nginx/src/core/ngx_slab.h

46 lines
780 B
C
Raw Normal View History

/*
* Copyright (C) Igor Sysoev
*/
2004-06-17 03:36:07 +08:00
#ifndef _NGX_SLAB_H_INCLUDED_
#define _NGX_SLAB_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
2006-11-20 16:51:45 +08:00
typedef struct ngx_slab_page_s ngx_slab_page_t;
2004-06-17 03:36:07 +08:00
2006-11-20 16:51:45 +08:00
struct ngx_slab_page_s {
uintptr_t slab;
ngx_slab_page_t *next;
uintptr_t prev;
2004-06-17 03:36:07 +08:00
};
typedef struct {
2006-11-20 16:51:45 +08:00
ngx_atomic_t lock;
size_t min_size;
size_t min_shift;
2004-06-17 03:36:07 +08:00
2006-11-20 16:51:45 +08:00
ngx_slab_page_t *pages;
ngx_slab_page_t free;
2004-06-17 03:36:07 +08:00
2006-11-20 16:51:45 +08:00
u_char *start;
u_char *end;
ngx_shmtx_t mutex;
2004-06-17 03:36:07 +08:00
} ngx_slab_pool_t;
2006-11-20 16:51:45 +08:00
void ngx_slab_init(ngx_slab_pool_t *pool);
void *ngx_slab_alloc(ngx_slab_pool_t *pool, size_t size);
void ngx_slab_free(ngx_slab_pool_t *pool, void *p);
2004-06-17 03:36:07 +08:00
#endif /* _NGX_SLAB_H_INCLUDED_ */