elf: Add glibc.mem.decorate_maps tunable
[glibc.git] / hurd / port-cleanup.c
blobad43b83013568f45b5bd9c504184f90dc7887616
1 /* Cleanup function for `struct hurd_port' users.
2 Copyright (C) 1995-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
19 #include <mach.h>
20 #include <hurd/port.h>
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. */
26 void
27 _hurd_port_cleanup (void *cleanup_data, jmp_buf env, int val)
29 mach_port_t port = (mach_port_t) (uintptr_t) cleanup_data;
30 __mach_port_deallocate (__mach_task_self (), port);
33 /* We were cancelled while using a port, and called from the cleanup unwinding.
36 void
37 _hurd_port_use_cleanup (void *arg)
39 struct _hurd_port_use_data *data = arg;
41 _hurd_port_free (data->p, &data->link, data->port);