setjmp/setjmp.c

   1 /* Copyright (C) 1991, 94, 95, 96, 97, 98 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <errno.h>
  20 #include <setjmp.h>
  21
  22
  23 /* Save the current program position in ENV and return 0.  */
  24 int
  25 __libc_sigsetjmp (jmp_buf env, int savemask)
  26 {
  27   /* Save the signal mask if requested.  */
  28   __sigjmp_save (env, savemask);
  29
  30   __set_errno (ENOSYS);
  31   /* No way to signal failure.  */
  32   return 0;
  33 }
  34
  35 weak_alias (__libc_sigsetjmp, __sigsetjmp)
  36 stub_warning (__sigsetjmp)
  37 #include <stub-tag.h>