1 /* $OpenBSD: rf_mcpair.h,v 1.4 2002/12/16 07:01:04 tdeval Exp $ */
2 /* $NetBSD: rf_mcpair.h,v 1.4 1999/03/14 21:53:31 oster Exp $ */
3
4 /*
5 * Copyright (c) 1995 Carnegie-Mellon University.
6 * All rights reserved.
7 *
8 * Author: Mark Holland
9 *
10 * Permission to use, copy, modify and distribute this software and
11 * its documentation is hereby granted, provided that both the copyright
12 * notice and this permission notice appear in all copies of the
13 * software, derivative works or modified versions, and any portions
14 * thereof, and that both notices appear in supporting documentation.
15 *
16 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
17 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
18 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19 *
20 * Carnegie Mellon requests users of this software to return to
21 *
22 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
23 * School of Computer Science
24 * Carnegie Mellon University
25 * Pittsburgh PA 15213-3890
26 *
27 * any improvements or extensions that they make and grant Carnegie the
28 * rights to redistribute these changes.
29 */
30
31 /*
32 * rf_mcpair.h
33 * See comments in rf_mcpair.c
34 */
35
36 #ifndef _RF__RF_MCPAIR_H_
37 #define _RF__RF_MCPAIR_H_
38
39 #include "rf_types.h"
40 #include "rf_threadstuff.h"
41
42 struct RF_MCPair_s {
43 RF_DECLARE_MUTEX(mutex);
44 RF_DECLARE_COND (cond);
45 int flag;
46 RF_MCPair_t *next;
47 };
48 #define RF_WAIT_MCPAIR(_mcp) tsleep(&((_mcp)->flag), PRIBIO, "mcpair", 0)
49
50 int rf_ConfigureMCPair(RF_ShutdownList_t **);
51 RF_MCPair_t *rf_AllocMCPair(void);
52 void rf_FreeMCPair(RF_MCPair_t *);
53 void rf_MCPairWakeupFunc(RF_MCPair_t *);
54
55 #endif /* !_RF__RF_MCPAIR_H_ */