Annotation of sys/dev/raidframe/rf_mcpair.h, Revision 1.1.1.1
1.1 nbrk 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_ */
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