diff options
| author | Justus Winter <4winter@informatik.uni-hamburg.de> | 2014-11-04 18:46:42 +0100 |
|---|---|---|
| committer | Justus Winter <4winter@informatik.uni-hamburg.de> | 2014-12-09 09:34:51 +0100 |
| commit | 8c4d15d5b824fd02bd6909f6d254828732f3bb7b (patch) | |
| tree | c5d9448587d673d2c211b26c459868e19bc62c5c /include/mach | |
| parent | 8214da0d2e0e6f01b17c9d1dc1608f0ec3cf3be4 (diff) | |
kern: provide notifications about new tasks
These notifications are sent to the port registered via
`register_new_task_notification' and provide a robust parental
relation between tasks to a userspace server.
* Makefrag.am: Add task_notify.defs.
* include/mach/gnumach.defs: Add register_new_task_notification.
* include/mach/task_notify.defs: New file.
* kern/task.c (new_task_notification): New variable.
(task_create): Send new task notifications.
(register_new_task_notification): Add server function.
* kern/task_notify.cli: New file.
Diffstat (limited to 'include/mach')
| -rw-r--r-- | include/mach/gnumach.defs | 8 | ||||
| -rw-r--r-- | include/mach/task_notify.defs | 36 |
2 files changed, 44 insertions, 0 deletions
diff --git a/include/mach/gnumach.defs b/include/mach/gnumach.defs index 6cfbb0d..bac3b09 100644 --- a/include/mach/gnumach.defs +++ b/include/mach/gnumach.defs @@ -72,3 +72,11 @@ simpleroutine thread_terminate_release( simpleroutine task_set_name( task : task_t; name : kernel_debug_name_t); + +/* + * Register a port to which a notification about newly created tasks + * are sent. + */ +routine register_new_task_notification( + host_priv : host_priv_t; + notification : mach_port_send_t); diff --git a/include/mach/task_notify.defs b/include/mach/task_notify.defs new file mode 100644 index 0000000..5485d4e --- /dev/null +++ b/include/mach/task_notify.defs @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2014 Free Software Foundation + * + * This program 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 of the License, or + * (at your option) any later version. + * + * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. + */ + +subsystem +#if KERNEL_SERVER + KernelServer +#endif /* KERNEL_SERVER */ +#if KERNEL_USER + KernelUser +#endif /* KERNEL_USER */ + task_notify 4400; + +#include <mach/std_types.defs> +#include <mach/mach_types.defs> + +/* These notifications are sent to the port registered via + `register_new_task_notification' and provide a robust parental + relation between tasks. */ +simpleroutine mach_notify_new_task( + notify : mach_port_t; + task : task_t; + parent : task_t); |