/*	$NetBSD: Ovfork.S,v 1.3 1998/12/02 19:29:57 thorpej Exp $	*/

/*
 * pid = vfork();
 *
 * r4 == 0 in parent process, 1 in child process.
 * r3 == pid of child in parent, pid of parent in child.
 */

#include "SYS.h"

WARN_REFERENCES(vfork, \
    "warning: reference to compatibility vfork(); include <unistd.h> for correct reference")

SYSCALL(vfork)
	addi	4,4,-1		# from 1 to 0 in child, 0 to -1 in parent
	and	3,3,4		# return 0 in child, pid in parent
	blr