1 /* Copyright (C) 2002-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <shlib-compat.h>
19 #include <stdlib.h>
20 #include "pthreadP.h"
21
22 void
__pthread_cleanup_push(struct _pthread_cleanup_buffer * buffer,void (* routine)(void *),void * arg)23 __pthread_cleanup_push (struct _pthread_cleanup_buffer *buffer,
24 void (*routine) (void *), void *arg)
25 {
26 struct pthread *self = THREAD_SELF;
27
28 buffer->__routine = routine;
29 buffer->__arg = arg;
30 buffer->__prev = THREAD_GETMEM (self, cleanup);
31
32 THREAD_SETMEM (self, cleanup, buffer);
33 }
34 libc_hidden_def (__pthread_cleanup_push)
35 versioned_symbol (libc, __pthread_cleanup_push, _pthread_cleanup_push,
36 GLIBC_2_34);
37
38 void
__pthread_cleanup_pop(struct _pthread_cleanup_buffer * buffer,int execute)39 __pthread_cleanup_pop (struct _pthread_cleanup_buffer *buffer, int execute)
40 {
41 struct pthread *self __attribute ((unused)) = THREAD_SELF;
42
43 THREAD_SETMEM (self, cleanup, buffer->__prev);
44
45 /* If necessary call the cleanup routine after we removed the
46 current cleanup block from the list. */
47 if (execute)
48 buffer->__routine (buffer->__arg);
49 }
50 libc_hidden_def (__pthread_cleanup_pop)
51 versioned_symbol (libc, __pthread_cleanup_pop, _pthread_cleanup_pop,
52 GLIBC_2_34);
53
54 #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_34)
55 compat_symbol (libpthread, __pthread_cleanup_push, _pthread_cleanup_push,
56 GLIBC_2_0);
57 compat_symbol (libpthread, __pthread_cleanup_pop, _pthread_cleanup_pop,
58 GLIBC_2_0);
59 #endif
60