diff options
Diffstat (limited to 'winsup/cygwin/pinfo.cc')
| -rw-r--r-- | winsup/cygwin/pinfo.cc | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/winsup/cygwin/pinfo.cc b/winsup/cygwin/pinfo.cc index a0419c8..b0f58b4 100644 --- a/winsup/cygwin/pinfo.cc +++ b/winsup/cygwin/pinfo.cc @@ -254,6 +254,36 @@ pinfo::set_acl() debug_printf ("SetKernelObjectSecurity %E"); } +void +_pinfo::set_ctty (tty_min *tc, int flags, fhandler_tty_slave *fhctty) +{ + int initial_ctty = ctty; + if ((ctty < 0 || ctty == tc->ntty) && !(flags & O_NOCTTY)) + { + ctty = tc->ntty; + syscall_printf ("attached tty%d sid %d, pid %d, tty->pgid %d, tty->sid %d", + tc->ntty, sid, pid, pgid, tc->getsid ()); + + pinfo p (tc->getsid ()); + if (sid == pid && (!p || p->pid == pid || !proc_exists (p))) + { + paranoid_printf ("resetting tty%d sid. Was %d, now %d. pgid was %d, now %d.", + tc->ntty, tc->getsid (), sid, tc->getpgid (), pgid); + /* We are the session leader */ + tc->setsid (sid); + tc->setpgid (pgid); + } + else + sid = tc->getsid (); + if (tc->getpgid () == 0) + tc->setpgid (pgid); + if (fhctty) + cygheap->ctty = *fhctty; + else if (initial_ctty < 0) + assert (cygheap->ctty.get_io_handle () == NULL); + } +} + bool _pinfo::alive () { |