added pooled memory allocator taking code from tre for tre porting
This commit is contained in:
parent
483ce8b5bb
commit
bc941f10db
@ -16,6 +16,7 @@ pkginclude_HEADERS = \
|
||||
oht.h \
|
||||
opt.h \
|
||||
pio.h \
|
||||
pma.h \
|
||||
rbt.h \
|
||||
rex.h \
|
||||
sio.h \
|
||||
|
||||
@ -51,9 +51,9 @@ CONFIG_CLEAN_VPATH_FILES =
|
||||
SOURCES =
|
||||
DIST_SOURCES =
|
||||
am__pkginclude_HEADERS_DIST = alg.h chr.h dll.h fio.h fma.h gdl.h \
|
||||
htb.h lda.h main.h map.h mem.h misc.h oht.h opt.h pio.h rbt.h \
|
||||
rex.h sio.h sll.h stdio.h str.h time.h tio.h xma.h Mmgr.hpp \
|
||||
StdMmgr.hpp Mmged.hpp
|
||||
htb.h lda.h main.h map.h mem.h misc.h oht.h opt.h pio.h pma.h \
|
||||
rbt.h rex.h sio.h sll.h stdio.h str.h time.h tio.h xma.h \
|
||||
Mmgr.hpp StdMmgr.hpp Mmged.hpp
|
||||
am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
|
||||
am__vpath_adj = case $$p in \
|
||||
$(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
|
||||
@ -219,8 +219,8 @@ top_build_prefix = @top_build_prefix@
|
||||
top_builddir = @top_builddir@
|
||||
top_srcdir = @top_srcdir@
|
||||
pkginclude_HEADERS = alg.h chr.h dll.h fio.h fma.h gdl.h htb.h lda.h \
|
||||
main.h map.h mem.h misc.h oht.h opt.h pio.h rbt.h rex.h sio.h \
|
||||
sll.h stdio.h str.h time.h tio.h xma.h $(am__append_1)
|
||||
main.h map.h mem.h misc.h oht.h opt.h pio.h pma.h rbt.h rex.h \
|
||||
sio.h sll.h stdio.h str.h time.h tio.h xma.h $(am__append_1)
|
||||
all: all-am
|
||||
|
||||
.SUFFIXES:
|
||||
|
||||
100
qse/include/qse/cmn/pma.h
Normal file
100
qse/include/qse/cmn/pma.h
Normal file
@ -0,0 +1,100 @@
|
||||
/*
|
||||
* $Id$
|
||||
*
|
||||
Copyright 2006-2011 Chung, Hyung-Hwan.
|
||||
This file is part of QSE.
|
||||
|
||||
QSE 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 3 of
|
||||
the License, or (at your option) any later version.
|
||||
|
||||
QSE 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 QSE. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/*
|
||||
tre-mem.h - TRE memory allocator interface
|
||||
|
||||
This software is released under a BSD-style license.
|
||||
See the file LICENSE for details and copyright.
