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irix-657m-src/irix/kern/sys/log.h
2022-09-29 17:59:04 +03:00

90 lines
1.8 KiB
C

/* Copyright (c) 1984 AT&T */
/* All Rights Reserved */
/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
/* The copyright notice above does not evidence any */
/* actual or intended publication of such source code. */
/*#ident "@(#)kern-port:sys/log.h 10.1"*/
#ident "$Revision: 3.9 $"
/*
* Header file for the Streams Log Driver
*/
#include <sys/strlog.h>
struct log {
unsigned int log_state;
struct queue *log_rdq;
struct msgb *log_tracemp;
};
/*
* Driver state values.
*/
#define LOGOPEN 0x01
#define LOGERR 0x02
#define LOGTRC 0x04
#define LOGCONS 0x08
#define LOGDEF 0x10
/*
* Module information structure fields
*/
#define LOG_MID 44
#define LOG_NAME "LOG"
#define LOG_MINPS 0
#define LOG_MAXPS 1024
#define LOG_HIWAT 1024
#define LOG_LOWAT 256
extern int log_bsz; /* size of internal buffer of log messages */
/*
* STRLOG(mid,sid,level,flags,fmt,args) should be used for those trace
* calls that are only to be made during debugging.
* Extra parentheses are needed in the calls to keep the compiler quiet.
*/
#ifdef DEBUG
#define STRLOG(x) strlog x
#else
#define STRLOG(x)
#endif
/*
* Utility macros for strlog.
*/
/*
* logadjust - move a character pointer up to the next long boundary
* after its current value. Assumes sizeof(long) is 2**n bytes for some integer n.
*/
#define logadjust(wp) (unsigned char *)(((__psunsigned_t)wp + sizeof(long)) & ~(sizeof(long)-1))
/*
* logstrcpy(dp, sp) copies string sp to dp.
*/
#ifdef u3b2
asm char *
logstrcpy(dp, sp)
{
% reg s1, s2;
MOVW s1,%r0
MOVW s2,%r1
STRCPY
MOVW %r0,s1
MOVW %r1,s2
}
#else
/*
* This is a catchall definition for those processors that have not had
* this coded in assembler above.
*/
# define logstrcpy(dp, sp) for (; *dp = *sp; dp++, sp++)
#endif