/* vfork for Linux, RISC-V version.

   Copyright (C) 2005-2018 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/>.  */

/* vfork() is just a special case of clone().  */

#include <sys/asm.h>

#include <sysdep.h>

#define __ASSEMBLY__

#include <linux/sched.h>

#include <asm/signal.h>

	.text

LEAF (__libc_vfork)

	li	a0, (CLONE_VFORK | CLONE_VM | SIGCHLD)

	mv	a1, sp

	li	a7, __NR_clone

	scall

	bltz	a0, 1f

	ret

1:	j		__syscall_error

END (__libc_vfork)

weak_alias (__libc_vfork, vfork)

strong_alias (__libc_vfork, __vfork)

libc_hidden_def (__vfork)