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:

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Collaboration diagram for ACE_Shared_Memory_SV:

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List of all members.

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, 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 underlying shared memory segment.
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
void dump (void) const
 Dump the state of an object.

Public Attributes

 ACE_ALLOC_HOOK_DECLARE
 Declare the dynamic allocation hooks.

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. For more a powerful memory allocator please see <ACE_Malloc>.


Member Enumeration Documentation

anonymous enum
 

Enumerator:
ACE_CREATE 
ACE_OPEN 


Constructor & Destructor Documentation

ACE_INLINE ACE_Shared_Memory_SV::ACE_Shared_Memory_SV void   ) 
 

ACE_Shared_Memory_SV::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
 


Member Function Documentation

ACE_INLINE 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.

ACE_INLINE 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_INLINE 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.

ACE_INLINE int ACE_Shared_Memory_SV::get_segment_size void   )  const [virtual]
 

Return the size of the shared memory segment.

Implements ACE_Shared_Memory.

ACE_INLINE void * ACE_Shared_Memory_SV::malloc size_t  = 0  )  [virtual]
 

Create a new chuck of memory containing <size> bytes.

Implements ACE_Shared_Memory.

ACE_INLINE int ACE_Shared_Memory_SV::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
 

ACE_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.


The documentation for this class was generated from the following files:
Generated on Wed Nov 23 15:50:28 2005 for ACE by  doxygen 1.4.5