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- /* Copyright (C) 2004 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>
- # define SAVE_PID \
- movl %fs:PID, %esi; \
- movl $0x80000000, %ecx; \
- movl %esi, %edx; \
- negl %edx; \
- cmove %ecx, %edx; \
- movl %edx, %fs:PID
- # define RESTORE_PID \
- testq %rax, %rax; \
- je 1f; \
- movl %esi, %fs:PID; \
- 1:
- # include_next <vfork.S>
- #endif
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