memory_arena.h File Reference

#include "system/dtpthread.h"
#include <glib.h>
#include <stdint.h>

Include dependency graph for memory_arena.h:

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Data Structures
struct	dt_cache_arena_t

Typedefs
typedef struct dt_cache_arena_t	dt_cache_arena_t

Functions
gboolean	dt_cache_arena_calc (const dt_cache_arena_t *a, size_t size, uint32_t *out_pages, size_t *out_size)
void *	dt_cache_arena_alloc (dt_cache_arena_t *a, size_t size, size_t *out_size)
void	dt_cache_arena_free (dt_cache_arena_t *a, void *ptr, size_t size)
void	dt_cache_arena_stats (dt_cache_arena_t *a, uint32_t *out_total_free_pages, uint32_t *out_largest_free_run_pages)
size_t	dt_cache_arena_trim (dt_cache_arena_t *a)
int	dt_cache_arena_init (dt_cache_arena_t *a, size_t total_size)
void	dt_cache_arena_cleanup (dt_cache_arena_t *a)
gboolean	dt_cache_arena_ptr_in (const dt_cache_arena_t *a, const void *ptr)

Typedef Documentation

dt_cache_arena_t

typedef struct dt_cache_arena_t dt_cache_arena_t

Function Documentation

dt_cache_arena_alloc()

void * dt_cache_arena_alloc	(	dt_cache_arena_t *	a,
		size_t	size,
		size_t *	out_size
	)

Definition at line 86 of file memory_arena.c.

References dt_cache_arena_calc(), dt_cache_arena_free(), dt_pthread_mutex_lock(), dt_pthread_mutex_unlock(), i, IS_NULL_PTR, r, and size.

Referenced by _arena_alloc_with_defrag().

dt_cache_arena_calc()

gboolean dt_cache_arena_calc	(	const dt_cache_arena_t *	a,
		size_t	size,
		uint32_t *	out_pages,
		size_t *	out_size
	)

Definition at line 59 of file memory_arena.c.

References FALSE, IS_NULL_PTR, pages, size, and TRUE.

Referenced by _arena_alloc_with_defrag(), dt_cache_arena_alloc(), dt_cache_arena_free(), and dt_pixel_cache_new_entry().

dt_cache_arena_cleanup()

void dt_cache_arena_cleanup

(

dt_cache_arena_t *

a

)

Definition at line 329 of file memory_arena.c.

References dt_pthread_mutex_destroy(), dt_pthread_mutex_lock(), dt_pthread_mutex_unlock(), IS_NULL_PTR, and TRUE.

Referenced by dt_dev_pixelpipe_cache_cleanup().

dt_cache_arena_free()

void dt_cache_arena_free	(	dt_cache_arena_t *	a,
		void *	ptr,
		size_t	size
	)

Definition at line 157 of file memory_arena.c.

References _arena_log, dt_cache_arena_calc(), dt_pthread_mutex_lock(), dt_pthread_mutex_unlock(), i, IS_NULL_PTR, dt_free_run_t::length, pages, size, and dt_free_run_t::start.

Referenced by _free_cache_entry(), dt_cache_arena_alloc(), and dt_pixelpipe_cache_alloc_align_cache_impl().

dt_cache_arena_init()

int dt_cache_arena_init	(	dt_cache_arena_t *	a,
		size_t	total_size
	)

Definition at line 357 of file memory_arena.c.

References dt_pthread_mutex_init(), FALSE, IS_NULL_PTR, pages, and dt_free_run_t::start.

Referenced by dt_dev_pixelpipe_cache_init().

dt_cache_arena_ptr_in()

gboolean dt_cache_arena_ptr_in	(	const dt_cache_arena_t *	a,
		const void *	ptr
	)

Definition at line 427 of file memory_arena.c.

References FALSE, and IS_NULL_PTR.

dt_cache_arena_stats()

void dt_cache_arena_stats	(	dt_cache_arena_t *	a,
		uint32_t *	out_total_free_pages,
		uint32_t *	out_largest_free_run_pages
	)

Definition at line 271 of file memory_arena.c.

References dt_pthread_mutex_lock(), dt_pthread_mutex_unlock(), i, IS_NULL_PTR, and r.

Referenced by _arena_alloc_with_defrag(), and _arena_stats_bytes().

dt_cache_arena_trim()

size_t dt_cache_arena_trim

(

dt_cache_arena_t *

a

)

Definition at line 294 of file memory_arena.c.

References _arena_log, dt_pthread_mutex_lock(), dt_pthread_mutex_unlock(), i, IS_NULL_PTR, r, and size.

Referenced by _memory_pressure_shedder(), _pressure_shed(), _system_memory_pressure_valve(), and dt_dev_pixelpipe_cache_flush_old().