| /* Copyright (C) 1991, 92, 94, 95, 97, 99, 2002 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <sysdep.h> |
| |
| #ifndef SYS_vfork |
| #define SYS_vfork 66 |
| #endif |
| |
| SYSCALL__ (vfork, 0) |
| /* %o1 is now 0 for the parent and 1 for the child. Decrement it to |
| make it -1 (all bits set) for the parent, and 0 (no bits set) |
| for the child. Then AND it with %o0, so the parent gets |
| %o0&-1==pid, and the child gets %o0&0==0. */ |
| sub %o1, 1, %o1 |
| retl |
| and %o0, %o1, %o0 |
| libc_hidden_def (__vfork) |
| |
| weak_alias (__vfork, vfork) |
