System::ProcessDescriptor::ProcessHandle Class Reference

Public Member Functions
	ProcessHandle (long pid)
virtual	~ProcessHandle ()
long	item ()
void *	handle ()

Private Attributes
void *	m_handle
bool	m_needRelease

Detailed Description

Definition at line 111 of file ProcessDescriptor.h.

Constructor & Destructor Documentation

System::ProcessDescriptor::ProcessHandle::ProcessHandle

(

long

pid

)

Definition at line 400 of file ProcessDescriptor.cpp.

                                                              {
  if ( pid > 0 )    {
    if ( pid != s_myPid )    {
#ifdef _WIN32
      m_handle = ::OpenProcess(PROCESS_QUERY_INFORMATION|PROCESS_VM_READ,FALSE,
                               pid);
#else
      // Note: the return type of getpid is pid_t, which is int on 64bit machines too
      m_handle = reinterpret_cast<void*>(static_cast<long>(s_myPid));
#endif
      m_needRelease = true;
      return;
    }
  }
  m_handle = processHandle();
  m_needRelease = false;
}

System::ProcessDescriptor::ProcessHandle::~ProcessHandle ( )

virtual

Definition at line 418 of file ProcessDescriptor.cpp.

                                                       {
  if ( m_needRelease )    {
#ifdef _WIN32
    ::CloseHandle(m_handle);
#else
      m_handle = 0;
#endif
  }
}

Member Function Documentation

void* System::ProcessDescriptor::ProcessHandle::handle ( )

inline

Definition at line 120 of file ProcessDescriptor.h.

                        {
        return m_handle;
      }

long System::ProcessDescriptor::ProcessHandle::item ( )

inline

Definition at line 117 of file ProcessDescriptor.h.

                   {
        return m_needRelease ? 1 : 0;
      }

Member Data Documentation

void* System::ProcessDescriptor::ProcessHandle::m_handle

private

Definition at line 112 of file ProcessDescriptor.h.

bool System::ProcessDescriptor::ProcessHandle::m_needRelease

private

Definition at line 113 of file ProcessDescriptor.h.

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The documentation for this class was generated from the following files:

• GaudiKernel/src/Lib/ProcessDescriptor.h
• GaudiKernel/src/Lib/ProcessDescriptor.cpp