From 0ab91b901299ac41e3867ebec7e04e5082a4c8b4 Mon Sep 17 00:00:00 2001 From: Igor Sysoev Date: Sun, 6 Jun 2004 19:49:18 +0000 Subject: nginx-0.0.3-2004-06-06-23:49:18 import --- src/core/ngx_palloc.h | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 src/core/ngx_palloc.h (limited to 'src/core/ngx_palloc.h') diff --git a/src/core/ngx_palloc.h b/src/core/ngx_palloc.h new file mode 100644 index 000000000..7774d356c --- /dev/null +++ b/src/core/ngx_palloc.h @@ -0,0 +1,51 @@ +#ifndef _NGX_PALLOC_H_INCLUDED_ +#define _NGX_PALLOC_H_INCLUDED_ + + +#include +#include + + +/* + * NGX_MAX_ALLOC_FROM_POOL should be (ngx_page_size - 1), i.e. 4095 on x86. + * On FreeBSD 5.x it allows to use zero copy send. + * On Windows NT it decreases a number of locked pages in a kernel. + */ +#define NGX_MAX_ALLOC_FROM_POOL (ngx_pagesize - 1) + +#define NGX_DEFAULT_POOL_SIZE (16 * 1024) + +#define ngx_test_null(p, alloc, rc) if ((p = alloc) == NULL) { return rc; } + + +typedef struct ngx_pool_large_s ngx_pool_large_t; + +struct ngx_pool_large_s { + ngx_pool_large_t *next; + void *alloc; +}; + + +typedef struct ngx_pool_s ngx_pool_t; + +struct ngx_pool_s { + char *last; + char *end; + ngx_pool_t *next; + ngx_pool_large_t *large; + ngx_log_t *log; +}; + + +void *ngx_alloc(size_t size, ngx_log_t *log); +void *ngx_calloc(size_t size, ngx_log_t *log); + +ngx_pool_t *ngx_create_pool(size_t size, ngx_log_t *log); +void ngx_destroy_pool(ngx_pool_t *pool); + +void *ngx_palloc(ngx_pool_t *pool, size_t size); +void *ngx_pcalloc(ngx_pool_t *pool, size_t size); +void ngx_pfree(ngx_pool_t *pool, void *p); + + +#endif /* _NGX_PALLOC_H_INCLUDED_ */ -- cgit v1.2.3