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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// ace
//
// = FILENAME
// Shared_Memory_SV.h
//
// = AUTHOR
// Doug Schmidt
//
// ============================================================================
#if !defined (ACE_SHARED_MALLOC_SV_H)
#define ACE_SHARED_MALLOC_SV_H
#include "ace/Shared_Memory.h"
#include "ace/SV_Shared_Memory.h"
class ACE_Export ACE_Shared_Memory_SV : public ACE_Shared_Memory
// = TITLE
// Shared memory wrapper based on System V shared memory.
{
public:
enum
{
ACE_CREATE = IPC_CREAT,
ACE_OPEN = 0
};
// = Initialization and termination methods.
ACE_Shared_Memory_SV (void);
ACE_Shared_Memory_SV (key_t id,
int length,
int create = ACE_Shared_Memory_SV::ACE_OPEN,
int perms = ACE_DEFAULT_FILE_PERMS,
void *addr = 0,
int flags = 0);
int open (key_t id,
int length,
int create = ACE_Shared_Memory_SV::ACE_OPEN,
int perms = ACE_DEFAULT_FILE_PERMS,
void *addr = 0,
int flags = 0);
virtual int close (void);
// Close down the shared memory segment.
virtual int remove (void);
// Remove the shared memory segment and the underlying file.
// = Allocation and deallocation methods.
virtual void *malloc (size_t = 0);
// Create a new chuck of memory containing <size> bytes.
virtual int free (void *p);
// Free a chuck of memory allocated by <ACE_Shared_Memory_SV::malloc>.
virtual int get_segment_size (void) const;
// Return the size of the shared memory segment.
virtual ACE_HANDLE get_id (void) const;
// Return the ID of the shared memory segment (i.e., a System V
// shared memory internal id).
void dump (void) const;
// Dump the state of an object.
ACE_ALLOC_HOOK_DECLARE;
// Declare the dynamic allocation hooks.
private:
ACE_SV_Shared_Memory shared_memory_;
// This version is implemented with System V shared memory
// segments.
};
#if defined (__ACE_INLINE__)
#include "ace/Shared_Memory_SV.i"
#endif /* __ACE_INLINE__ */
#endif /* ACE_SHARED_MALLOC_SV_H */
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