mirror of
https://github.com/nginx/nginx.git
synced 2024-12-15 13:28:59 +08:00
60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
|
|
/*
|
|
* Copyright (C) Igor Sysoev
|
|
* Copyright (C) Nginx, Inc.
|
|
*/
|
|
|
|
|
|
#ifndef _NGX_SLAB_H_INCLUDED_
|
|
#define _NGX_SLAB_H_INCLUDED_
|
|
|
|
|
|
#include <ngx_config.h>
|
|
#include <ngx_core.h>
|
|
|
|
|
|
typedef struct ngx_slab_page_s ngx_slab_page_t;
|
|
|
|
struct ngx_slab_page_s {
|
|
uintptr_t slab;
|
|
ngx_slab_page_t *next;
|
|
uintptr_t prev;
|
|
};
|
|
|
|
|
|
typedef struct {
|
|
ngx_shmtx_sh_t lock;
|
|
|
|
size_t min_size;
|
|
size_t min_shift;
|
|
|
|
ngx_slab_page_t *pages;
|
|
ngx_slab_page_t *last;
|
|
ngx_slab_page_t free;
|
|
|
|
u_char *start;
|
|
u_char *end;
|
|
|
|
ngx_shmtx_t mutex;
|
|
|
|
u_char *log_ctx;
|
|
u_char zero;
|
|
|
|
unsigned log_nomem:1;
|
|
|
|
void *data;
|
|
void *addr;
|
|
} ngx_slab_pool_t;
|
|
|
|
|
|
void ngx_slab_init(ngx_slab_pool_t *pool);
|
|
void *ngx_slab_alloc(ngx_slab_pool_t *pool, size_t size);
|
|
void *ngx_slab_alloc_locked(ngx_slab_pool_t *pool, size_t size);
|
|
void *ngx_slab_calloc(ngx_slab_pool_t *pool, size_t size);
|
|
void *ngx_slab_calloc_locked(ngx_slab_pool_t *pool, size_t size);
|
|
void ngx_slab_free(ngx_slab_pool_t *pool, void *p);
|
|
void ngx_slab_free_locked(ngx_slab_pool_t *pool, void *p);
|
|
|
|
|
|
#endif /* _NGX_SLAB_H_INCLUDED_ */
|