Add a new type of memory pool and factorize test code.

SVN revision: 36267
This commit is contained in:
Cedric BAIL 2008-09-26 15:27:46 +00:00
parent 8b33d245e6
commit 2acd11a39e
6 changed files with 319 additions and 87 deletions

View File

@ -126,7 +126,7 @@ EINA_CHECK_STATIC([chained-pool], [chained pool])
EINA_CHECK_STATIC([ememoa-fixed], [ememoa fixed])
EINA_CHECK_STATIC([ememoa-unknown], [ememoa unknown])
EINA_CHECK_STATIC([pass-through], [pass through])
EINA_CHECK_STATIC([fixed-bitmap], [fixed bitmap])
### Checks for libraries
@ -333,6 +333,7 @@ src/modules/mp/chained_pool/Makefile
src/modules/mp/ememoa_fixed/Makefile
src/modules/mp/ememoa_unknown/Makefile
src/modules/mp/pass_through/Makefile
src/modules/mp/fixed_bitmap/Makefile
src/tests/Makefile
])

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@ -83,6 +83,11 @@ Eina_Bool ememoa_fixed_init(void);
void ememoa_fixed_shutdown(void);
#endif
#ifdef EINA_STATIC_BUILD_FIXED_BITMAP
Eina_Bool fixed_bitmap_init(void);
void fixed_bitmap_shutdown(void);
#endif
/*============================================================================*
* Global *
*============================================================================*/

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@ -1,4 +1,4 @@
SUBDIRS = chained_pool ememoa_fixed pass_through ememoa_unknown
SUBDIRS = chained_pool ememoa_fixed pass_through ememoa_unknown fixed_bitmap
MAINTAINERCLEANFILES = \
Makefile.in

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@ -0,0 +1,24 @@
MAINTAINERCLEANFILES = Makefile.in
AM_CPPFLAGS = \
-I. \
-I$(top_srcdir)/src/include \
@COVERAGE_CFLAGS@
if !EINA_STATIC_BUILD_FIXED_BITMAP
controllerdir = $(libdir)/eina/mp/
controller_LTLIBRARIES = eina_fixed_bitmap.la
eina_fixed_bitmap_la_SOURCES = \
eina_fixed_bitmap.c
eina_fixed_bitmap_la_LIBADD = $(top_builddir)/src/lib/libeina.la @COVERAGE_LIBS@
eina_fixed_bitmap_la_LDFLAGS = -no-undefined @lt_enable_auto_import@ -module -avoid-version
eina_fixed_bitmap_la_LIBTOOLFLAGS = --tag=disable-static
eina_fixed_bitmap_la_DEPENDENCIES = $(top_builddir)/src/lib/libeina.la
endif
clean-local:
rm -rf *.gcno

