as a * session leader (hence, can't be called except from a process that * isn't already a session leader) and dissociates the controlling * terminal (if any) from the session. */ long ptyint_void_association(void) { int fd; #ifdef HAVE_SETSID (void) setsid(); #endif /* Void tty association first */ #ifdef TIOCNOTTY fd = open("/dev/tty", O_RDWR); if (fd >= 0) { ioctl(fd, TIOCNOTTY, 0); close(fd); } #endif return 0; }