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glibc  2.9
bsd-setjmp.c
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00001 /* BSD `setjmp' entry point to `sigsetjmp (..., 1)'.  Stub version.
00002    Copyright (C) 1994, 1997, 1999 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
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 <sysdep.h>
00021 #include <setjmp.h>
00022 
00023 #undef setjmp
00024 
00025 /* This implementation in C will not usually work, because the call
00026    really needs to be a tail-call so __sigsetjmp saves the state of
00027    the caller, not the state of this `setjmp' frame which then
00028    immediate unwinds.  */
00029 
00030 int
00031 setjmp (jmp_buf env)
00032 {
00033   return __sigsetjmp (env, 1);
00034 }