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* dcrt0.cc (dll_crt0_0): Call tty_list::init_session here.

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(dll_crt0_1): Reflect renaming from tty_init to tty::init_session.
(do_exit): Reflect moving of tty_terminate into tty_list.
* exceptions.cc (events_init): Move tty_mutex stuff elsewhere.
* fhandler_console.cc (set_console_title): Use lock_ttys class.
* fhandler_termios.cc (fhandler_termios::bg_check): Make debug output more
accurate.
* fhandler_tty.cc (fhandler_tty_slave::open): Reflect move of attach_tty into
tty_list class.  Don't attempt to grab master end of pty if master doesn't
exist.
(fhandler_pty_master::open): Reflect move of allocate_tty into tty_list class.
Use lock_ttys::release to release mutex.  Improve debugging output.
(fhandler_pty_master::setup): Remove if 0'ed block.  Fix argument to
SetNamedPipeHandleState.
* pinfo.cc (_pinfo::set_ctty): Lock ttys before setting sid/pgid.  Improve
debugging.  Add temporary debugging.
* tty.cc (tty_list::init_session): New function.
(tty::init_session): Rename from tty_init.  Reflect move of attach_tty to
tty_list class.
(tty::create_master): Rename from create_tty_master.
(tty_list::attach): Rename from attach_tty.  Reflect renaming of connect_tty to
connect.  Ditto for allocate_tty.
(tty_terminate): Delete.
(tty_list::terminate): Subsume tty_terminate.  Use lock_ttys rather than
manipulating mutex directly.
(tty_list::allocate): Rename from allocate_tty.  Use lock_ttys rather than
manipulating mutex directly.  Don't set sid here since linux apparently doesn't
do this.  Reflect move of create_tty_master into tty.
(lock_ttys::lock_ttys): Define new constructor.
(lock_ttys::release): New function.
* tty.h (tty::exists): Return false immediately if !master_pid.
(tty::set_master_closed): Define new function.
(tty::create_master): Ditto.
(tty::init_session): Ditto.
(tty_list::mutex): New field.
(tty_list::allocate): Define new function.
(tty_list::connect): Ditto.
(tty_list::attach): Ditto.
(tty_list::init_session): Ditto.
(lock_ttys): New class.
(tty_init): Delete declaration.
(tty_terminate): Ditto.
(attach_tty): Ditto.
(create_tty_master): Ditto.
This commit is contained in:
Christopher Faylor
2006-06-03 20:32:07 +00:00
parent a615ed8023
commit 71d59a926f
9 changed files with 157 additions and 77 deletions
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14
winsup/cygwin/pinfo.cc
View File

@@ -331,14 +331,20 @@ _pinfo::set_ctty (tty_min *tc, int flags, fhandler_tty_slave *arch)
if ((ctty < 0 || ctty == tc->ntty) && !(flags & O_NOCTTY))
{
ctty = tc->ntty;
syscall_printf ("attached %s sid %d, pid %d, tty->pgid %d, tty->sid %d",
__ctty (), sid, pid, pgid, tc->getsid ());
lock_ttys here;
syscall_printf ("attaching %s sid %d, pid %d, pgid %d, tty->pgid %d, tty->sid %d",
__ctty (), sid, pid, pgid, tc->getpgid (), tc->getsid ());
pinfo p (tc->getsid ());
if (sid == pid && (!p || p->pid == pid || !p->exists ()))
{
#ifdef DEBUGGING
debug_printf ("resetting %s sid. Was %d, now %d. pgid was %d, now %d.",
__ctty (), tc->getsid (), sid, tc->getpgid (), pgid);
#else
paranoid_printf ("resetting %s sid. Was %d, now %d. pgid was %d, now %d.",
__ctty (), tc->getsid (), sid, tc->getpgid (), pgid);
#endif
/* We are the session leader */
tc->setsid (sid);
tc->setpgid (pgid);
@@ -346,7 +352,9 @@ _pinfo::set_ctty (tty_min *tc, int flags, fhandler_tty_slave *arch)
else
sid = tc->getsid ();
if (tc->getpgid () == 0)
tc->setpgid (pgid);
{debug_printf ("setting pgid to %d", pgid);
tc->setpgid (pgid);
}
if (cygheap->ctty != arch)
{
debug_printf ("cygheap->ctty %p, arch %p", cygheap->ctty, arch);