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LOW_sharedMemSegment_SysV Class Reference

Platform specific sharedMemSegment for Unix System V platforms. More...

#include <LOW_sharedMemSegment_SysV.h>

Inheritance diagram for LOW_sharedMemSegment_SysV:

[legend]Collaboration diagram for LOW_sharedMemSegment_SysV:

[legend]List of all members.

Public Methods
	LOW_sharedMemSegment_SysV (const LOW_sharedMemSegmentFactory::sharedMemSegmentIPCKey_t inKey, const unsigned int inSize)
	Constructor. More...
virtual	~LOW_sharedMemSegment_SysV ()
	Destructor. More...
void *	get () const
	Get a pointer to the shared memory segment. More...
Private Attributes
const key_t	sharedMemSegKey
	IPC key of the segment. More...
int	sharedMemSegID
	Sys V segment ID. More...
void *	sharedMemPtr
	Pointer to the segment. More...
Static Private Attributes
const int	SHM_PERMS = 0770
	Permissions for the shm segments. More...

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Detailed Description

Platform specific sharedMemSegment for Unix System V platforms.

Author:

Harald Roelle, Helmut Reiser

Definition at line 30 of file LOW_sharedMemSegment_SysV.h.

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Constructor & Destructor Documentation

LOW_sharedMemSegment_SysV::LOW_sharedMemSegment_SysV (  const LOW_sharedMemSegmentFactory::sharedMemSegmentIPCKey_t    inKey, const unsigned int    inSize )

Constructor. Parameters: inSharedMemIPCKey  Unique identifier for new shared memory segment. To get such an identifier see LOW_IPCKeyGenerator. inSize  Size of the segment in bytes. Definition at line 32 of file LOW_sharedMemSegment_SysV.cpp. References sharedMemPtr, sharedMemSegID, sharedMemSegKey, and SHM_PERMS.

LOW_sharedMemSegment_SysV::~LOW_sharedMemSegment_SysV (    )  [virtual]

Destructor. Definition at line 53 of file LOW_sharedMemSegment_SysV.cpp. References sharedMemPtr, and sharedMemSegID.

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Member Function Documentation

void * LOW_sharedMemSegment_SysV::get (    )  const [virtual]

Get a pointer to the shared memory segment. Abstract method to be implemented by derived class. Returns: Pointer to the shared memory segment. Reimplemented from LOW_sharedMemSegment. Definition at line 67 of file LOW_sharedMemSegment_SysV.cpp. References sharedMemPtr.

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Member Data Documentation

void* LOW_sharedMemSegment_SysV::sharedMemPtr [private]

Pointer to the segment. Definition at line 79 of file LOW_sharedMemSegment_SysV.h. Referenced by get(), LOW_sharedMemSegment_SysV(), and ~LOW_sharedMemSegment_SysV().

int LOW_sharedMemSegment_SysV::sharedMemSegID [private]

Sys V segment ID. Definition at line 78 of file LOW_sharedMemSegment_SysV.h. Referenced by LOW_sharedMemSegment_SysV(), and ~LOW_sharedMemSegment_SysV().

const key_t LOW_sharedMemSegment_SysV::sharedMemSegKey [private]

IPC key of the segment. Definition at line 77 of file LOW_sharedMemSegment_SysV.h. Referenced by LOW_sharedMemSegment_SysV().

const int LOW_sharedMemSegment_SysV::SHM_PERMS = 0770 [static, private]

Permissions for the shm segments. Definition at line 69 of file LOW_sharedMemSegment_SysV.h. Referenced by LOW_sharedMemSegment_SysV().

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

• LOW_sharedMemSegment_SysV.h
• LOW_sharedMemSegment_SysV.cpp

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