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
32 #include "namespace.h"
37 #include "un-namespace.h"
39 #include "thr_private.h"
41 __weak_reference(_pthread_cleanup_push, pthread_cleanup_push);
42 __weak_reference(_pthread_cleanup_pop, pthread_cleanup_pop);
45 _pthread_cleanup_push(void (*routine) (void *), void *routine_arg)
47 struct pthread *curthread = _get_curthread();
48 struct pthread_cleanup *new;
50 if ((new = (struct pthread_cleanup *)
51 malloc(sizeof(struct pthread_cleanup))) != NULL) {
52 new->routine = routine;
53 new->routine_arg = routine_arg;
55 new->next = curthread->cleanup;
57 curthread->cleanup = new;
62 _pthread_cleanup_pop(int execute)
64 struct pthread *curthread = _get_curthread();
65 struct pthread_cleanup *old;
67 if ((old = curthread->cleanup) != NULL) {
68 curthread->cleanup = old->next;
70 old->routine(old->routine_arg);
72 if (old->onstack == 0)