2 * SPDX-License-Identifier: BSD-3-Clause
5 * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #include "namespace.h"
41 #include "un-namespace.h"
43 #include "thr_private.h"
45 #undef pthread_cleanup_push
46 #undef pthread_cleanup_pop
48 /* old binary compatible interfaces */
49 __weak_reference(_pthread_cleanup_push, pthread_cleanup_push);
50 __weak_reference(_pthread_cleanup_pop, pthread_cleanup_pop);
53 __pthread_cleanup_push_imp(void (*routine)(void *), void *arg,
54 struct _pthread_cleanup_info *info)
56 struct pthread *curthread = _get_curthread();
57 struct pthread_cleanup *newbuf;
59 newbuf = (void *)info;
60 newbuf->routine = routine;
61 newbuf->routine_arg = arg;
63 newbuf->prev = curthread->cleanup;
64 curthread->cleanup = newbuf;
68 __pthread_cleanup_pop_imp(int execute)
70 struct pthread *curthread = _get_curthread();
71 struct pthread_cleanup *old;
73 if ((old = curthread->cleanup) != NULL) {
74 curthread->cleanup = old->prev;
76 old->routine(old->routine_arg);
83 _pthread_cleanup_push(void (*routine) (void *), void *arg)
85 struct pthread *curthread = _get_curthread();
86 struct pthread_cleanup *newbuf;
87 #ifdef _PTHREAD_FORCED_UNWIND
88 curthread->unwind_disabled = 1;
90 if ((newbuf = (struct pthread_cleanup *)
91 malloc(sizeof(struct pthread_cleanup))) != NULL) {
92 newbuf->routine = routine;
93 newbuf->routine_arg = arg;
95 newbuf->prev = curthread->cleanup;
96 curthread->cleanup = newbuf;
101 _pthread_cleanup_pop(int execute)
103 __pthread_cleanup_pop_imp(execute);