62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
/* $NetBSD: rf_mcpair.h,v 1.1 1998/11/13 04:20:31 oster Exp $ */
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/*
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* Copyright (c) 1995 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Mark Holland
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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/* rf_mcpair.h
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* see comments in rf_mcpair.c
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*/
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#ifndef _RF__RF_MCPAIR_H_
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#define _RF__RF_MCPAIR_H_
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#include "rf_types.h"
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#include "rf_threadstuff.h"
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struct RF_MCPair_s {
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RF_DECLARE_MUTEX(mutex)
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RF_DECLARE_COND(cond)
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int flag;
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RF_MCPair_t *next;
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};
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#ifdef KERNEL
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#ifndef __NetBSD__
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#define RF_WAIT_MCPAIR(_mcp) mpsleep(&((_mcp)->flag), PZERO, "mcpair", 0, (void *) simple_lock_addr((_mcp)->mutex), MS_LOCK_SIMPLE)
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#else
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#define RF_WAIT_MCPAIR(_mcp) tsleep(&((_mcp)->flag), PRIBIO | PCATCH, "mcpair", 0)
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#endif
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#else /* KERNEL */
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#define RF_WAIT_MCPAIR(_mcp) RF_WAIT_COND((_mcp)->cond, (_mcp)->mutex)
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#endif /* KERNEL */
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int rf_ConfigureMCPair(RF_ShutdownList_t **listp);
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RF_MCPair_t *rf_AllocMCPair(void);
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void rf_FreeMCPair(RF_MCPair_t *t);
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void rf_MCPairWakeupFunc(RF_MCPair_t *t);
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#endif /* !_RF__RF_MCPAIR_H_ */
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