NAME¶

ost::SharedMemPager - The shared mempager uses a mutex to protect key access methods.

SYNOPSIS¶

#include <misc.h> Inherits ost::MemPager, and ost::Mutex.

Protected Member Functions¶

SharedMemPager (size_t pagesize=4096, const char *name=NULL) Create a mempager mutex pool. void purge (void) Purge the memory pool while locked. void * first (size_t size) Get the first memory page after locking. void * alloc (size_t size) Get the last memory page after locking.

Additional Inherited Members¶

Detailed Description¶

The shared mempager uses a mutex to protect key access methods. This class is used when a mempager will be shared by multiple threads. Author:

Constructor & Destructor Documentation¶

ost::SharedMemPager::SharedMemPager (size_tpagesize = 4096, const char *name = NULL) [protected]¶

Create a mempager mutex pool. Parameters:

Member Function Documentation¶

void* ost::SharedMemPager::alloc (size_tsize) [protected], [virtual]¶

Get the last memory page after locking. Returns: Parameters: Reimplemented from ost::MemPager.

void* ost::SharedMemPager::first (size_tsize) [protected], [virtual]¶

Get the first memory page after locking. Returns: Parameters: Reimplemented from ost::MemPager.

void ost::SharedMemPager::purge (void) [protected]¶

Purge the memory pool while locked. Reimplemented from ost::MemPager.

Author¶

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