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ACE_SV_Shared_Memory Class Reference

This is a wrapper for System V shared memory. More...

#include <SV_Shared_Memory.h>

List of all members.

Public Types
enum	{ ACE_CREATE = IPC_CREAT, ACE_OPEN = 0 }
Public Methods
	ACE_SV_Shared_Memory (void)
	ACE_SV_Shared_Memory (key_t external_id, size_t size, int create, int perms=ACE_DEFAULT_FILE_PERMS, void *virtual_addr=0, int flags=0)
	ACE_SV_Shared_Memory (ACE_HANDLE internal_id, int flags=0)
int	open (key_t external_id, size_t size, int create=ACE_SV_Shared_Memory::ACE_OPEN, int perms=ACE_DEFAULT_FILE_PERMS)
int	open_and_attach (key_t external_id, size_t size, int create=ACE_SV_Shared_Memory::ACE_OPEN, int perms=ACE_DEFAULT_FILE_PERMS, void *virtual_addr=0, int flags=0)
int	attach (void *virtual_addr=0, int flags=0)
	Attach this shared memory segment.
int	detach (void)
	Detach this shared memory segment.
int	remove (void)
	Remove this shared memory segment.
int	control (int cmd, void *buf)
	Forward to underlying System V <shmctl>.
void *	get_segment_ptr (void) const
size_t	get_segment_size (void) const
ACE_HANDLE	get_id (void) const
	Return the ID of the shared memory segment (i.e., an ACE_HANDLE).
void	dump (void) const
	Dump the state of an object.
Public Attributes
	ACE_ALLOC_HOOK_DECLARE
	Declare the dynamic allocation hooks.
Protected Types
enum	{ ALIGN_WORDB = 8 }
Protected Methods
size_t	round_up (size_t len)
	Round up to an appropriate page size.
Protected Attributes
ACE_HANDLE	internal_id_
	Internal identifier.
size_t	size_
	Size of the mapped segment.
void *	segment_ptr_
	Pointer to the beginning of the segment.

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Detailed Description

This is a wrapper for System V shared memory.

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Member Enumeration Documentation

anonymous enum

Enumeration values: ACE_CREATE  ACE_OPEN

anonymous enum [protected]

Enumeration values: ALIGN_WORDB  Most restrictive alignment.

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Constructor & Destructor Documentation

ACE_SV_Shared_Memory::ACE_SV_Shared_Memory (  void    )

ACE_SV_Shared_Memory::ACE_SV_Shared_Memory (  key_t    external_id, size_t    size, int    create, int    perms = ACE_DEFAULT_FILE_PERMS, void *    virtual_addr = 0, int    flags = 0 )

ACE_SV_Shared_Memory::ACE_SV_Shared_Memory (  ACE_HANDLE    internal_id, int    flags = 0 )

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Member Function Documentation

ACE_INLINE int ACE_SV_Shared_Memory::attach (  void *    virtual_addr = 0, int    flags = 0 )

Attach this shared memory segment.

ACE_INLINE int ACE_SV_Shared_Memory::control (  int    cmd, void *    buf )

Forward to underlying System V <shmctl>.

ACE_INLINE int ACE_SV_Shared_Memory::detach (  void    )

Detach this shared memory segment.

void ACE_SV_Shared_Memory::dump (  void    )  const

Dump the state of an object.

ACE_INLINE ACE_HANDLE ACE_SV_Shared_Memory::get_id (  void    )  const

Return the ID of the shared memory segment (i.e., an ACE_HANDLE).

ACE_INLINE void * ACE_SV_Shared_Memory::get_segment_ptr (  void    )  const

ACE_INLINE size_t ACE_SV_Shared_Memory::get_segment_size (  void    )  const

ACE_INLINE int ACE_SV_Shared_Memory::open (  key_t    external_id, size_t    size, int    create = ACE_SV_Shared_Memory::ACE_OPEN, int    perms = ACE_DEFAULT_FILE_PERMS )

int ACE_SV_Shared_Memory::open_and_attach (  key_t    external_id, size_t    size, int    create = ACE_SV_Shared_Memory::ACE_OPEN, int    perms = ACE_DEFAULT_FILE_PERMS, void *    virtual_addr = 0, int    flags = 0 )

ACE_INLINE int ACE_SV_Shared_Memory::remove (  void    )

Remove this shared memory segment.

ACE_INLINE size_t ACE_SV_Shared_Memory::round_up (  size_t    len )  [protected]

Round up to an appropriate page size.

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Member Data Documentation

ACE_SV_Shared_Memory::ACE_ALLOC_HOOK_DECLARE

Declare the dynamic allocation hooks.

ACE_HANDLE ACE_SV_Shared_Memory::internal_id_ [protected]

Internal identifier.

void* ACE_SV_Shared_Memory::segment_ptr_ [protected]

Pointer to the beginning of the segment.

size_t ACE_SV_Shared_Memory::size_ [protected]

Size of the mapped segment.

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

• /export2/deucetmp/bala/release_try/ACE_wrappers/ace/SV_Shared_Memory.h
• /export2/deucetmp/bala/release_try/ACE_wrappers/ace/SV_Shared_Memory.cpp
• /export2/deucetmp/bala/release_try/ACE_wrappers/ace/SV_Shared_Memory.i

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