diff options
Diffstat (limited to 'proc/notify.c')
-rw-r--r-- | proc/notify.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/proc/notify.c b/proc/notify.c new file mode 100644 index 00000000..07fc376d --- /dev/null +++ b/proc/notify.c @@ -0,0 +1,105 @@ +/* Handle notifications + Copyright (C) 1992, 1993, 1994, 1996, 1999 Free Software Foundation, Inc. + +This file is part of the GNU Hurd. + +The GNU Hurd is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +The GNU Hurd is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with the GNU Hurd; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Written by Michael I. Bushnell. */ + +#include <mach.h> +#include <sys/types.h> +#include <hurd/hurd_types.h> +#include <mach/notify.h> +#include <stdio.h> +#include <sys/wait.h> +#include <signal.h> +#include <errno.h> +#include <stdlib.h> + +#include "proc.h" +#include "notify_S.h" + +/* We ask for dead name notifications to detect when tasks and + message ports die. Both notifications get sent to the process + port. */ +kern_return_t +do_mach_notify_dead_name (mach_port_t notify, + mach_port_t deadport) +{ + struct proc *p; + + /* Drop gratuitous extra reference that the notification creates. */ + mach_port_deallocate (mach_task_self (), deadport); + + if (notify == generic_port) + { + check_dead_execdata_notify (deadport); + return 0; + } + + p = ports_lookup_port (proc_bucket, notify, proc_class); + + if (!p) + return EOPNOTSUPP; + + if (p->p_task == deadport) + { + process_has_exited (p); + ports_port_deref (p); + return 0; + } + else + { + ports_port_deref (p); + return EINVAL; + } +} + +/* We get no-senders notifications on exception ports that we + handle through proc_handle_exceptions. */ +kern_return_t +do_mach_notify_no_senders (mach_port_t notify, + mach_port_mscount_t mscount) +{ + return ports_do_mach_notify_no_senders (notify, mscount); +} + +kern_return_t +do_mach_notify_port_deleted (mach_port_t notify, + mach_port_t name) +{ + return 0; +} + +kern_return_t +do_mach_notify_msg_accepted (mach_port_t notify, + mach_port_t name) +{ + return 0; +} + +kern_return_t +do_mach_notify_port_destroyed (mach_port_t notify, + mach_port_t name) +{ + return 0; +} + +kern_return_t +do_mach_notify_send_once (mach_port_t notify) +{ + return 0; +} |