|
||||
|
||||
*/
|
||||
|
||||
#ifndef _QSE_CMN_PMA_H_
|
||||
#define _QSE_CMN_PMA_H_
|
||||
|
||||
#include <qse/types.h>
|
||||
#include <qse/macros.h>
|
||||
|
||||
#define QSE_PMA_BLOCK_SIZE 1024
|
||||
|
||||
typedef struct qse_pma_blk_t qse_pma_blk_t;
|
||||
|
||||
struct qse_pma_blk_t
|
||||
{
|
||||
void *data;
|
||||
qse_pma_blk_t* next;
|
||||
};
|
||||
|
||||
typedef struct qse_pma_t qse_pma_t;
|
||||
|
||||
struct qse_pma_t
|
||||
{
|
||||
QSE_DEFINE_COMMON_FIELDS (pma)
|
||||
|
||||
qse_pma_blk_t* blocks;
|
||||
qse_pma_blk_t* current;
|
||||
|
||||
char *ptr;
|
||||
qse_size_t n;
|
||||
int failed;
|
||||
};
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
QSE_DEFINE_COMMON_FUNCTIONS (pma)
|
||||
|
||||
qse_pma_t* qse_pma_open (
|
||||
qse_mmgr_t* mmgr, /**< memory manager */
|
||||
qse_size_t xtnsize /**< extension size in bytes */
|
||||
);
|
||||
|
||||
void qse_pma_close (
|
||||
qse_pma_t* pma /**< memory allocator */
|
||||
);
|
||||
|
||||
qse_pma_t* qse_pma_init (
|
||||
qse_pma_t* pma, /**< memory allocator */
|
||||
qse_mmgr_t* mmgr /**< memory manager */
|
||||
);
|
||||
|
||||
void qse_pma_fini (
|
||||
qse_pma_t* pma /**< memory allocator */
|
||||
);
|
||||
|
||||
|
||||
void* qse_pma_alloc (
|
||||
qse_pma_t* pma,
|
||||
qse_size_t size
|
||||
);
|
||||
|
||||
void* qse_pma_realloc (
|
||||
qse_pma_t* pma, /**< memory allocator */
|
||||
void* blk, /**< memory block */
|
||||
qse_size_t size /**< new size in bytes */
|
||||
);
|
||||
|
||||
void qse_pma_free (
|
||||
qse_pma_t* pma, /**< memory allocator */
|
||||
void* blk /**< memory block */
|
||||
);
|
||||
|
||||
#endif
|
||||
@ -8,7 +8,7 @@ AM_CPPFLAGS = \
|
||||
lib_LTLIBRARIES = libqsecmn.la
|
||||
libqsecmn_la_SOURCES = \
|
||||
syscall.h mem.h \
|
||||
mem.c xma.c fma.c chr.c chr_cnv.c rex.c \
|
||||
mem.c xma.c fma.c pma.c chr.c chr_cnv.c rex.c \
|
||||
str_beg.c str_cat.c str_chr.c str_cnv.c str_cmp.c str_cpy.c \
|
||||
str_del.c str_dup.c str_dynm.c str_dynw.c str_end.c str_excl.c \
|
||||
str_fcpy.c str_incl.c str_len.c str_pac.c str_pbrk.c str_put.c \
|
||||
|
||||
@ -72,16 +72,16 @@ am__base_list = \
|
||||
am__installdirs = "$(DESTDIR)$(libdir)"
|
||||
LTLIBRARIES = $(lib_LTLIBRARIES)
|
||||
libqsecmn_la_DEPENDENCIES =
|
||||
am_libqsecmn_la_OBJECTS = mem.lo xma.lo fma.lo chr.lo chr_cnv.lo \
|
||||
rex.lo str_beg.lo str_cat.lo str_chr.lo str_cnv.lo str_cmp.lo \
|
||||
str_cpy.lo str_del.lo str_dup.lo str_dynm.lo str_dynw.lo \
|
||||
str_end.lo str_excl.lo str_fcpy.lo str_incl.lo str_len.lo \
|
||||
str_pac.lo str_pbrk.lo str_put.lo str_rev.lo str_rot.lo \
|
||||
str_set.lo str_spl.lo str_spn.lo str_str.lo str_subst.lo \
|
||||
str_tok.lo str_trm.lo str_word.lo lda.lo oht.lo htb.lo rbt.lo \
|
||||
sll.lo gdl.lo dll.lo opt.lo tio.lo tio_get.lo tio_put.lo \
|
||||
fio.lo pio.lo sio.lo alg_search.lo alg_sort.lo time.lo misc.lo \
|
