1 /* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
2    This file is part of the GNU C Library.
3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
4 
5    The GNU C Library is free software; you can redistribute it and/or
6    modify it under the terms of the GNU Lesser General Public
7    License as published by the Free Software Foundation; either
8    version 2.1 of the License, or (at your option) any later version.
9 
10    The GNU C Library is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13    Lesser General Public License for more details.
14 
15    You should have received a copy of the GNU Lesser General Public
16    License along with the GNU C Library; if not, see
17    <http://www.gnu.org/licenses/>.  */
18 
19 #include <stdlib.h>
20 #include "pthreadP.h"
21 
22 
23 void
24 __cleanup_fct_attribute
__pthread_register_cancel(__pthread_unwind_buf_t * buf)25 __pthread_register_cancel (__pthread_unwind_buf_t *buf)
26 {
27   struct pthread_unwind_buf *ibuf = (struct pthread_unwind_buf *) buf;
28   struct pthread *self = THREAD_SELF;
29 
30   /* Store old info.  */
31   ibuf->priv.data.prev = THREAD_GETMEM (self, cleanup_jmp_buf);
32   ibuf->priv.data.cleanup = THREAD_GETMEM (self, cleanup);
33 
34   /* Store the new cleanup handler info.  */
35   THREAD_SETMEM (self, cleanup_jmp_buf, (struct pthread_unwind_buf *) buf);
36 }
hidden_def(__pthread_register_cancel)37 hidden_def (__pthread_register_cancel)
38 
39 
40 void
41 __cleanup_fct_attribute
42 __pthread_unregister_cancel (__pthread_unwind_buf_t *buf)
43 {
44   struct pthread_unwind_buf *ibuf = (struct pthread_unwind_buf *) buf;
45 
46   THREAD_SETMEM (THREAD_SELF, cleanup_jmp_buf, ibuf->priv.data.prev);
47 }
48 hidden_def (__pthread_unregister_cancel)
49