diff options
Diffstat (limited to 'core/pool_allocator.h')
| -rw-r--r-- | core/pool_allocator.h | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/core/pool_allocator.h b/core/pool_allocator.h index 2c5920149b..438548bfe4 100644 --- a/core/pool_allocator.h +++ b/core/pool_allocator.h @@ -41,66 +41,66 @@ */ enum { - + POOL_ALLOCATOR_INVALID_ID=-1 ///< default invalid value. use INVALID_ID( id ) to test }; class PoolAllocator { -public: +public: typedef int ID; -private: +private: enum { CHECK_BITS=8, CHECK_LEN=(1<<CHECK_BITS), CHECK_MASK=CHECK_LEN-1 - + }; - - + + struct Entry { - + unsigned int pos; unsigned int len; unsigned int lock; - unsigned int check; - + unsigned int check; + inline void clear() { pos=0; len=0; lock=0; check=0; } Entry() { clear(); } }; - - + + typedef int EntryArrayPos; typedef int EntryIndicesPos; - + Entry *entry_array; int *entry_indices; int entry_max; int entry_count; - + uint8_t *pool; void *mem_ptr; int pool_size; - + int free_mem; int free_mem_peak; unsigned int check_count; int align; - + bool needs_locking; - - inline int entry_end(const Entry& p_entry) const { - return p_entry.pos+aligned(p_entry.len); + + inline int entry_end(const Entry& p_entry) const { + return p_entry.pos+aligned(p_entry.len); } inline int aligned(int p_size) const { - + int rem=p_size%align; if (rem) p_size+=align-rem; - + return p_size; } - + void compact(int p_up_to=-1); void compact_up(int p_from=0); bool get_free_entry(EntryArrayPos* p_pos); @@ -108,14 +108,14 @@ private: bool find_entry_index(EntryIndicesPos *p_map_pos,Entry *p_entry); Entry* get_entry(ID p_mem); const Entry* get_entry(ID p_mem) const; - + void create_pool(void * p_mem,int p_size,int p_max_entries); -protected: +protected: virtual void mt_lock() const; ///< Reimplement for custom mt locking virtual void mt_unlock() const; ///< Reimplement for custom mt locking - + public: - + enum { DEFAULT_MAX_ALLOCS=4096, }; @@ -124,7 +124,7 @@ public: void free(ID p_mem); ///< Free allocated memory Error resize(ID p_mem,int p_new_size); ///< resize a memory chunk int get_size(ID p_mem) const; - + int get_free_mem(); ///< get free memory int get_used_mem() const; int get_free_peak(); ///< get free memory @@ -134,13 +134,13 @@ public: const void *get(ID p_mem) const; void unlock(ID p_mem); bool is_locked(ID p_mem) const; - + PoolAllocator(int p_size,bool p_needs_locking=false,int p_max_entries=DEFAULT_MAX_ALLOCS); PoolAllocator(void * p_mem,int p_size, int p_align = 1, bool p_needs_locking=false,int p_max_entries=DEFAULT_MAX_ALLOCS); PoolAllocator(int p_align,int p_size,bool p_needs_locking=false,int p_max_entries=DEFAULT_MAX_ALLOCS); - + virtual ~PoolAllocator(); - + }; #endif |