/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.   This file is part of the GNU C Library.   Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.   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>#define _ERRNO_H	1#include <bits/errno.h>#include <kernel-features.h>#include <bits/wordsize.h>#include <tcb-offsets.h>/* Clone the calling process, but without copying the whole address space.   The calling process is suspended until the new process exits or is   replaced by a call to `execve'.  Return -1 for errors, 0 to the new process,   and the process ID of the new process to the old process.  */ENTRY (__vfork)	ear	%r4,%a0	sllg	%r4,%r4,32	ear	%r4,%a1	l	%r3,PID(%r4)	lcr	%r1,%r3	st	%r1,PID(%r4)	/* Do vfork system call.  */	svc	SYS_ify (vfork)	ltgr	%r2,%r2	je	1f	st	%r3,PID(%r4)1:	/* Check for error.  */	lghi	%r4,-4095	clgr	%r2,%r4	jgnl	SYSCALL_ERROR_LABEL	/* Normal return.  */	br	%r14PSEUDO_END(__vfork)weak_alias (__vfork, vfork)