/* 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 . */ #include /* 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