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@ -0,0 +1,234 @@
/*
* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
*/
/* EINA - EFL data type library
* Copyright (C) 2008 Cedric BAIL
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library;
* if not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdint.h>
#include <string.h>
#include <assert.h>
#include "eina_inlist.h"
#include "eina_rbtree.h"
#include "eina_error.h"
#include "eina_mempool.h"
#include "eina_private.h"
typedef struct _Eina_Fixed_Bitmap Eina_Fixed_Bitmap;
typedef struct _Eina_Fixed_Bitmap_Pool Eina_Fixed_Bitmap_Pool;
struct _Eina_Fixed_Bitmap
{
Eina_Rbtree *lookup;
Eina_Inlist *head;
int item_size;
};
struct _Eina_Fixed_Bitmap_Pool
{
EINA_RBTREE;
EINA_INLIST;
uint32_t bitmask;
};
static inline int
_eina_rbtree_inlist_delta(void)
{
Eina_Fixed_Bitmap_Pool tmp;
void *a = &tmp.__rbtree;
void *b = &tmp.__in_list;
return a - b;
}
static Eina_Rbtree_Direction
_eina_fixed_cmp(const Eina_Rbtree *left, const Eina_Rbtree *right, __UNUSED__ void *data)
{
if (left - right < 0)
return EINA_RBTREE_LEFT;
return EINA_RBTREE_RIGHT;
}
static int
_eina_fixed_cmp_key(const Eina_Rbtree *node, const void *key, __UNUSED__ int length, Eina_Fixed_Bitmap *mp)
{
const void *a = node;
const void *b = key;
int delta;
int limit;
limit = sizeof (Eina_Fixed_Bitmap_Pool) + mp->item_size * 32;
delta = a - b;
if (delta > 0)
return 1;
if (delta + limit < 0)
return -1;
return 0;
}
static void
_eina_fixed_bitmap_pool_free(Eina_Fixed_Bitmap_Pool *pool, __UNUSED__ void *data)
{
free(pool);
}
static void *
eina_fixed_bitmap_malloc(void *data, __UNUSED__ unsigned int size)
{
Eina_Fixed_Bitmap *mp = data;
Eina_Fixed_Bitmap_Pool *pool;
void *ptr;
int index;
if (mp->head)
{
pool = (Eina_Fixed_Bitmap_Pool*) ((unsigned char*) mp->head + _eina_rbtree_inlist_delta());
if (pool->bitmask == 0) pool = NULL;
}
if (!pool)
{
eina_error_set(0);
pool = malloc(sizeof (Eina_Fixed_Bitmap_Pool) + mp->item_size * 32);
if (!pool)
{
eina_error_set(EINA_ERROR_OUT_OF_MEMORY);
return NULL;
}
pool->bitmask = 0xFFFFFFFF;
mp->head = eina_inlist_prepend(mp->head, EINA_INLIST_GET(pool));
mp->lookup = eina_rbtree_inline_insert(mp->lookup, EINA_RBTREE_GET(pool), EINA_RBTREE_CMP_NODE_CB(_eina_fixed_cmp), NULL);
}
index = ffs(pool->bitmask) - 1;
pool->bitmask &= ~(1 << index);
