linuxthreads/sysdeps/unix/sysv/linux/jmp-unwind.c

   1 /* _longjmp_unwind -- Clean up stack frames unwound by longjmp.
   2    Copyright (C) 2002, 2003 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <setjmp.h>
  21 #include <stddef.h>
  22 #include <bits/libc-lock.h>
  23
  24 #ifndef SHARED
  25 weak_extern (__pthread_cleanup_upto);
  26 #endif
  27
  28 void
  29 _longjmp_unwind (jmp_buf env, int val)
  30 {
  31   __libc_maybe_call2 (pthread_cleanup_upto,
  32                       (env->__jmpbuf, __builtin_frame_address (0)),
  33                       (void) 0);
  34 }