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// $Id$
// ============================================================================
//
// = LIBRARY
// ace
//
// = FILENAME
// Handle_Gobbler.h
//
// = AUTHOR
// Kirthika Parameswaran <kirthika@cs.wustl.edu>
// Irfan Pyarali <irfan@cs.wustl.edu>
//
// ============================================================================
#ifndef ACE_HANDLE_GOBBLER_H
#define ACE_HANDLE_GOBBLER_H
#include "ace/pre.h"
#include "ace/OS.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Containers_T.h"
class ACE_Handle_Gobbler
{
// = TITLE
// This class gobbles up handles.
//
// = DESCRIPTION
// This is useful when we need to control the number of handles
// available for a process. This class is mostly used for
// testing purposes.
public:
inline ~ACE_Handle_Gobbler (void);
// Destructor. Cleans up any remaining handles.
inline int consume_handles (size_t n_handles_to_keep_available);
// Handles are opened continously until the process runs out of
// them, and then <n_handles_to_keep_available> handles are closed
// (freed) thereby making them usable in the future.
inline int free_handles (size_t n_handles);
// Free up <n_handles>.
inline void close_remaining_handles (void);
// All remaining handles are closed.
private:
typedef ACE_Unbounded_Set<ACE_HANDLE> HANDLE_SET;
HANDLE_SET handle_set_;
// The container which holds the open descriptors.
};
#include "ace/Handle_Gobbler.i"
#include "ace/post.h"
#endif /* ACE_HANDLE_GOBBLER_H */
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