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[thirdparty/glibc.git] / nptl / cleanup.c

/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <stdlib.h>
#include "pthreadP.h"


void
__cleanup_fct_attribute
__pthread_register_cancel (__pthread_unwind_buf_t *buf)
{
  struct pthread_unwind_buf *ibuf = (struct pthread_unwind_buf *) buf;
  struct pthread *self = THREAD_SELF;

  /* Store old info.  */
  ibuf->priv.data.prev = THREAD_GETMEM (self, cleanup_jmp_buf);
  ibuf->priv.data.cleanup = THREAD_GETMEM (self, cleanup);

  /* Store the new cleanup handler info.  */
  THREAD_SETMEM (self, cleanup_jmp_buf, (struct pthread_unwind_buf *) buf);
}
hidden_def (__pthread_register_cancel)


void
__cleanup_fct_attribute
__pthread_unregister_cancel (__pthread_unwind_buf_t *buf)
{
  struct pthread_unwind_buf *ibuf = (struct pthread_unwind_buf *) buf;

  THREAD_SETMEM (THREAD_SELF, cleanup_jmp_buf, ibuf->priv.data.prev);
}
hidden_def (__pthread_unregister_cancel)