ACE_Shared_Memory_SV Class Reference

Shared memory wrapper based on System V shared memory. More...

#include <Shared_Memory_SV.h>

Inheritance diagram for ACE_Shared_Memory_SV:

Collaboration diagram for ACE_Shared_Memory_SV:

Public Types
enum	{ ACE_CREATE = IPC_CREAT, ACE_OPEN = 0 }

Public Member Functions
	ACE_Shared_Memory_SV (void)
	ACE_Shared_Memory_SV (key_t id, size_t 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, size_t 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. More...
virtual int	remove (void)
	Remove the underlying shared memory segment. More...
virtual void *	malloc (size_t=0)
	Create a new chuck of memory containing size bytes. More...
virtual int	free (void *p)
	Free a chuck of memory allocated by <ACE_Shared_Memory_SV::malloc>. More...
virtual size_t	get_segment_size (void) const
	Return the size of the shared memory segment. More...
virtual ACE_HANDLE	get_id (void) const
void	dump (void) const
	Dump the state of an object. More...
Public Member Functions inherited from ACE_Shared_Memory
virtual	~ACE_Shared_Memory (void)

Public Attributes
	ACE_ALLOC_HOOK_DECLARE
	Declare the dynamic allocation hooks. More...

Private Attributes
ACE_SV_Shared_Memory	shared_memory_

Detailed Description

Shared memory wrapper based on System V shared memory.

This class provides a very simple-minded shared memory manager. We strongly recommend that you do NOT use this class. Instead, please use ACE_Malloc, which has much more powerful capabilities.

Member Enumeration Documentation

anonymous enum

Enumerator
ACE_CREATE
ACE_OPEN

Constructor & Destructor Documentation

ACE_Shared_Memory_SV::ACE_Shared_Memory_SV ( void  )

inline

ACE_Shared_Memory_SV::ACE_Shared_Memory_SV	(	key_t	id,
		size_t	length,
		int	create = ACE_Shared_Memory_SV::ACE_OPEN,
		int	perms = ACE_DEFAULT_FILE_PERMS,
		void *	addr = 0,
		int	flags = 0
	)

Member Function Documentation

int ACE_Shared_Memory_SV::close ( void  )

virtual

Close down the shared memory segment.

Implements ACE_Shared_Memory.

void ACE_Shared_Memory_SV::dump

(

void

)

const

Dump the state of an object.

int ACE_Shared_Memory_SV::free ( void *  p )

virtual

Free a chuck of memory allocated by <ACE_Shared_Memory_SV::malloc>.

Implements ACE_Shared_Memory.

ACE_HANDLE ACE_Shared_Memory_SV::get_id ( void  ) const

virtual

Return the ID of the shared memory segment (i.e., a System V shared memory internal id).

Implements ACE_Shared_Memory.

size_t ACE_Shared_Memory_SV::get_segment_size ( void  ) const

virtual

Return the size of the shared memory segment.

Implements ACE_Shared_Memory.

void * ACE_Shared_Memory_SV::malloc ( size_t  = 0 )

virtual

Create a new chuck of memory containing size bytes.

Implements ACE_Shared_Memory.

int ACE_Shared_Memory_SV::open ( key_t  id, size_t  length, int  create = ACE_Shared_Memory_SV::ACE_OPEN, int  perms = ACE_DEFAULT_FILE_PERMS, void *  addr = 0, int  flags = 0  )

inline

int ACE_Shared_Memory_SV::remove ( void  )

virtual

Remove the underlying shared memory segment.

Implements ACE_Shared_Memory.

Member Data Documentation

ACE_Shared_Memory_SV::ACE_ALLOC_HOOK_DECLARE

Declare the dynamic allocation hooks.

ACE_SV_Shared_Memory ACE_Shared_Memory_SV::shared_memory_

private

This version is implemented with System V shared memory segments.

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

• Shared_Memory_SV.h
• Shared_Memory_SV.cpp
• Shared_Memory_SV.inl