/* Copyright (C) 2004-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.

   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 <sysdep.h>

#define _ERRNO_H	1

#include <bits/errno.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 (__libc_vfork)

	/* Do vfork system call.  */

	svc	SYS_ify (vfork)

	/* Check for error.  */

	lghi	%r4,-4095

	clgr	%r2,%r4

	jgnl	SYSCALL_ERROR_LABEL

	/* Normal return.  */

	br	%r14

PSEUDO_END (__libc_vfork)

#if IS_IN (libc)

weak_alias (__libc_vfork, vfork)

strong_alias (__libc_vfork, __vfork)

libc_hidden_def (__vfork)

#endif