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/* Copyright (c) 1991 NeXT Computer, Inc. All rights reserved.
*
* debuggingMsg.h - exported interface to driver debugging module (DDM)
* server. This interface is used by Apps like Viewers
* and other modules which must collect and/or analyze
* DDM data (as opposed to those modules which generate
* DDM data).
*
* HISTORY
* 22-Feb-91 Doug Mitchell at NeXT
* Created.
*/
#import <mach/message.h>
#import <kernserv/clock_timer.h>
/*
* Message format for communicating with DDM server.
*/
#define IO_DDM_STRING_LENGTH 128
typedef struct {
msg_header_t header; /* standard header */
msg_type_t argType; /* describes args*/
unsigned index; /* index into */
/* IODebuggingMasks[] or*/
/* actual log array */
unsigned maskValue;
unsigned status; /* I/O result*/
/*
* TBD - can't pass long longs in mach message (yet).
* As of 30 Nov. 92, all IODebuggingMsg's contain 32 bits of
* microseconds in timestampLowInt, stored big-endian.
*/
unsigned timestampHighInt;
unsigned timestampLowInt;
int cpuNumber;
msg_type_t stringType; /* describes string*/
char string[IO_DDM_STRING_LENGTH];
} IODDMMsg;
/*
* Values for IODebuggingMsg.header.msg_id.
*/
#define IO_DDM_MSG_BASE 0x545454
#define IO_LOCK_DDM_MSG (IO_DDM_MSG_BASE + 0)
/* freeze state of DDM*/
#define IO_UNLOCK_DDM_MSG (IO_DDM_MSG_BASE + 1)
/* unfreeze state of DDM*/
#define IO_GET_DDM_ENTRY_MSG (IO_DDM_MSG_BASE + 2)
/* get a DDM string */
#define IO_SET_DDM_MASK_MSG (IO_DDM_MSG_BASE + 3)
/* set IODDMMasks*/
#define IO_CLEAR_DDM_MSG (IO_DDM_MSG_BASE + 4)
/* clear DDM log*/
/*
* Values for IODebuggingMsg.status.
*/
#define IO_DDM_SUCCESS 0
#define IO_NO_DDM_BUFFER 1 /* no entry at specified*/
/* offset*/
#define IO_BAD_DDM_INDEX 2 /* invalid index*/
/*
* Extract an unsigned long long from msg->timestampHighInt and
* msg.timestampLowInt.
*/
static inline ns_time_t IONsTimeFromDDMMsg(IODDMMsg *msg)
{
ns_time_t ns;
ns = ((unsigned long long)(msg->timestampHighInt)) << 32;
ns += msg->timestampLowInt;
return ns;
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.