1*47915Sbostic /* 2*47915Sbostic * Copyright (c) 1983 The Regents of the University of California. 3*47915Sbostic * All rights reserved. 4*47915Sbostic * 5*47915Sbostic * Redistribution and use in source and binary forms are permitted 6*47915Sbostic * provided that the above copyright notice and this paragraph are 7*47915Sbostic * duplicated in all such forms and that any documentation, 8*47915Sbostic * advertising materials, and other materials related to such 9*47915Sbostic * distribution and use acknowledge that the software was developed 10*47915Sbostic * by the University of California, Berkeley. The name of the 11*47915Sbostic * University may not be used to endorse or promote products derived 12*47915Sbostic * from this software without specific prior written permission. 13*47915Sbostic * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14*47915Sbostic * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15*47915Sbostic * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16*47915Sbostic */ 17*47915Sbostic 18*47915Sbostic #if defined(LIBC_SCCS) && !defined(lint) 19*47915Sbostic .asciz "@(#)getpid.c 5.1 (Berkeley) 04/12/91" 20*47915Sbostic #endif /* LIBC_SCCS and not lint */ 21*47915Sbostic 22*47915Sbostic #include "SYS.h" 23*47915Sbostic 24*47915Sbostic .data 25*47915Sbostic .globl mypid, myppid 26*47915Sbostic mypid: 27*47915Sbostic .long 0 28*47915Sbostic .text 29*47915Sbostic 30*47915Sbostic ENTRY(getpid) 31*47915Sbostic movl mypid,r0 # check cache 32*47915Sbostic beql doit 33*47915Sbostic ret 34*47915Sbostic doit: 35*47915Sbostic chmk $SYS_getpid 36*47915Sbostic jcs err 37*47915Sbostic movl r0,mypid # set cache 38*47915Sbostic movl r1,myppid # set cache 39*47915Sbostic ret # pid = getpid(); 40*47915Sbostic err: 41*47915Sbostic jmp cerror; 42