ProcessDescriptor.h

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#ifndef GAUDIKERNEL_PROCESS_H
#define GAUDIKERNEL_PROCESS_H

// Framework include files
#include "GaudiKernel/Kernel.h"
#include "GaudiKernel/SystemBase.h"

namespace System
{
  // Forward declarations
  class ProcessDescriptor;
  ProcessDescriptor* getProcess();

  typedef struct _PEB* PPEB;
  struct PROCESS_BASIC_INFORMATION {
    long          ExitStatus;
    PPEB          PebBaseAddress;
    unsigned long AffinityMask;
    long          BasePriority;
    unsigned long UniqueProcessId;
    unsigned long InheritedFromUniqueProcessId;
  };

  struct QUOTA_LIMITS {
    unsigned long PagedPoolLimit;
    unsigned long NonPagedPoolLimit;
    unsigned long MinimumWorkingSetSize;
    unsigned long MaximumWorkingSetSize;
    unsigned long PagefileLimit;
    longlong      TimeLimit;
  };

  struct IO_COUNTERS {
    unsigned long ReadOperationCount;
    unsigned long WriteOperationCount;
    unsigned long OtherOperationCount;
    //      longlong ReadOperationCount;
    //      longlong WriteOperationCount;
    //      longlong OtherOperationCount;
    longlong ReadTransferCount;
    longlong WriteTransferCount;
    longlong OtherTransferCount;
  };

  struct VM_COUNTERS {
    unsigned long PeakVirtualSize;
    unsigned long VirtualSize;
    unsigned long PageFaultCount;
    unsigned long PeakWorkingSetSize;
    unsigned long WorkingSetSize;
    unsigned long QuotaPeakPagedPoolUsage;
    unsigned long QuotaPagedPoolUsage;
    unsigned long QuotaPeakNonPagedPoolUsage;
    unsigned long QuotaNonPagedPoolUsage;
    unsigned long PagefileUsage;
    unsigned long PeakPagefileUsage;
  };

  struct POOLED_USAGE_AND_LIMITS {
    unsigned long PeakPagedPoolUsage;
    unsigned long PagedPoolUsage;
    unsigned long PagedPoolLimit;
    unsigned long PeakNonPagedPoolUsage;
    unsigned long NonPagedPoolUsage;
    unsigned long NonPagedPoolLimit;
    unsigned long PeakPagefileUsage;
    unsigned long PagefileUsage;
    unsigned long PagefileLimit;
  };

  struct KERNEL_USER_TIMES {
    longlong CreateTime;
    longlong ExitTime;
    longlong KernelTime;
    longlong UserTime;
    // longlong EllapsedTime; // Added by M.Frank
  };

  class ProcessDescriptor
  {
    class ProcessHandle
    {
      void* m_handle;
      bool  m_needRelease;

    public:
      ProcessHandle( long pid );
      virtual ~ProcessHandle();
      long  item() { return m_needRelease ? 1 : 0; }
      void* handle() { return m_handle; }
    };

  public:
    ProcessDescriptor();
    virtual ~ProcessDescriptor();
    long query( long pid, InfoType info, PROCESS_BASIC_INFORMATION* buffer );
    long query( long pid, InfoType info, POOLED_USAGE_AND_LIMITS* buffer );
    long query( long pid, InfoType info, KERNEL_USER_TIMES* buffer );
    long query( long pid, InfoType info, QUOTA_LIMITS* buffer );
    long query( long pid, InfoType info, VM_COUNTERS* buffer );
    long query( long pid, InfoType info, IO_COUNTERS* buffer );
    long query( long pid, InfoType info, long* buffer );
  };

  inline ProcessDescriptor* getProcess()
  {
    static ProcessDescriptor p;
    return &p;
  }
}
#endif // GAUDIKERNEL_PROCESS_H