1 /*- 2 * Copyright (c) 1983 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #if defined(LIBC_SCCS) && !defined(lint) 9 .asciz "@(#)fork.c 5.2 (Berkeley) 04/12/91" 10 #endif /* LIBC_SCCS and not lint */ 11 12 #include "SYS.h" 13 14 .globl mypid, myppid 15 16 SYSCALL(fork) 17 jlbc r1,1f # parent, since r1 == 0 in parent, 1 in child 18 movl r0,myppid 19 clrl mypid 20 clrl r0 21 1: 22 ret # pid = fork() 23