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SharedMemPager Class Reference

The shared mempager uses a mutex to protect key access methods. mutex protected memory pager. More...

#include <misc.h>

Inheritance diagram for SharedMemPager::

List of all members.

Protected Methods
	SharedMemPager (int pg=4096)
	Create a mempager mutex pool. More...
void	purge (void)
	Purge the memory pool while locked. More...
void *	first (size_t size)
	Get the first memory page after locking. More...
void *	alloc (size_t size)
	Get the last memory page after locking. More...

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Detailed Description

The shared mempager uses a mutex to protect key access methods. mutex protected memory pager.

This class is used when a mempager will be shared by multiple threads.

Author:

David Sugar <dyfet@ostel.com>

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Constructor & Destructor Documentation

SharedMemPager::SharedMemPager (  int   pg = 4096 )  [protected]

Create a mempager mutex pool. Parameters: pagesize   for allocation.

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Member Function Documentation

void* SharedMemPager::alloc (  size_t   size )  [protected, virtual]

Get the last memory page after locking. Returns: allocated memory space. Parameters: size   of request. Reimplemented from MemPager.

void* SharedMemPager::first (  size_t   size )  [protected, virtual]

Get the first memory page after locking. Returns: allocated memory space. Parameters: size   of request. Reimplemented from MemPager.

void SharedMemPager::purge (  void   )  [protected]

Purge the memory pool while locked. Reimplemented from MemPager.

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

• misc.h

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