2008-07-30 06:35:49 -07:00
|
|
|
#include "eina_mempool.h"
|
|
|
|
#include "eina_list.h"
|
|
|
|
#include "eina_module.h"
|
2008-07-30 05:46:55 -07:00
|
|
|
#include "eina_private.h"
|
|
|
|
/*============================================================================*
|
|
|
|
* Local *
|
|
|
|
*============================================================================*/
|
|
|
|
static Eina_List *_modules;
|
|
|
|
static int _init_count = 0;
|
|
|
|
|
|
|
|
struct _Eina_Mempool
|
|
|
|
{
|
|
|
|
#ifdef DEBUG
|
|
|
|
unsigned int magic;
|
|
|
|
#endif
|
|
|
|
Eina_Module *module;
|
|
|
|
Eina_Mempool_Backend *backend;
|
|
|
|
void *backend_data;
|
|
|
|
};
|
|
|
|
static Eina_Mempool * _new_from_buffer(const char *name, void *buffer,
|
|
|
|
unsigned int size, const char *options, va_list args)
|
|
|
|
{
|
|
|
|
Eina_List *l;
|
|
|
|
|
|
|
|
/* load the module with filename == name */
|
|
|
|
for (l = _modules; l; l = eina_list_next(l))
|
|
|
|
{
|
|
|
|
Eina_Module *m;
|
|
|
|
|
|
|
|
m = eina_list_data(l);
|
|
|
|
/* check if the requested module name exists */
|
|
|
|
if (!strncmp(eina_module_name_get(m), name, strlen(name)))
|
|
|
|
{
|
|
|
|
Eina_Mempool *mp;
|
|
|
|
|
|
|
|
mp = malloc(sizeof(Eina_Mempool));
|
|
|
|
eina_module_load(m);
|
|
|
|
mp->module = m;
|
|
|
|
mp->backend = eina_module_symbol_get(m, "mp_backend");
|
|
|
|
mp->backend_data = mp->backend->init(buffer, size, options, args);
|
|
|
|
|
|
|
|
return mp;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
/*============================================================================*
|
|
|
|
* API *
|
|
|
|
*============================================================================*/
|
|
|
|
/**
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
EAPI int eina_mempool_init(void)
|
|
|
|
{
|
|
|
|
if (!_init_count)
|
|
|
|
{
|
|
|
|
_modules = eina_module_list_get("/usr/local/lib/eina/mm_policies", 0, NULL, NULL);
|
|
|
|
}
|
|
|
|
/* get all the modules */
|
|
|
|
return ++_init_count;
|
|
|
|
}
|
|
|
|
/**
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
EAPI int eina_mempool_shutdown(void)
|
|
|
|
{
|
|
|
|
if (!_init_count)
|
|
|
|
return _init_count;
|
|
|
|
_init_count--;
|
|
|
|
if (!_init_count)
|
|
|
|
{
|
|
|
|
/* remove the list of modules */
|
|
|
|
eina_module_list_free(_modules);
|
|
|
|
}
|
|
|
|
return _init_count;
|
|
|
|
}
|
|
|
|
/**
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
EAPI Eina_Mempool * eina_mempool_new_from_buffer(const char *name, void *buffer,
|
|
|
|
unsigned int size, const char *options, ...)
|
|
|
|
{
|
|
|
|
Eina_Mempool *mp;
|
|
|
|
va_list args;
|
|
|
|
|
|
|
|
assert(name);
|
|
|
|
assert(buffer);
|
|
|
|
|
|
|
|
va_start(args, options);
|
|
|
|
mp = _new_from_buffer(name, buffer, size, options, args);
|
|
|
|
va_end(args);
|
|
|
|
|
|
|
|
return mp;
|
|
|
|
}
|
|
|
|
/**
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
EAPI Eina_Mempool * eina_mempool_new(const char *name, unsigned int size, const char
|
|
|
|
*options, ...)
|
|
|
|
{
|
|
|
|
Eina_Mempool *mp;
|
|
|
|
void *buffer;
|
|
|
|
va_list args;
|
|
|
|
|
|
|
|
assert(name);
|
|
|
|
|
|
|
|
buffer = malloc(sizeof(char) * size);
|
|
|
|
va_start(args, options);
|
|
|
|
mp = _new_from_buffer(name, buffer, size, options, args);
|
|
|
|
va_end(args);
|
|
|
|
|
|
|
|
return mp;
|
|
|
|
}
|
|
|
|
/**
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
EAPI void eina_mempool_delete(Eina_Mempool *mp)
|
|
|
|
{
|
|
|
|
Eina_List *l;
|
|
|
|
|
|
|
|
assert(mp);
|
|
|
|
|
|
|
|
mp->backend->shutdown(mp->backend_data);
|
|
|
|
eina_module_unload(mp->module);
|
|
|
|
free(mp);
|
|
|
|
}
|
|
|
|
/**
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
EAPI void * eina_mempool_realloc(Eina_Mempool *mp, void *element, unsigned int size)
|
|
|
|
{
|
|
|
|
|
|
|
|
}
|
|
|
|
/**
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
EAPI void * eina_mempool_alloc(Eina_Mempool *mp, unsigned int size)
|
|
|
|
{
|
|
|
|
assert(mp);
|
|
|
|
assert(mp->backend->alloc);
|
|
|
|
|
|
|
|
return mp->backend->alloc(mp->backend_data, size);
|
|
|
|
}
|
|
|
|
/**
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
EAPI void eina_mempool_free(Eina_Mempool *mp, void *element)
|
|
|
|
{
|
|
|
|
assert(mp);
|
|
|
|
assert(mp->backend->free);
|
|
|
|
|
|
|
|
mp->backend->free(mp->backend_data, element);
|
|
|
|
}
|