Blame setjmp/bsd-setjmp.c

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/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'.  Stub version.
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   Copyright (C) 1994-2018 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, see
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   <http://www.gnu.org/licenses/>.  */
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#include <sysdep.h>
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#include <setjmp.h>
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#undef setjmp
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/* This implementation in C will not usually work, because the call
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   really needs to be a tail-call so __sigsetjmp saves the state of
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   the caller, not the state of this `setjmp' frame which then
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   immediate unwinds.  */
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int
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setjmp (jmp_buf env)
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{
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  return __sigsetjmp (env, 1);
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}