/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License, Version 1.0 only

 * (the "License").  You may not use this file except in compliance

 * with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.

 * Use is subject to license terms.

 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

/*	Copyright (c) 1988 AT&T	*/

/*	  All Rights Reserved  	*/

#include "synonyms.h"

#include <sys/types.h>

#include <unistd.h>

#include <wait.h>

pid_t

_waitpid(pid_t pid, int *stat_loc, int options)

{

	idtype_t idtype;

	id_t id;

	siginfo_t info;

	int error;

	if (pid > 0) {

		idtype = P_PID;

		id = pid;

	} else if (pid < -1) {

		idtype = P_PGID;

		id = -pid;

	} else if (pid == -1) {

		idtype = P_ALL;

		id = 0;

	} else {

		idtype = P_PGID;

		id = getpgid(0);

	}

	options |= (WEXITED|WTRAPPED);

	if ((error = waitid(idtype, id, &info, options)) < 0)

		return (error);

	if (stat_loc) {

		int stat = (info.si_status & 0377);

		switch (info.si_code) {

		case CLD_EXITED:

			stat <<= 8;

			break;

		case CLD_DUMPED:

			stat |= WCOREFLG;

			break;

		case CLD_KILLED:

			break;

		case CLD_TRAPPED:

		case CLD_STOPPED:

			stat <<= 8;

			stat |= WSTOPFLG;

			break;

		case CLD_CONTINUED:

			stat = WCONTFLG;

			break;

		}

		*stat_loc = stat;

	}

	return (info.si_pid);

}

pid_t

_wait(int *stat_loc)

{

	return (waitpid(-1, stat_loc, 0));

}