1/* Copyright (C) 2002-2021 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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 "pthreadP.h"
20#include <tls.h>
21#include <libc-lock.h>
22
23void
24__libc_cleanup_push_defer (struct _pthread_cleanup_buffer *buffer)
25{
26 struct pthread *self = THREAD_SELF;
27
28 buffer->__prev = THREAD_GETMEM (self, cleanup);
29
30 /* Disable asynchronous cancellation for now. */
31 buffer->__canceltype = THREAD_GETMEM (self, canceltype);
32 THREAD_SETMEM (self, canceltype, PTHREAD_CANCEL_DEFERRED);
33
34 THREAD_SETMEM (self, cleanup, buffer);
35}
36libc_hidden_def (__libc_cleanup_push_defer)
37
38void
39__libc_cleanup_pop_restore (struct _pthread_cleanup_buffer *buffer)
40{
41 struct pthread *self = THREAD_SELF;
42
43 THREAD_SETMEM (self, cleanup, buffer->__prev);
44
45 THREAD_SETMEM (self, canceltype, buffer->__canceltype);
46 if (buffer->__canceltype == PTHREAD_CANCEL_ASYNCHRONOUS)
47 __pthread_testcancel ();
48}
49libc_hidden_def (__libc_cleanup_pop_restore)
50