||||
assert.lo main.lo stdio.lo
|
||||
am_libqsecmn_la_OBJECTS = mem.lo xma.lo fma.lo pma.lo chr.lo \
|
||||
chr_cnv.lo rex.lo str_beg.lo str_cat.lo str_chr.lo str_cnv.lo \
|
||||
str_cmp.lo str_cpy.lo str_del.lo str_dup.lo str_dynm.lo \
|
||||
str_dynw.lo str_end.lo str_excl.lo str_fcpy.lo str_incl.lo \
|
||||
str_len.lo str_pac.lo str_pbrk.lo str_put.lo str_rev.lo \
|
||||
str_rot.lo str_set.lo str_spl.lo str_spn.lo str_str.lo \
|
||||
str_subst.lo str_tok.lo str_trm.lo str_word.lo lda.lo oht.lo \
|
||||
htb.lo rbt.lo sll.lo gdl.lo dll.lo opt.lo tio.lo tio_get.lo \
|
||||
tio_put.lo fio.lo pio.lo sio.lo alg_search.lo alg_sort.lo \
|
||||
time.lo misc.lo assert.lo main.lo stdio.lo
|
||||
libqsecmn_la_OBJECTS = $(am_libqsecmn_la_OBJECTS)
|
||||
libqsecmn_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
|
||||
$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
|
||||
@ -268,7 +268,7 @@ AM_CPPFLAGS = \
|
||||
lib_LTLIBRARIES = libqsecmn.la $(am__append_1)
|
||||
libqsecmn_la_SOURCES = \
|
||||
syscall.h mem.h \
|
||||
mem.c xma.c fma.c chr.c chr_cnv.c rex.c \
|
||||
mem.c xma.c fma.c pma.c chr.c chr_cnv.c rex.c \
|
||||
str_beg.c str_cat.c str_chr.c str_cnv.c str_cmp.c str_cpy.c \
|
||||
str_del.c str_dup.c str_dynm.c str_dynw.c str_end.c str_excl.c \
|
||||
str_fcpy.c str_incl.c str_len.c str_pac.c str_pbrk.c str_put.c \
|
||||
@ -386,6 +386,7 @@ distclean-compile:
|
||||
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/oht.Plo@am__quote@
|
||||
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/opt.Plo@am__quote@
|
||||
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pio.Plo@am__quote@
|
||||
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pma.Plo@am__quote@
|
||||
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/rbt.Plo@am__quote@
|
||||
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/rex.Plo@am__quote@
|
||||
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sio.Plo@am__quote@
|
||||
|
||||
151
qse/lib/cmn/pma.c
Normal file
151
qse/lib/cmn/pma.c
Normal file
@ -0,0 +1,151 @@
|
||||
/*
|
||||
* $Id$
|
||||
*
|
||||
Copyright 2006-2011 Chung, Hyung-Hwan.
|
||||
This file is part of QSE.
|
||||
|
||||
QSE 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 3 of
|
||||
the License, or (at your option) any later version.
|
||||
|
||||
QSE 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 QSE. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/*
|
||||
tre-mem.c - TRE memory allocator
|
||||
|
||||
This software is released under a BSD-style license.
|
||||
See the file LICENSE for details and copyright.
|
||||
*/
|
||||
|
||||
/*
|
||||
This memory allocator is for allocating small memory blocks efficiently
|
||||
in terms of memory overhead and execution speed. The allocated blocks
|
||||
cannot be freed individually, only all at once. There can be multiple
|
||||
allocators, though.
