/* * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This software was developed by the Computer Systems Engineering group * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and * contributed to Berkeley. * * %sccs.include.redist.c% * * from: $Header: fork.s,v 1.1 91/07/06 13:05:58 torek Exp $ */ #if defined(LIBC_SCCS) && !defined(lint) .asciz "@(#)fork.s 8.1 (Berkeley) 06/04/93" #endif /* LIBC_SCCS and not lint */ #include "SYS.h" SYSCALL(fork) dec %o1 ! from 1 to 0 in child, 0 to -1 in parent retl and %o0, %o1, %o0 ! return 0 in child, pid in parent