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