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    Length: 3541 (0xdd5)
    Types: TextFile
    Names: »zones.h«

└─⟦a0efdde77⟧ Bits:30001252 EUUGD11 Tape, 1987 Spring Conference Helsinki
    └─⟦this⟧ »EUUGD11/gnu-31mar87/scheme/microcode/zones.h« 

TextFile

/*          Hey EMACS, this is -*- C -*- code!                 */

/****************************************************************
*                                                               *
*                         Copyright (c) 1984                    *
*               Massachusetts Institute of Technology           *
*                                                               *
* This material was developed by the Scheme project at the      *
* Massachusetts Institute of Technology, Department of          *
* Electrical Engineering and Computer Science.  Permission to   *
* copy this software, to redistribute it, and to use it for any *
* purpose is granted, subject to the following restrictions and *
* understandings.                                               *
*                                                               *
* 1. Any copy made of this software must include this copyright *
* notice in full.                                               *
*                                                               *
* 2. Users of this software agree to make their best efforts (a)*
* to return to the MIT Scheme project any improvements or       *
* extensions that they make, so that these may be included in   *
* future releases; and (b) to inform MIT of noteworthy uses of  *
* this software.                                                *
*                                                               *
* 3.  All materials developed as a consequence of the use of    *
* this software shall duly acknowledge such use, in accordance  *
* with the usual standards of acknowledging credit in academic  *
* research.                                                     *
*                                                               *
* 4. MIT has made no warrantee or representation that the       *
* operation of this software will be error-free, and MIT is     *
* under no obligation to provide any services, by way of        *
* maintenance, update, or otherwise.                            *
*                                                               *
* 5.  In conjunction with products arising from the use of this *
* material, there shall be no use of the name of the            *
* Massachusetts Institute of Technology nor of any adaptation   *
* thereof in any advertising, promotional, or sales literature  *
* without prior written consent from MIT in each case.          *
*                                                               *
****************************************************************/
\f


/* File: ZONES.H
 *
 * Metering stuff.
 * We break all times into time zones suitable for external analysis.
 * Primitives may be included for accessing this information if desired
 * by supplying additional files.
 */

#ifdef METERING
extern long New_Time, Old_Time, Time_Meters[], Current_Zone;

#define Set_Time_Zone(Zone)	\
{ New_Time = Sys_Clock();\
  Time_Meters[Current_Zone] += New_Time-Old_Time;\
  Old_Time = New_Time;\
  Current_Zone = Zone;\
}

#define Save_Time_Zone(Zone)	Saved_Zone = Current_Zone; Set_Time_Zone(Zone);
#define Restore_Time_Zone()	Set_Time_Zone(Saved_Zone);

#else
#define Set_Time_Zone(Zone)
#define Save_Time_Zone(Zone)
#define Restore_Time_Zone()
#endif

#define Zone_Working 0
#define Zone_GetWork 1
#define Zone_TTY_IO 2
#define Zone_Disk_IO 3
#define Zone_Purify 4
#define Zone_GCLoop 5
#define Zone_Global_Int 6
#define Zone_Store_Lock 7
#define Zone_Math 8
#define Zone_GCIdle 9
#define Zone_Lookup 10

#define Max_Meters 11