ACE
6.3.3
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This is a wrapper for System V shared memory. More...
#include <SV_Shared_Memory.h>
Public Types | |
enum | { ACE_CREATE = IPC_CREAT, ACE_OPEN = 0 } |
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. More... | |
int | detach (void) |
Detach this shared memory segment. More... | |
int | remove (void) |
Remove this shared memory segment. More... | |
int | control (int cmd, void *buf) |
Forward to underlying System V <shmctl>. More... | |
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). More... | |
void | dump (void) const |
Dump the state of an object. More... | |
Public Attributes | |
ACE_ALLOC_HOOK_DECLARE | |
Declare the dynamic allocation hooks. More... | |
Protected Types | |
enum | { ALIGN_WORDB = 8 } |
Protected Member Functions | |
size_t | round_up (size_t len) |
Round up to an appropriate page size. More... | |
Protected Attributes | |
ACE_HANDLE | internal_id_ |
Internal identifier. More... | |
size_t | size_ |
Size of the mapped segment. More... | |
void * | segment_ptr_ |
Pointer to the beginning of the segment. More... | |
This is a wrapper for System V shared memory.
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 , |
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void * | virtual_addr = 0 , |
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int | flags = 0 |
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) |
ACE_SV_Shared_Memory::ACE_SV_Shared_Memory | ( | ACE_HANDLE | internal_id, |
int | flags = 0 |
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) |
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inline |
Attach this shared memory segment.
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inline |
Forward to underlying System V <shmctl>.
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inline |
Detach this shared memory segment.
void ACE_SV_Shared_Memory::dump | ( | void | ) | const |
Dump the state of an object.
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inline |
Return the ID of the shared memory segment (i.e., an ACE_HANDLE).
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inline |
int ACE_SV_Shared_Memory::open_and_attach | ( | key_t | external_id, |
size_t | size, | ||
int | create = ACE_SV_Shared_Memory::ACE_OPEN , |
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int | perms = ACE_DEFAULT_FILE_PERMS , |
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void * | virtual_addr = 0 , |
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int | flags = 0 |
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) |
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inline |
Remove this shared memory segment.
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inlineprotected |
Round up to an appropriate page size.
ACE_SV_Shared_Memory::ACE_ALLOC_HOOK_DECLARE |
Declare the dynamic allocation hooks.
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protected |
Internal identifier.
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protected |
Pointer to the beginning of the segment.
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protected |
Size of the mapped segment.