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glibc  2.9
cleanup.c
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00001 /* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <stdlib.h>
00021 #include "pthreadP.h"
00022 
00023 
00024 void
00025 __cleanup_fct_attribute
00026 __pthread_register_cancel (__pthread_unwind_buf_t *buf)
00027 {
00028   struct pthread_unwind_buf *ibuf = (struct pthread_unwind_buf *) buf;
00029   struct pthread *self = THREAD_SELF;
00030 
00031   /* Store old info.  */
00032   ibuf->priv.data.prev = THREAD_GETMEM (self, cleanup_jmp_buf);
00033   ibuf->priv.data.cleanup = THREAD_GETMEM (self, cleanup);
00034 
00035   /* Store the new cleanup handler info.  */
00036   THREAD_SETMEM (self, cleanup_jmp_buf, (struct pthread_unwind_buf *) buf);
00037 }
00038 hidden_def (__pthread_register_cancel)
00039 
00040 
00041 void
00042 __cleanup_fct_attribute
00043 __pthread_unregister_cancel (__pthread_unwind_buf_t *buf)
00044 {
00045   struct pthread_unwind_buf *ibuf = (struct pthread_unwind_buf *) buf;
00046 
00047   THREAD_SETMEM (THREAD_SELF, cleanup_jmp_buf, ibuf->priv.data.prev);
00048 }
00049 hidden_def (__pthread_unregister_cancel)