1*47916Sbostic /* 2*47916Sbostic * Copyright (c) 1983 The Regents of the University of California. 3*47916Sbostic * All rights reserved. 4*47916Sbostic * 5*47916Sbostic * Redistribution and use in source and binary forms are permitted 6*47916Sbostic * provided that the above copyright notice and this paragraph are 7*47916Sbostic * duplicated in all such forms and that any documentation, 8*47916Sbostic * advertising materials, and other materials related to such 9*47916Sbostic * distribution and use acknowledge that the software was developed 10*47916Sbostic * by the University of California, Berkeley. The name of the 11*47916Sbostic * University may not be used to endorse or promote products derived 12*47916Sbostic * from this software without specific prior written permission. 13*47916Sbostic * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14*47916Sbostic * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15*47916Sbostic * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16*47916Sbostic */ 17*47916Sbostic 18*47916Sbostic #if defined(LIBC_SCCS) && !defined(lint) 19*47916Sbostic .asciz "@(#)getppid.c 5.1 (Berkeley) 04/12/91" 20*47916Sbostic #endif /* LIBC_SCCS and not lint */ 21*47916Sbostic 22*47916Sbostic #include "SYS.h" 23*47916Sbostic 24*47916Sbostic .data 25*47916Sbostic .globl mypid, myppid 26*47916Sbostic myppid: 27*47916Sbostic .long 0 28*47916Sbostic .text 29*47916Sbostic 30*47916Sbostic ENTRY(getpid) 31*47916Sbostic movl myppid,r0 # check cache 32*47916Sbostic beql doit 33*47916Sbostic ret 34*47916Sbostic doit: 35*47916Sbostic chmk $SYS_getpid 36*47916Sbostic jcs err 37*47916Sbostic movl r0,mypid # cache pid 38*47916Sbostic movl r1,r0 39*47916Sbostic movl r0,myppid # set cache 40*47916Sbostic ret # ppid = getppid(); 41*47916Sbostic err: 42*47916Sbostic jmp cerror; 43