foedus::cache::CacheRefCount Struct Reference

A loosely maintained reference count for CLOCK algorithm. More...

Detailed Description

A loosely maintained reference count for CLOCK algorithm.

Definition at line 163 of file cache_hashtable.hpp.

#include <cache_hashtable.hpp>

Public Member Functions
void	increment () __attribute__((always_inline))
bool	decrement (uint16_t subtract) __attribute__((always_inline))
	returns whether the counter is still non-zero More...

Public Attributes
uint16_t	count_

Member Function Documentation

bool foedus::cache::CacheRefCount::decrement ( uint16_t  subtract )

inline

returns whether the counter is still non-zero

Definition at line 172 of file cache_hashtable.hpp.

Referenced by foedus::cache::CacheHashtable::evict_main_loop(), and foedus::cache::CacheHashtable::evict_overflow_loop().

                                                  {
    if (count_ >= subtract) {
      count_ -= subtract;
    } else {
      count_ = 0;
    }
    return (count_ > 0);
  }

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void foedus::cache::CacheRefCount::increment ( )

inline

Definition at line 166 of file cache_hashtable.hpp.

References count_.

Referenced by foedus::cache::CacheHashtable::find(), and foedus::cache::CacheHashtable::find_batch().

                                 {
    if (count_ < 0xFFFFU) {
      ++count_;
    }
  }

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Member Data Documentation

uint16_t foedus::cache::CacheRefCount::count_

Definition at line 164 of file cache_hashtable.hpp.

Referenced by foedus::cache::CacheHashtable::CacheHashtable(), increment(), and foedus::cache::CacheHashtable::install().

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

• /home/shino/foedus_code/foedus-core/include/foedus/cache/cache_hashtable.hpp