DataBlockLockPool Class Reference

Holds and distributes locks to be used for locking ACE_Data_Blocks. Currently it does not require returning the locks. More...

#include <DataBlockLockPool.h>

Inheritance diagram for DataBlockLockPool:

[legend]Collaboration diagram for DataBlockLockPool:

[legend]List of all members.

Public Types
typedef ACE_Lock_Adapter< ACE_Thread_Mutex >	DataBlockLock
Public Member Functions
	DataBlockLockPool (unsigned long size)
	~DataBlockLockPool ()
DataBlockLock *	get_lock ()
Private Types
typedef ACE_Array< DataBlockLock >	Pool
Private Attributes
Pool	pool_
const unsigned long	size_
ACE_Atomic_Op< ACE_Thread_Mutex, unsigned long >	iterator_
	Counter used to track which lock to give out next (modulus size_).

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Detailed Description

Holds and distributes locks to be used for locking ACE_Data_Blocks. Currently it does not require returning the locks.

Note:

: The lock returned is not guaranteed to be unique.

: This class is thread safe.

Definition at line 28 of file DataBlockLockPool.h.

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Member Typedef Documentation

typedef ACE_Lock_Adapter<ACE_Thread_Mutex> DataBlockLockPool::DataBlockLock

Definition at line 30 of file DataBlockLockPool.h.

typedef ACE_Array<DataBlockLock> DataBlockLockPool::Pool [private]

Definition at line 47 of file DataBlockLockPool.h.

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Constructor & Destructor Documentation

DataBlockLockPool::DataBlockLockPool

(

unsigned long

size

)

[inline]

Definition at line 32 of file DataBlockLockPool.h.

    : pool_(size),
      size_(size),
      iterator_(0)
  {
  }

DataBlockLockPool::~DataBlockLockPool

(

)

[inline]

Definition at line 39 of file DataBlockLockPool.h.

{ }

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Member Function Documentation

DataBlockLock* DataBlockLockPool::get_lock

(

)

[inline]

Definition at line 41 of file DataBlockLockPool.h.

                             {
    unsigned long index = iterator_++ % size_;
    return &(pool_[index]);
  }

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Member Data Documentation

ACE_Atomic_Op<ACE_Thread_Mutex, unsigned long> DataBlockLockPool::iterator_ [private]

Counter used to track which lock to give out next (modulus size_).

Definition at line 52 of file DataBlockLockPool.h.

Pool DataBlockLockPool::pool_ [private]

Definition at line 49 of file DataBlockLockPool.h.

const unsigned long DataBlockLockPool::size_ [private]

Definition at line 50 of file DataBlockLockPool.h.

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

• DataBlockLockPool.h

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