	.file	"wait.s"
/*
 * $Copyright:	$
 * Copyright (c) 1984, 1985, 1986, 1987, 1988, 1989, 1990 
 * Sequent Computer Systems, Inc.   All rights reserved.
 *  
 * This software is furnished under a license and may be used
 * only in accordance with the terms of that license and with the
 * inclusion of the above copyright notice.   This software may not
 * be provided or otherwise made available to, or used by, any
 * other person.  No title to or ownership of the software is
 * hereby transferred.
 *
 */

/	Copyright (c) 1984 AT&T
/	  All Rights Reserved

/	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T
/	The copyright notice above does not evidence any
/	actual or intended publication of such source code.

	.ident	"@(#)$Header: wait.s 1.6 89/10/10 $"

/ C library -- wait

/ pid = wait(0);
/   or,
/ pid = wait(&status);
/ and
/ pid = waitpid(pid,&status,options);

/ pid == -1 if error
/ status indicates fate of process, if given

#include "sys.s"

SYSCALL(1,wait)
	movl	SPARG0,R2
	testl	R2,R2
	jz	.nostore
	movl	R1,(R2)
.nostore:
	ret

ENTRY(waitpid)
	movl	SPARG0,R1
	movl	SPARG2,R2
	SVC(2,waitpid)
	jc	_cerror
	movl	SPARG1,R2
	testl	R2,R2
	jz	.nostore
	movl	R1,(R2)
	ret