ptr = (unsigned char*) (pool + 1) + index * mp->item_size;
if (pool->bitmask == 0)
{
mp->head = eina_inlist_remove(mp->head, EINA_INLIST_GET(pool));
mp->head = eina_inlist_append(mp->head, EINA_INLIST_GET(pool));
}
return ptr;
}
#include <stdio.h>
static void
eina_fixed_bitmap_free(void *data, void *ptr)
{
Eina_Fixed_Bitmap *mp = data;
Eina_Fixed_Bitmap_Pool *pool;
void *a;
Eina_Bool push_front = EINA_FALSE;
int delta;
pool = (Eina_Fixed_Bitmap_Pool*) eina_rbtree_inline_lookup(mp->lookup,
ptr, 0,
EINA_RBTREE_CMP_KEY_CB(_eina_fixed_cmp_key), mp);
if (!pool) return ;
if (pool->bitmask != 0xFFFFFFFF) push_front = EINA_TRUE;
a = pool;
delta = (ptr - a - sizeof (Eina_Fixed_Bitmap_Pool)) / mp->item_size;
assert(delta >= 0 && delta < 32);
pool->bitmask |= (1 << (delta & 0x1F));
if (pool->bitmask == 0xFFFFFFFF)
{
mp->head = eina_inlist_remove(mp->head, EINA_INLIST_GET(pool));
mp->lookup = eina_rbtree_inline_remove(mp->lookup, EINA_RBTREE_GET(pool), EINA_RBTREE_CMP_NODE_CB(_eina_fixed_cmp), NULL);
free(pool);
}
else if (push_front)
{
mp->head = eina_inlist_remove(mp->head, EINA_INLIST_GET(pool));
mp->head = eina_inlist_prepend(mp->head, EINA_INLIST_GET(pool));
}
}
static void *
eina_fixed_bitmap_realloc(__UNUSED__ void *data, __UNUSED__ void *element, __UNUSED__ unsigned int size)
{
return NULL;
}
static void*
eina_fixed_bitmap_init(__UNUSED__ const char *context, __UNUSED__ const char *option, va_list args)
{
Eina_Fixed_Bitmap *mp;
mp = malloc(sizeof (Eina_Fixed_Bitmap));
if (!mp) return NULL;
mp->item_size = va_arg(args, int);
mp->lookup = NULL;
mp->head = NULL;
return mp;
}
static void
eina_fixed_bitmap_shutdown(void *data)
{
Eina_Fixed_Bitmap *mp = data;
eina_rbtree_delete(mp->lookup, EINA_RBTREE_FREE_CB(_eina_fixed_bitmap_pool_free), NULL);
free(mp);
}
static Eina_Mempool_Backend mp_backend = {
.name ="fixed_bitmap",
.init = &eina_fixed_bitmap_init,
.shutdown = &eina_fixed_bitmap_shutdown,
.realloc = &eina_fixed_bitmap_realloc,
.alloc = &eina_fixed_bitmap_malloc,
.free = &eina_fixed_bitmap_free
};
Eina_Bool fixed_bitmap_init(void)
{
return eina_mempool_register(&mp_backend);
}
void fixed_bitmap_shutdown(void)
{
eina_mempool_unregister(&mp_backend);
}
#ifndef EINA_STATIC_BUILD_FIXED_BITMAP
EINA_MODULE_INIT(fixed_bitmap_init);
EINA_MODULE_SHUTDOWN(fixed_bitmap_shutdown);
#endif /* ! EINA_STATIC_BUILD_FIXED_BITMAP */

