Re: xosview und kpm starten nicht mehr

[Thomas Mueller]

HS wrote:

> Seitdem ich den Kernel 2.2.5 installiert habe,lassen sich xosview und
> kpm (KDE-Prozeßmanagement) nicht mehr starten.
> 
> Weiss vieleicht jemand woran das liegen könnte?

Ja. Im /proc Filesystem sind die Pfade laenger geworden (IMHO von 256
Zeichen auf 512 verlaengert).

Wenn Du die selbe Version einsetzt wie ich (siehe 7. Zeile im File) kannst
Du einfach meine nehmen, ansonsten musst Du Deine entsprechend anpassen!


-- 
mfg Thomas Mueller - http://tmueller.home.pages.de - ICQ #17471620
//  
//  Copyright (c) 1994, 1995 by Mike Romberg ( [EMAIL PROTECTED] )
//
//  This file may be distributed under terms of the GPL
//
//
// $Id: cpumeter.cc,v 1.4 1997/12/02 20:03:42 bgrayson Exp $
//
#include "cpumeter.h"
#include "xosview.h"
#include <fstream.h>
#include <stdlib.h>
#include <string.h>
#include <strstream.h>
#include <ctype.h>

static const char STATFILENAME[] = "/proc/stat";

CPUMeter::CPUMeter(XOSView *parent, const char *cpuID)
: FieldMeterDecay( parent, 4, toUpper(cpuID), "USR/NICE/SYS/FREE" ) {
  _lineNum = findLine(cpuID);
  for ( int i = 0 ; i < 2 ; i++ )
    for ( int j = 0 ; j < 4 ; j++ )
      cputime_[i][j] = 0;
  cpuindex_ = 0;

}

CPUMeter::~CPUMeter( void ){
}

void CPUMeter::checkResources( void ){
  FieldMeterDecay::checkResources();

  setfieldcolor( 0, parent_->getResource( "cpuUserColor" ) );
  setfieldcolor( 1, parent_->getResource( "cpuNiceColor" ) );
  setfieldcolor( 2, parent_->getResource( "cpuSystemColor" ) );
  setfieldcolor( 3, parent_->getResource( "cpuFreeColor" ) );
  priority_ = atoi (parent_->getResource( "cpuPriority" ) );
  dodecay_ = !strcmp (parent_->getResource( "cpuDecay" ), "True" );
  SetUsedFormat (parent_->getResource("cpuUsedFormat"));
}

void CPUMeter::checkevent( void ){
  getcputime();
  drawfields();
}

void CPUMeter::getcputime( void ){
  total_ = 0;
  char tmp[512];
  ifstream stats( STATFILENAME );

  if ( !stats ){
    cerr <<"Can not open file : " <<STATFILENAME <<endl;
    exit( 1 );
  }

  // read until we are at the right line.
  for (int i = 0 ; i < _lineNum ; i++)
    stats.getline(tmp, 512);

  stats >>tmp >>cputime_[cpuindex_][0]  
              >>cputime_[cpuindex_][1]  
              >>cputime_[cpuindex_][2]  
              >>cputime_[cpuindex_][3];

  int oldindex = (cpuindex_+1)%2;
  for ( int i = 0 ; i < 4 ; i++ ){
    fields_[i] = cputime_[cpuindex_][i] - cputime_[oldindex][i];
    total_ += fields_[i];
  }

  if (total_){
    setUsed (total_ - fields_[3], total_);
    cpuindex_ = (cpuindex_ + 1) % 2;
  }
}

int CPUMeter::findLine(const char *cpuID){
  ifstream stats( STATFILENAME );

  if ( !stats ){
    cerr <<"Can not open file : " <<STATFILENAME <<endl;
    exit( 1 );
  }

  int line = -1;
  char buf[512];
  while (!stats.eof()){
    stats.getline(buf, 512);
    if (!stats.eof()){
      line++;
      if (!strncmp(cpuID, buf, strlen(cpuID)) && buf[strlen(cpuID)] == ' ')
        return line;
    }
  }
  return -1;
}

// Checks for the SMP kernel patch by [EMAIL PROTECTED]  
// http://www-isia.cma.fr/~forissie/smp_kernel_patch/
// If it finds that this patch has been applied to the current kernel 
// then returns the number of cpus that are on this machine.
int CPUMeter::countCPUs(void){
  ifstream stats( STATFILENAME );

  if ( !stats ){
    cerr <<"Can not open file : " <<STATFILENAME <<endl;
    exit( 1 );
  }

  int cpuCount = 0;
  char buf[512];
  while (!stats.eof()){
    stats.getline(buf, 512);
    if (!stats.eof()){
      if (!strncmp(buf, "cpu", 3) && buf[3] != ' ')
          cpuCount++;
    }
  }

  return cpuCount;
}

const char *CPUMeter::cpuStr(int num){
  static char buffer[32];
  ostrstream str(buffer, 32);
  
  str << "cpu";
  if (num != 0)
    str << (num - 1);
  str << ends;

  return buffer;
}

const char *CPUMeter::toUpper(const char *str){
  static char buffer[512];
  strcpy(buffer, str);
  for (char *tmp = buffer ; *tmp != '\0' ; tmp++)
    *tmp = toupper(*tmp);

  return buffer;
}