mirror of https://github.com/nodejs/node.git
149 lines
7.9 KiB
C
149 lines
7.9 KiB
C
/*
|
|
* nghttp3
|
|
*
|
|
* Copyright (c) 2022 nghttp3 contributors
|
|
* Copyright (c) 2022 ngtcp2 contributors
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
#ifndef NGHTTP3_OBJALLOC_H
|
|
#define NGHTTP3_OBJALLOC_H
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif /* HAVE_CONFIG_H */
|
|
|
|
#include <nghttp3/nghttp3.h>
|
|
|
|
#include "nghttp3_balloc.h"
|
|
#include "nghttp3_opl.h"
|
|
#include "nghttp3_macro.h"
|
|
#include "nghttp3_mem.h"
|
|
|
|
/*
|
|
* nghttp3_objalloc combines nghttp3_balloc and nghttp3_opl, and
|
|
* provides an object pool with the custom allocator to reduce the
|
|
* allocation and deallocation overheads for small objects.
|
|
*/
|
|
typedef struct nghttp3_objalloc {
|
|
nghttp3_balloc balloc;
|
|
nghttp3_opl opl;
|
|
} nghttp3_objalloc;
|
|
|
|
/*
|
|
* nghttp3_objalloc_init initializes |objalloc|. |blklen| is directly
|
|
* passed to nghttp3_balloc_init.
|
|
*/
|
|
void nghttp3_objalloc_init(nghttp3_objalloc *objalloc, size_t blklen,
|
|
const nghttp3_mem *mem);
|
|
|
|
/*
|
|
* nghttp3_objalloc_free releases all allocated resources.
|
|
*/
|
|
void nghttp3_objalloc_free(nghttp3_objalloc *objalloc);
|
|
|
|
/*
|
|
* nghttp3_objalloc_clear releases all allocated resources and
|
|
* initializes its state.
|
|
*/
|
|
void nghttp3_objalloc_clear(nghttp3_objalloc *objalloc);
|
|
|
|
#ifndef NOMEMPOOL
|
|
# define nghttp3_objalloc_decl(NAME, TYPE, OPLENTFIELD) \
|
|
inline static void nghttp3_objalloc_##NAME##_init( \
|
|
nghttp3_objalloc *objalloc, size_t nmemb, const nghttp3_mem *mem) { \
|
|
nghttp3_objalloc_init( \
|
|
objalloc, ((sizeof(TYPE) + 0xfu) & ~(uintptr_t)0xfu) * nmemb, mem); \
|
|
} \
|
|
\
|
|
TYPE *nghttp3_objalloc_##NAME##_get(nghttp3_objalloc *objalloc); \
|
|
\
|
|
TYPE *nghttp3_objalloc_##NAME##_len_get(nghttp3_objalloc *objalloc, \
|
|
size_t len); \
|
|
\
|
|
inline static void nghttp3_objalloc_##NAME##_release( \
|
|
nghttp3_objalloc *objalloc, TYPE *obj) { \
|
|
nghttp3_opl_push(&objalloc->opl, &obj->OPLENTFIELD); \
|
|
}
|
|
|
|
# define nghttp3_objalloc_def(NAME, TYPE, OPLENTFIELD) \
|
|
TYPE *nghttp3_objalloc_##NAME##_get(nghttp3_objalloc *objalloc) { \
|
|
nghttp3_opl_entry *oplent = nghttp3_opl_pop(&objalloc->opl); \
|
|
TYPE *obj; \
|
|
int rv; \
|
|
\
|
|
if (!oplent) { \
|
|
rv = nghttp3_balloc_get(&objalloc->balloc, (void **)&obj, \
|
|
sizeof(TYPE)); \
|
|
if (rv != 0) { \
|
|
return NULL; \
|
|
} \
|
|
\
|
|
return obj; \
|
|
} \
|
|
\
|
|
return nghttp3_struct_of(oplent, TYPE, OPLENTFIELD); \
|
|
} \
|
|
\
|
|
TYPE *nghttp3_objalloc_##NAME##_len_get(nghttp3_objalloc *objalloc, \
|
|
size_t len) { \
|
|
nghttp3_opl_entry *oplent = nghttp3_opl_pop(&objalloc->opl); \
|
|
TYPE *obj; \
|
|
int rv; \
|
|
\
|
|
if (!oplent) { \
|
|
rv = nghttp3_balloc_get(&objalloc->balloc, (void **)&obj, len); \
|
|
if (rv != 0) { \
|
|
return NULL; \
|
|
} \
|
|
\
|
|
return obj; \
|
|
} \
|
|
\
|
|
return nghttp3_struct_of(oplent, TYPE, OPLENTFIELD); \
|
|
}
|
|
#else /* NOMEMPOOL */
|
|
# define nghttp3_objalloc_decl(NAME, TYPE, OPLENTFIELD) \
|
|
inline static void nghttp3_objalloc_##NAME##_init( \
|
|
nghttp3_objalloc *objalloc, size_t nmemb, const nghttp3_mem *mem) { \
|
|
nghttp3_objalloc_init( \
|
|
objalloc, ((sizeof(TYPE) + 0xfu) & ~(uintptr_t)0xfu) * nmemb, mem); \
|
|
} \
|
|
\
|
|
inline static TYPE *nghttp3_objalloc_##NAME##_get( \
|
|
nghttp3_objalloc *objalloc) { \
|
|
return nghttp3_mem_malloc(objalloc->balloc.mem, sizeof(TYPE)); \
|
|
} \
|
|
\
|
|
inline static TYPE *nghttp3_objalloc_##NAME##_len_get( \
|
|
nghttp3_objalloc *objalloc, size_t len) { \
|
|
return nghttp3_mem_malloc(objalloc->balloc.mem, len); \
|
|
} \
|
|
\
|
|
inline static void nghttp3_objalloc_##NAME##_release( \
|
|
nghttp3_objalloc *objalloc, TYPE *obj) { \
|
|
nghttp3_mem_free(objalloc->balloc.mem, obj); \
|
|
}
|
|
|
|
# define nghttp3_objalloc_def(NAME, TYPE, OPLENTFIELD)
|
|
#endif /* NOMEMPOOL */
|
|
|
|
#endif /* NGHTTP3_OBJALLOC_H */
|