xref: /titanic_41/usr/src/cmd/cmd-inet/sbin/dhcpagent/async.h (revision 5bbb4db2c3f208d12bf0fd11769728f9e5ba66a2)
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