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- /* Copyright (C) 1999,2002,2004,2006 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/>. */
- #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 <libc/sysdeps/linux/i386/vfork.S>
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