This is a wrapper for System V shared memory.
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#include <SV_Shared_Memory.h>
Public Member Functions |
| | 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.
|
Protected Member Functions |
| 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.
|
Detailed Description
This is a wrapper for System V shared memory.
Member Enumeration Documentation
- Enumerator:
| ALIGN_WORDB |
Most restrictive alignment.
|
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 |
|
) |
| |
Member Function Documentation
| int ACE_SV_Shared_Memory::attach |
( |
void * |
virtual_addr = 0, |
|
|
int |
flags = 0 |
|
) |
| |
|
inline |
Attach this shared memory segment.
| int ACE_SV_Shared_Memory::control |
( |
int |
cmd, |
|
|
void * |
buf |
|
) |
| |
|
inline |
Forward to underlying System V <shmctl>.
| int ACE_SV_Shared_Memory::detach |
( |
void |
| ) |
|
|
inline |
Detach this shared memory segment.
| void ACE_SV_Shared_Memory::dump |
( |
void |
| ) |
const |
Dump the state of an object.
| ACE_HANDLE ACE_SV_Shared_Memory::get_id |
( |
void |
| ) |
const |
|
inline |
Return the ID of the shared memory segment (i.e., an ACE_HANDLE).
| void * ACE_SV_Shared_Memory::get_segment_ptr |
( |
void |
| ) |
const |
|
inline |
| size_t ACE_SV_Shared_Memory::get_segment_size |
( |
void |
| ) |
const |
|
inline |
| int ACE_SV_Shared_Memory::remove |
( |
void |
| ) |
|
|
inline |
Remove this shared memory segment.
| size_t ACE_SV_Shared_Memory::round_up |
( |
size_t |
len | ) |
|
|
inlineprotected |
Round up to an appropriate page size.
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 |
| 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.
The documentation for this class was generated from the following files: