1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/* Copyright (C) 2002-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <stdlib.h>
#include "pthreadP.h"
#include <shlib-compat.h>
void
__cleanup_fct_attribute
___pthread_register_cancel_defer (__pthread_unwind_buf_t *buf)
{
struct pthread_unwind_buf *ibuf = (struct pthread_unwind_buf *) buf;
struct pthread *self = THREAD_SELF;
/* Store old info. */
ibuf->priv.data.prev = THREAD_GETMEM (self, cleanup_jmp_buf);
ibuf->priv.data.cleanup = THREAD_GETMEM (self, cleanup);
/* Disable asynchronous cancellation for now. */
ibuf->priv.data.canceltype = THREAD_GETMEM (self, canceltype);
THREAD_SETMEM (self, canceltype, PTHREAD_CANCEL_DEFERRED);
/* Store the new cleanup handler info. */
THREAD_SETMEM (self, cleanup_jmp_buf, (struct pthread_unwind_buf *) buf);
}
versioned_symbol (libc, ___pthread_register_cancel_defer,
__pthread_register_cancel_defer, GLIBC_2_34);
#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_3_3, GLIBC_2_34)
compat_symbol (libpthread, ___pthread_register_cancel_defer,
__pthread_register_cancel_defer, GLIBC_2_3_3);
#endif
void
__cleanup_fct_attribute
___pthread_unregister_cancel_restore (__pthread_unwind_buf_t *buf)
{
struct pthread *self = THREAD_SELF;
struct pthread_unwind_buf *ibuf = (struct pthread_unwind_buf *) buf;
THREAD_SETMEM (self, cleanup_jmp_buf, ibuf->priv.data.prev);
THREAD_SETMEM (self, canceltype, ibuf->priv.data.canceltype);
if (ibuf->priv.data.canceltype == PTHREAD_CANCEL_ASYNCHRONOUS)
__pthread_testcancel ();
}
versioned_symbol (libc, ___pthread_unregister_cancel_restore,
__pthread_unregister_cancel_restore, GLIBC_2_34);
#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_3_3, GLIBC_2_34)
compat_symbol (libpthread, ___pthread_unregister_cancel_restore,
__pthread_unregister_cancel_restore, GLIBC_2_3_3);
#endif
|
