1*47912Sbostic /* 2*47912Sbostic * Copyright (c) 1983 The Regents of the University of California. 3*47912Sbostic * All rights reserved. 4*47912Sbostic * 5*47912Sbostic * Redistribution and use in source and binary forms are permitted 6*47912Sbostic * provided that the above copyright notice and this paragraph are 7*47912Sbostic * duplicated in all such forms and that any documentation, 8*47912Sbostic * advertising materials, and other materials related to such 9*47912Sbostic * distribution and use acknowledge that the software was developed 10*47912Sbostic * by the University of California, Berkeley. The name of the 11*47912Sbostic * University may not be used to endorse or promote products derived 12*47912Sbostic * from this software without specific prior written permission. 13*47912Sbostic * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14*47912Sbostic * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15*47912Sbostic * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16*47912Sbostic */ 17*47912Sbostic 18*47912Sbostic #if defined(LIBC_SCCS) && !defined(lint) 19*47912Sbostic .asciz "@(#)fork.c 5.1 (Berkeley) 04/12/91" 20*47912Sbostic #endif /* LIBC_SCCS and not lint */ 21*47912Sbostic 22*47912Sbostic #include "SYS.h" 23*47912Sbostic 24*47912Sbostic .globl mypid, myppid 25*47912Sbostic 26*47912Sbostic SYSCALL(fork) 27*47912Sbostic jlbc r1,1f # parent, since r1 == 0 in parent, 1 in child 28*47912Sbostic movl r0,myppid 29*47912Sbostic clrl mypid 30*47912Sbostic clrl r0 31*47912Sbostic 1: 32*47912Sbostic ret # pid = fork() 33