1 | /* Cleanup function for `struct hurd_port' users. |
2 | Copyright (C) 1995-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <mach.h> |
20 | #include <hurd/port.h> |
21 | |
22 | /* The last user of the send right CLEANUP_DATA is now doing |
23 | `longjmp (ENV, VAL)', and this will unwind the frame of |
24 | that last user. Deallocate the right he will never get back to using. */ |
25 | |
26 | void |
27 | _hurd_port_cleanup (void *cleanup_data, jmp_buf env, int val) |
28 | { |
29 | __mach_port_deallocate (__mach_task_self (), (mach_port_t) cleanup_data); |
30 | } |
31 | |
32 | /* We were cancelled while using a port, and called from the cleanup unwinding. |
33 | */ |
34 | |
35 | void |
36 | _hurd_port_use_cleanup (void *arg) |
37 | { |
38 | struct _hurd_port_use_data *data = arg; |
39 | |
40 | _hurd_port_free (data->p, &data->link, data->port); |
41 | } |
42 | |