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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #ifndef	ASYNC_H
     27 #define	ASYNC_H
     28 
     29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     30 
     31 #include <sys/types.h>
     32 #include <libinetutil.h>
     33 #include <dhcpagent_ipc.h>
     34 
     35 #include "common.h"
     36 
     37 /*
     38  * async.[ch] comprise the interface used to handle asynchronous DHCP
     39  * commands.  see ipc_event() in agent.c for more documentation on
     40  * the treatment of asynchronous DHCP commands.  see async.c for
     41  * documentation on how to use the exported functions.
     42  */
     43 
     44 #ifdef	__cplusplus
     45 extern "C" {
     46 #endif
     47 
     48 typedef struct async_action {
     49 	dhcp_ipc_type_t	as_cmd;		/* command/action in progress */
     50 	boolean_t	as_user;	/* user-generated async cmd */
     51 	boolean_t	as_present;	/* async operation present */
     52 } async_action_t;
     53 
     54 boolean_t	async_start(dhcp_smach_t *, dhcp_ipc_type_t, boolean_t);
     55 void		async_finish(dhcp_smach_t *);
     56 boolean_t	async_cancel(dhcp_smach_t *);
     57 
     58 #ifdef	__cplusplus
     59 }
     60 #endif
     61 
     62 #endif	/* ASYNC_H */
     63