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/* Copyright (C) 1999-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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/>. */
/* We want an #include_next, but we are the main source file.
So, #include ourselves and in that incarnation we can use #include_next. */
#ifndef INCLUDED_SELF
# define INCLUDED_SELF
# include <vfork.S>
#else
# include <tcb-offsets.h>
/* Save the PID value. */
# define SAVE_PID \
movl %gs:PID, %edx; \
movl %edx, %eax; \
negl %eax; \
jne 1f; \
movl $0x80000000, %eax; \
1: movl %eax, %gs:PID
/* Restore the old PID value in the parent. */
# define RESTORE_PID \
testl %eax, %eax; \
je 1f; \
movl %edx, %gs:PID; \
1:
# include_next <vfork.S>
#endif
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