1 /* $NetBSD: rf_mcpair.h,v 1.9 2005/12/11 12:23:37 christos 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_MUTEX(mutex) 41 RF_DECLARE_COND(cond) 42 int flag; 43 }; 44 #define RF_WAIT_MCPAIR(_mcp) \ 45 ltsleep(&((_mcp)->cond), PRIBIO, "mcpair", 0, &((_mcp)->mutex)) 46 47 int rf_ConfigureMCPair(RF_ShutdownList_t ** listp); 48 RF_MCPair_t *rf_AllocMCPair(void); 49 void rf_FreeMCPair(RF_MCPair_t * t); 50 void rf_MCPairWakeupFunc(RF_MCPair_t * t); 51 52 #endif /* !_RF__RF_MCPAIR_H_ */ 53