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 <stdlib.h>
20#include "pthreadP.h"
21#include <shlib-compat.h>
22
23void
24__cleanup_fct_attribute
25___pthread_register_cancel (__pthread_unwind_buf_t *buf)
26{
27 struct pthread_unwind_buf *ibuf = (struct pthread_unwind_buf *) buf;
28 struct pthread *self = THREAD_SELF;
29
30 /* Store old info. */
31 ibuf->priv.data.prev = THREAD_GETMEM (self, cleanup_jmp_buf);
32 ibuf->priv.data.cleanup = THREAD_GETMEM (self, cleanup);
33
34 /* Store the new cleanup handler info. */
35 THREAD_SETMEM (self, cleanup_jmp_buf, (struct pthread_unwind_buf *) buf);
36}
37versioned_symbol (libc, ___pthread_register_cancel,
38 __pthread_register_cancel, GLIBC_2_34);
39libc_hidden_ver (___pthread_register_cancel, __pthread_register_cancel)
40
41#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_3_3, GLIBC_2_34)
42compat_symbol (libpthread, ___pthread_register_cancel,
43 __pthread_register_cancel, GLIBC_2_3_3);
44#endif
45
46
47void
48__cleanup_fct_attribute
49___pthread_unregister_cancel (__pthread_unwind_buf_t *buf)
50{
51 struct pthread_unwind_buf *ibuf = (struct pthread_unwind_buf *) buf;
52
53 THREAD_SETMEM (THREAD_SELF, cleanup_jmp_buf, ibuf->priv.data.prev);
54}
55versioned_symbol (libc, ___pthread_unregister_cancel,
56 __pthread_unregister_cancel, GLIBC_2_34);
57libc_hidden_ver (___pthread_unregister_cancel, __pthread_unregister_cancel)
58
59#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_3_3, GLIBC_2_34)
60compat_symbol (libpthread, ___pthread_unregister_cancel,
61 __pthread_unregister_cancel, GLIBC_2_3_3);
62#endif
63