94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
/* $NetBSD: rf_general.h,v 1.17 2006/04/14 22:40:09 christos 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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/*
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* rf_general.h -- some general-use definitions
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*/
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/* #define NOASSERT */
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#ifndef _RF__RF_GENERAL_H_
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#define _RF__RF_GENERAL_H_
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#ifdef _KERNEL_OPT
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#include "opt_raid_diagnostic.h"
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#endif /* _KERNEL_OPT */
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/* error reporting and handling */
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#include <sys/systm.h> /* printf, sprintf, and friends */
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#include <uvm/uvm_extern.h> /* PAGE_SIZE, PAGE_MASK */
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#define RF_ERRORMSG(s) printf((s))
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#define RF_ERRORMSG1(s,a) printf((s),(a))
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#define RF_ERRORMSG2(s,a,b) printf((s),(a),(b))
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#define RF_ERRORMSG3(s,a,b,c) printf((s),(a),(b),(c))
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void rf_print_panic_message(int, const char *);
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void rf_print_assert_panic_message(int, const char *, const char *);
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void rf_print_unable_to_init_mutex(const char *, int, int);
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void rf_print_unable_to_add_shutdown(const char *, int, int);
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extern char rf_panicbuf[];
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#define RF_PANIC() {rf_print_panic_message(__LINE__,__FILE__); panic(rf_panicbuf);}
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#if defined(RAID_DIAGNOSTIC) || defined(__COVERITY__)
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#define RF_ASSERT(_x_) { \
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if (!(_x_)) { \
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rf_print_assert_panic_message(__LINE__, __FILE__, #_x_); \
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panic(rf_panicbuf); \
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} \
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}
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#else /* RAID_DIAGNOSTIC */
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#define RF_ASSERT(x) {/*noop*/}
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#endif /* RAID_DIAGNOSTIC */
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/* random stuff */
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#define RF_MAX(a,b) (((a) > (b)) ? (a) : (b))
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#define RF_MIN(a,b) (((a) < (b)) ? (a) : (b))
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/* divide-by-zero check */
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#define RF_DB0_CHECK(a,b) ( ((b)==0) ? 0 : (a)/(b) )
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/* get time of day */
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#define RF_GETTIME(_t) microtime(&(_t))
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#define RF_UL(x) ((unsigned long) (x))
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#define RF_PGMASK PAGE_MASK
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#define RF_BLIP(x) (PAGE_SIZE - (RF_UL(x) & RF_PGMASK)) /* bytes left in page */
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#define RF_PAGE_ALIGNED(x) ((RF_UL(x) & RF_PGMASK) == 0)
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#ifdef __STDC__
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#define RF_STRING(_str_) #_str_
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#else /* __STDC__ */
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#define RF_STRING(_str_) "_str_"
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#endif /* __STDC__ */
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#endif /* !_RF__RF_GENERAL_H_ */
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