1/* 2 * Copyright (c) 1983 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 */ 17 18#if defined(SYSLIBC_SCCS) && !defined(lint) 19 .asciz "@(#)wait3.s 5.5 (Berkeley) 06/27/88" 20#endif /* SYSLIBC_SCCS and not lint */ 21 22/* @(#)wait3.s 5.5 (Berkeley) 06/27/88 */ 23 24/* 25 * C library -- wait3 26 * 27 * pid = wait3(&status, flags, &rusage); 28 * 29 * pid == -1 if error 30 * status indicates fate of process, if given 31 * flags may indicate process is not to hang or 32 * that untraced stopped children are to be reported. 33 * rusage optionally returns detailed resource usage information 34 */ 35#include "SYS.h" 36 37#define SYS_wait3 SYS_wait 38 39ENTRY(wait3) 40 movl 8(ap),r0 /* make it easy for system to get */ 41 movl 12(ap),r1 /* these extra arguments */ 42 bispsw $0xf /* flags wait3() */ 43 chmk $SYS_wait3 44 bcc noerror 45 movl r0,_errno 46 mnegl $1,r0 47 ret 48noerror: 49 tstl 4(ap) /* status desired? */ 50 beql nostatus /* no */ 51 movl r1,*4(ap) /* store child's status */ 52nostatus: 53 ret 54