CPUInfo.h

   1 /*
   2  *      CPU History
   3  *      Christopher Bowns, 2008
   4  */
   5 //
   6 //  CPUInfo.h
   7 //  CPU Usage
   8 //
   9 //  Created by Peter Hosey on 2006-06-21.
  10 //  Copyright 2006 Peter Hosey. All rights reserved.
  11 //
  12 //  Modified by Christopher Bowns, starting 2008-1-1.
  13
  14 #import <Cocoa/Cocoa.h>
  15
  16 #include <mach/mach.h>
  17 #include <mach/processor_info.h>
  18 #include <mach/mach_host.h>
  19
  20 typedef struct cpudata {
  21         double user;
  22         double sys;
  23         double nice;
  24         double idle;
  25 } CPUData, *CPUDataPtr;
  26
  27 @interface CPUInfo : NSObject {
  28         processor_info_array_t lastProcessorInfo;
  29         mach_msg_type_number_t numLastProcessorInfo;
  30         unsigned numCPUs;
  31         CPUDataPtr cpudata;
  32         int size;
  33         int inptr;
  34         int outptr;
  35 }
  36
  37 - (CPUInfo *)initWithCapacity:(unsigned)numItems;
  38 - (void)refresh;
  39 - (void)startIterate;
  40 - (BOOL)getNext:(CPUDataPtr)ptr;
  41 - (void)getCurrent:(CPUDataPtr)ptr;
  42 - (void)getLast:(CPUDataPtr)ptr;
  43 - (int)getSize;
  44
  45 @end