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@ -25,7 +25,8 @@
static Eina_List *_modules;
static void _mempool_init(void)
static void
_mempool_init(void)
{
eina_mempool_init();
/* force modules to be loaded in case they are not installed */
@ -33,13 +34,49 @@ static void _mempool_init(void)
eina_module_list_load(_modules);
}
static void _mempool_shutdown(void)
static void
_mempool_shutdown(void)
{
eina_module_list_delete(_modules);
/* TODO delete the list */
eina_mempool_shutdown();
}
static void
_eina_mempool_test(Eina_Mempool *mp, Eina_Bool with_realloc, Eina_Bool with_gc)
{
int *tbl[512];
int i;
fail_if(!mp);
for (i = 0; i < 512; ++i)
{
tbl[i] = eina_mempool_alloc(mp, sizeof (int));
fail_if(!tbl[i]);
*tbl[i] = i;
}
for (i = 0; i < 512; ++i)
fail_if(*tbl[i] != i);
for (i = 0; i < 256; ++i)
eina_mempool_free(mp, tbl[i]);
if (with_realloc)
fail_if(eina_mempool_realloc(mp, tbl[500], 25) == NULL);
else
fail_if(eina_mempool_realloc(mp, tbl[500], 25) != NULL);
if (with_gc)
{
eina_mempool_gc(mp);
eina_mempool_statistics(mp);
}
eina_mempool_delete(mp);
}
START_TEST(eina_mempool_init_shutdown)
{
Eina_Mempool *mp;
@ -56,30 +93,11 @@ END_TEST
START_TEST(eina_mempool_chained_mempool)
{
Eina_Mempool *mp;
int *tbl[512];
int i;
_mempool_init();
mp = eina_mempool_new("chained_mempool", "test", NULL, sizeof (int), 256);
fail_if(!mp);
for (i = 0; i < 512; ++i)
{
tbl[i] = eina_mempool_alloc(mp, sizeof (int));
fail_if(!tbl[i]);
*tbl[i] = i;
}
for (i = 0; i < 512; ++i)
fail_if(*tbl[i] != i);
for (i = 0; i < 256; ++i)
eina_mempool_free(mp, tbl[i]);
fail_if(eina_mempool_realloc(mp, tbl[500], 25) != NULL);
eina_mempool_delete(mp);
_eina_mempool_test(mp, EINA_FALSE, EINA_FALSE);
_mempool_shutdown();
}
@ -88,30 +106,24 @@ END_TEST
START_TEST(eina_mempool_pass_through)
{
Eina_Mempool *mp;
int *tbl[512];
int i;
_mempool_init();
mp = eina_mempool_new("pass_through", "test", NULL, sizeof (int), 8, 0);
fail_if(!mp);
_eina_mempool_test(mp, EINA_TRUE, EINA_FALSE);
for (i = 0; i < 512; ++i)
{
tbl[i] = eina_mempool_alloc(mp, sizeof (int));
fail_if(!tbl[i]);
*tbl[i] = i;
}
_mempool_shutdown();
}
END_TEST
for (i = 0; i < 512; ++i)
fail_if(*tbl[i] != i);
START_TEST(eina_mempool_fixed_bitmap)
{
Eina_Mempool *mp;
for (i = 0; i < 256; ++i)
eina_mempool_free(mp, tbl[i]);
_mempool_init();
fail_if(eina_mempool_realloc(mp, tbl[500], 25) == NULL);
eina_mempool_delete(mp);
mp = eina_mempool_new("fixed_bitmap", "test", NULL, sizeof (int));
_eina_mempool_test(mp, EINA_FALSE, EINA_FALSE);
_mempool_shutdown();
}
@ -121,33 +133,11 @@ END_TEST
START_TEST(eina_mempool_ememoa_fixed)
{
Eina_Mempool *mp;
int *tbl[512];
int i;
_mempool_init();
mp = eina_mempool_new("ememoa_fixed", "test", NULL, sizeof (int), 8, 0);
fail_if(!mp);
for (i = 0; i < 512; ++i)
{
tbl[i] = eina_mempool_alloc(mp, sizeof (int));
fail_if(!tbl[i]);
*tbl[i] = i;
}
for (i = 0; i < 512; ++i)
fail_if(*tbl[i] != i);
for (i = 0; i < 256; ++i)
eina_mempool_free(mp, tbl[i]);
fail_if(eina_mempool_realloc(mp, tbl[500], 25) != NULL);
eina_mempool_gc(mp);
eina_mempool_statistics(mp);
eina_mempool_delete(mp);
_eina_mempool_test(mp, EINA_FALSE, EINA_TRUE);
_mempool_shutdown();
}
@ -156,34 +146,11 @@ END_TEST
START_TEST(eina_mempool_ememoa_unknown)
{
Eina_Mempool *mp;
int *tbl[512];
int i;
_mempool_init();
mp = eina_mempool_new("ememoa_unknown", "test", NULL, 0, 2, sizeof (int), 8, sizeof (int) * 2, 8);
fail_if(!mp);
for (i = 0; i < 512; ++i)
{
tbl[i] = eina_mempool_alloc(mp, sizeof (int));
fail_if(!tbl[i]);
*tbl[i] = i;
}
for (i = 0; i < 512; ++i)
fail_if(*tbl[i] != i);
for (i = 0; i < 256; ++i)
eina_mempool_free(mp, tbl[i]);
for (i = 256; i < 512; ++i)
tbl[i] = eina_mempool_realloc(mp, tbl[i], 2 * sizeof (int));
eina_mempool_gc(mp);
eina_mempool_statistics(mp);
eina_mempool_delete(mp);
_eina_mempool_test(mp, EINA_TRUE, EINA_TRUE);
_mempool_shutdown();
}
@ -196,6 +163,7 @@ eina_test_mempool(TCase *tc)
tcase_add_test(tc, eina_mempool_init_shutdown);
tcase_add_test(tc, eina_mempool_chained_mempool);
tcase_add_test(tc, eina_mempool_pass_through);
tcase_add_test(tc, eina_mempool_fixed_bitmap);
#ifdef EINA_EMEMOA_SUPPORT
tcase_add_test(tc, eina_mempool_ememoa_fixed);
tcase_add_test(tc, eina_mempool_ememoa_unknown);