1 /*	$NetBSD: rf_mcpair.h,v 1.10 2011/05/01 01:09:05 mrg Exp $	*/
2 /*
3  * Copyright (c) 1995 Carnegie-Mellon University.
4  * All rights reserved.
5  *
6  * Author: Mark Holland
7  *
8  * Permission to use, copy, modify and distribute this software and
9  * its documentation is hereby granted, provided that both the copyright
10  * notice and this permission notice appear in all copies of the
11  * software, derivative works or modified versions, and any portions
12  * thereof, and that both notices appear in supporting documentation.
13  *
14  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
15  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
16  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
17  *
18  * Carnegie Mellon requests users of this software to return to
19  *
20  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
21  *  School of Computer Science
22  *  Carnegie Mellon University
23  *  Pittsburgh PA 15213-3890
24  *
25  * any improvements or extensions that they make and grant Carnegie the
26  * rights to redistribute these changes.
27  */
28 
29 /* rf_mcpair.h
30  * see comments in rf_mcpair.c
31  */
32 
33 #ifndef _RF__RF_MCPAIR_H_
34 #define _RF__RF_MCPAIR_H_
35 
36 #include <dev/raidframe/raidframevar.h>
37 #include "rf_threadstuff.h"
38 
39 struct RF_MCPair_s {
40 	rf_declare_mutex2(mutex);
41 	rf_declare_cond2(cond);
42 	int     flag;
43 };
44 #define RF_WAIT_MCPAIR(_mcp)	rf_wait_cond2((_mcp)->cond, (_mcp)->mutex)
45 #define RF_LOCK_MCPAIR(_mcp)	rf_lock_mutex2((_mcp)->mutex)
46 #define RF_UNLOCK_MCPAIR(_mcp)	rf_unlock_mutex2((_mcp)->mutex)
47 
48 int     rf_ConfigureMCPair(RF_ShutdownList_t ** listp);
49 RF_MCPair_t *rf_AllocMCPair(void);
50 void    rf_FreeMCPair(RF_MCPair_t * t);
51 void    rf_MCPairWakeupFunc(RF_MCPair_t * t);
52 
53 #endif				/* !_RF__RF_MCPAIR_H_ */
54