|
||||
*/
|
||||
|
||||
#include <qse/cmn/pma.h>
|
||||
#include "mem.h"
|
||||
|
||||
#define ALIGN(x,size) ((((x) + (size) - 1) / (size)) * (size))
|
||||
|
||||
QSE_IMPLEMENT_COMMON_FUNCTIONS (pma)
|
||||
|
||||
qse_pma_t* qse_pma_init (qse_pma_t* pma, qse_mmgr_t* mmgr)
|
||||
{
|
||||
if (mmgr == QSE_NULL) mmgr = QSE_MMGR_GETDFL();
|
||||
|
||||
QSE_MEMSET (pma, 0, QSE_SIZEOF(*pma));
|
||||
pma->mmgr = mmgr;
|
||||
|
||||
return pma;
|
||||
}
|
||||
|
||||
/* Frees the memory allocator and all memory allocated with it. */
|
||||
void qse_pma_fini (qse_pma_t* pma)
|
||||
{
|
||||
qse_pma_blk_t* tmp, * l = pma->blocks;
|
||||
|
||||
while (l != QSE_NULL)
|
||||
{
|
||||
QSE_MMGR_FREE (pma->mmgr, l->data);
|
||||
tmp = l->next;
|
||||
QSE_MMGR_FREE (pma->mmgr, l);
|
||||
l = tmp;
|
||||
}
|
||||
}
|
||||
|
||||
/* Returns a new memory allocator or NULL if out of memory. */
|
||||
qse_pma_t* qse_pma_open (qse_mmgr_t* mmgr, qse_size_t xtnsize)
|
||||
{
|
||||
qse_pma_t* pma;
|
||||
|
||||
pma = (qse_pma_t*)QSE_MMGR_ALLOC (mmgr, QSE_SIZEOF(*pma) + xtnsize);
|
||||
if (pma == QSE_NULL) return QSE_NULL;
|
||||
|
||||
if (qse_pma_init (pma, mmgr) == QSE_NULL)
|
||||
{
|
||||
QSE_MMGR_FREE (mmgr, pma);
|
||||
return QSE_NULL;
|
||||
}
|
||||
|
||||
return pma;
|
||||
}
|
||||
|
||||
void qse_pma_close (qse_pma_t* pma)
|
||||
{
|
||||
qse_pma_fini (pma);
|
||||
QSE_MMGR_FREE (pma->mmgr, pma);
|
||||
}
|
||||
|
||||
/* Allocates a block of `size' bytes from `mem'. Returns a pointer to the
|
||||
allocated block or NULL if an underlying malloc() failed. */
|
||||
void* qse_pma_alloc (qse_pma_t* pma, qse_size_t size)
|
||||
{
|
||||
void *ptr;
|
||||
|
||||
if (pma->failed) return QSE_NULL;
|
||||
|
||||
if (pma->n < size)
|
||||
{
|
||||
/* We need more memory than is available in the current block.
|
||||
Allocate a new block. */
|
||||
|
||||
qse_pma_blk_t* l;
|
||||
int block_size;
|
||||
if (size * 8 > QSE_PMA_BLOCK_SIZE)
|
||||
block_size = size * 8;
|
||||
else
|
||||
block_size = QSE_PMA_BLOCK_SIZE;
|
||||
|
||||
l = QSE_MMGR_ALLOC (pma->mmgr, QSE_SIZEOF(*l));
|
||||
if (l == QSE_NULL)
|
||||
{
|
||||
pma->failed = 1;
|
||||
return QSE_NULL;
|
||||
}
|
||||
l->data = QSE_MMGR_ALLOC (pma->mmgr, block_size);
|
||||
if (l->data == QSE_NULL)
|
||||
{
|
||||
QSE_MMGR_FREE (pma->mmgr, l);
|
||||
pma->failed = 1;
|
||||
return QSE_NULL;
|
||||
}
|
||||
l->next = QSE_NULL;
|
||||
if (pma->current != QSE_NULL) pma->current->next = l;
|
||||
if (pma->blocks == QSE_NULL) pma->blocks = l;
|
||||
pma->current = l;
|
||||
pma->ptr = l->data;
|
||||
pma->n = block_size;
|
||||
}
|
||||
|
||||
/* Make sure the next pointer will be aligned. */
|
||||
size += ALIGN((long)(pma->ptr + size), QSE_SIZEOF(long));
|
||||
|
||||
/* Allocate from current block. */
|
||||
ptr = pma->ptr;
|
||||
pma->ptr += size;
|
||||
pma->n -= size;
|
||||
|
||||
return ptr;
|
||||
}
|
||||
|
||||
void* qse_pma_realloc (qse_pma_t* pma, void* blk, qse_size_t size)
|
||||
{
|
||||
/* do nothing. you can't resize an individual memory chunk */
|
||||
return QSE_NULL;
|
||||
}
|
||||
|
||||
void qse_pma_free (qse_pma_t* pma, void* blk)
|
||||
{
|
||||
/* do nothing. you can't free an individual memory chunk */
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user